Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle

The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Hadała, Beata [verfasserIn] Cebo-Rudnicka, Agnieszka [verfasserIn] Radziszewska, Agnieszka [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Oxidized Armco iron plate cooling Water spray cooling Local heat transfer coefficient Local heat flux

Übergeordnetes Werk:	Enthalten in: International journal of heat and mass transfer - Amsterdam [u.a.] : Elsevier, 1960, 204
Übergeordnetes Werk:	volume:204

DOI / URN:	10.1016/j.ijheatmasstransfer.2023.123852

Katalog-ID:	ELV009161457

Internformat


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100	1		\|a Hadała, Beata \|e verfasserin \|4 aut
245	1	0	\|a Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle
264		1	\|c 2023
336			\|a nicht spezifiziert \|b zzz \|2 rdacontent
337			\|a Computermedien \|b c \|2 rdamedia
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520			\|a The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface.
650		4	\|a Oxidized Armco iron plate cooling
650		4	\|a Water spray cooling
650		4	\|a Local heat transfer coefficient
650		4	\|a Local heat flux
700	1		\|a Cebo-Rudnicka, Agnieszka \|e verfasserin \|0 (orcid)0000-0003-3614-4287 \|4 aut
700	1		\|a Radziszewska, Agnieszka \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t International journal of heat and mass transfer \|d Amsterdam [u.a.] : Elsevier, 1960 \|g 204 \|h Online-Ressource \|w (DE-627)320505081 \|w (DE-600)2012726-1 \|w (DE-576)096806575 \|x 1879-2189 \|7 nnns
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936	b	k	\|a 50.38 \|j Technische Thermodynamik
951			\|a AR
952			\|d 204

Indexfelder

author_variant	b h bh a c r acr a r ar
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bklnumber	50.38
publishDate	2023
allfields	10.1016/j.ijheatmasstransfer.2023.123852 doi (DE-627)ELV009161457 (ELSEVIER)S0017-9310(23)00008-X DE-627 ger DE-627 rda eng 620 DE-600 50.38 bkl Hadała, Beata verfasserin aut Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface. Oxidized Armco iron plate cooling Water spray cooling Local heat transfer coefficient Local heat flux Cebo-Rudnicka, Agnieszka verfasserin (orcid)0000-0003-3614-4287 aut Radziszewska, Agnieszka verfasserin aut Enthalten in International journal of heat and mass transfer Amsterdam [u.a.] : Elsevier, 1960 204 Online-Ressource (DE-627)320505081 (DE-600)2012726-1 (DE-576)096806575 1879-2189 nnns volume:204 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.38 Technische Thermodynamik AR 204
spelling	10.1016/j.ijheatmasstransfer.2023.123852 doi (DE-627)ELV009161457 (ELSEVIER)S0017-9310(23)00008-X DE-627 ger DE-627 rda eng 620 DE-600 50.38 bkl Hadała, Beata verfasserin aut Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface. Oxidized Armco iron plate cooling Water spray cooling Local heat transfer coefficient Local heat flux Cebo-Rudnicka, Agnieszka verfasserin (orcid)0000-0003-3614-4287 aut Radziszewska, Agnieszka verfasserin aut Enthalten in International journal of heat and mass transfer Amsterdam [u.a.] : Elsevier, 1960 204 Online-Ressource (DE-627)320505081 (DE-600)2012726-1 (DE-576)096806575 1879-2189 nnns volume:204 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.38 Technische Thermodynamik AR 204
allfields_unstemmed	10.1016/j.ijheatmasstransfer.2023.123852 doi (DE-627)ELV009161457 (ELSEVIER)S0017-9310(23)00008-X DE-627 ger DE-627 rda eng 620 DE-600 50.38 bkl Hadała, Beata verfasserin aut Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface. Oxidized Armco iron plate cooling Water spray cooling Local heat transfer coefficient Local heat flux Cebo-Rudnicka, Agnieszka verfasserin (orcid)0000-0003-3614-4287 aut Radziszewska, Agnieszka verfasserin aut Enthalten in International journal of heat and mass transfer Amsterdam [u.a.] : Elsevier, 1960 204 Online-Ressource (DE-627)320505081 (DE-600)2012726-1 (DE-576)096806575 1879-2189 nnns volume:204 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.38 Technische Thermodynamik AR 204
allfieldsGer	10.1016/j.ijheatmasstransfer.2023.123852 doi (DE-627)ELV009161457 (ELSEVIER)S0017-9310(23)00008-X DE-627 ger DE-627 rda eng 620 DE-600 50.38 bkl Hadała, Beata verfasserin aut Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface. Oxidized Armco iron plate cooling Water spray cooling Local heat transfer coefficient Local heat flux Cebo-Rudnicka, Agnieszka verfasserin (orcid)0000-0003-3614-4287 aut Radziszewska, Agnieszka verfasserin aut Enthalten in International journal of heat and mass transfer Amsterdam [u.a.] : Elsevier, 1960 204 Online-Ressource (DE-627)320505081 (DE-600)2012726-1 (DE-576)096806575 1879-2189 nnns volume:204 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.38 Technische Thermodynamik AR 204
allfieldsSound	10.1016/j.ijheatmasstransfer.2023.123852 doi (DE-627)ELV009161457 (ELSEVIER)S0017-9310(23)00008-X DE-627 ger DE-627 rda eng 620 DE-600 50.38 bkl Hadała, Beata verfasserin aut Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface. Oxidized Armco iron plate cooling Water spray cooling Local heat transfer coefficient Local heat flux Cebo-Rudnicka, Agnieszka verfasserin (orcid)0000-0003-3614-4287 aut Radziszewska, Agnieszka verfasserin aut Enthalten in International journal of heat and mass transfer Amsterdam [u.a.] : Elsevier, 1960 204 Online-Ressource (DE-627)320505081 (DE-600)2012726-1 (DE-576)096806575 1879-2189 nnns volume:204 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.38 Technische Thermodynamik AR 204
language	English
source	Enthalten in International journal of heat and mass transfer 204 volume:204
sourceStr	Enthalten in International journal of heat and mass transfer 204 volume:204
format_phy_str_mv	Article
bklname	Technische Thermodynamik
institution	findex.gbv.de
topic_facet	Oxidized Armco iron plate cooling Water spray cooling Local heat transfer coefficient Local heat flux
dewey-raw	620
isfreeaccess_bool	false
container_title	International journal of heat and mass transfer
authorswithroles_txt_mv	Hadała, Beata @@aut@@ Cebo-Rudnicka, Agnieszka @@aut@@ Radziszewska, Agnieszka @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	320505081
dewey-sort	3620
id	ELV009161457
language_de	englisch
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author	Hadała, Beata
spellingShingle	Hadała, Beata ddc 620 bkl 50.38 misc Oxidized Armco iron plate cooling misc Water spray cooling misc Local heat transfer coefficient misc Local heat flux Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle
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topic_title	620 DE-600 50.38 bkl Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle Oxidized Armco iron plate cooling Water spray cooling Local heat transfer coefficient Local heat flux
topic	ddc 620 bkl 50.38 misc Oxidized Armco iron plate cooling misc Water spray cooling misc Local heat transfer coefficient misc Local heat flux
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title	Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle
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title_full	Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle
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title_sort	influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle
title_auth	Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle
abstract	The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface.
abstractGer	The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface.
abstract_unstemmed	The paper presents the changes in the heat transfer coefficient (HTC) and heat flux (HF) during the water spray cooling of the metal plate on the surface of which the thickness of the oxidized layer changed. The experimental investigations consisted in measuring the temperature changes inside the plate during spray cooling with water from 700 °C to the ambient temperature. The plate was made of the material (Armco iron), the surface of which had been oxidized during heating. Three measurements were made for three different thickness of the oxidized layer. The size of the area related with the directed impact of the spray water on the surface (high impingement zone) and the size of the secondary water flow zone (horizontal flow zone) that was placed beyond the high impingement zone were assessed. The distribution of the water flux density over the cooled surface was determined as well as the increase in the thickness of the oxidized layer with the heating time. The experimental investigations allowed identify HTC and HF by using the inverse method. The uncertainty tests that allowed determine the accuracy of the inverse solution were performed. The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. The obtained results were compared with those obtained for the surface characterized by a low oxidation state, obtaining 35% lower maximum values of HF in relation to the oxidized surface.
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title_short	Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle
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The obtained results shows that the development of the boiling process on the surface covered with the oxidized layer is local. In the high impingement zone, the increase in the thickness of the oxidized layer from 0.018 to 0.035 mm significantly influences the changes of HF and HTC during each boiling phase. The increase in the thickness of the oxidized layer caused a shift of the maximum HF and the beginning of the transition boiling towards a higher surface temperature. Outside the high impingement zone the influence of the increase in the thickness of the oxidized layer is small during film boiling phase. 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Influence of iron oxide layer on intensification of heat dissipation from the surface of a horizontal plate cooled with a water nozzle

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