Characterization of solid-cone simplex mist nozzles

Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for va...
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Autor*in:	Shrigondekar, Harshad [verfasserIn] Chowdhury, Arindrajit [verfasserIn] Prabhu, S.V. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Water mist fire suppression system Pressure-swirl (simplex) nozzle

Übergeordnetes Werk:	Enthalten in: Fire safety journal - New York, NY [u.a.] : Elsevier, 1977, 111
Übergeordnetes Werk:	volume:111

DOI / URN:	10.1016/j.firesaf.2019.102936

Katalog-ID:	ELV003832724

Internformat


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520			\|a Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for various injection pressures. Droplet size distribution is measured using particle/droplet image analyser system at various axial distances from the nozzle (0.55 ≤ z ≤ 1.75 m) and injection pressures (6–10 bar). Experimentally measured droplet number distributions are fitted by the log-normal distribution. Rosin-Rammler distribution is calculated from the experimental data and compared with measured droplet volume distributions. Relative span factor, Sauter mean diameter, volume median diameter, and average velocity of the spray are also measured. A relation between the mean diameter and characteristic diameter of the spray with its drop size distribution is attempted. Empirical correlations are developed for those characteristics of the spray which vary with axial distance from the nozzle. Correlations are presented as functions of experimental variables in the non-dimensional form such that generality is achieved for all the nozzles of the same design. Similar correlation is extended for the SMD of the spray from the nozzles of different design in the literature.
650		4	\|a Water mist fire suppression system
650		4	\|a Pressure-swirl (simplex) nozzle
700	1		\|a Chowdhury, Arindrajit \|e verfasserin \|4 aut
700	1		\|a Prabhu, S.V. \|e verfasserin \|4 aut
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936	b	k	\|a 50.17 \|j Sicherheitstechnik
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bklnumber	50.17
publishDate	2019
allfields	10.1016/j.firesaf.2019.102936 doi (DE-627)ELV003832724 (ELSEVIER)S0379-7112(18)30518-6 DE-627 ger DE-627 rda eng 690 DE-600 50.17 bkl Shrigondekar, Harshad verfasserin aut Characterization of solid-cone simplex mist nozzles 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for various injection pressures. Droplet size distribution is measured using particle/droplet image analyser system at various axial distances from the nozzle (0.55 ≤ z ≤ 1.75 m) and injection pressures (6–10 bar). Experimentally measured droplet number distributions are fitted by the log-normal distribution. Rosin-Rammler distribution is calculated from the experimental data and compared with measured droplet volume distributions. Relative span factor, Sauter mean diameter, volume median diameter, and average velocity of the spray are also measured. A relation between the mean diameter and characteristic diameter of the spray with its drop size distribution is attempted. Empirical correlations are developed for those characteristics of the spray which vary with axial distance from the nozzle. Correlations are presented as functions of experimental variables in the non-dimensional form such that generality is achieved for all the nozzles of the same design. Similar correlation is extended for the SMD of the spray from the nozzles of different design in the literature. Water mist fire suppression system Pressure-swirl (simplex) nozzle Chowdhury, Arindrajit verfasserin aut Prabhu, S.V. verfasserin aut Enthalten in Fire safety journal New York, NY [u.a.] : Elsevier, 1977 111 Online-Ressource (DE-627)300897758 (DE-600)1483569-1 (DE-576)096188588 nnns volume:111 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_63 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2038 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_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4335 GBV_ILN_4338 GBV_ILN_4393 50.17 Sicherheitstechnik AR 111
spelling	10.1016/j.firesaf.2019.102936 doi (DE-627)ELV003832724 (ELSEVIER)S0379-7112(18)30518-6 DE-627 ger DE-627 rda eng 690 DE-600 50.17 bkl Shrigondekar, Harshad verfasserin aut Characterization of solid-cone simplex mist nozzles 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for various injection pressures. Droplet size distribution is measured using particle/droplet image analyser system at various axial distances from the nozzle (0.55 ≤ z ≤ 1.75 m) and injection pressures (6–10 bar). Experimentally measured droplet number distributions are fitted by the log-normal distribution. Rosin-Rammler distribution is calculated from the experimental data and compared with measured droplet volume distributions. Relative span factor, Sauter mean diameter, volume median diameter, and average velocity of the spray are also measured. A relation between the mean diameter and characteristic diameter of the spray with its drop size distribution is attempted. Empirical correlations are developed for those characteristics of the spray which vary with axial distance from the nozzle. Correlations are presented as functions of experimental variables in the non-dimensional form such that generality is achieved for all the nozzles of the same design. Similar correlation is extended for the SMD of the spray from the nozzles of different design in the literature. Water mist fire suppression system Pressure-swirl (simplex) nozzle Chowdhury, Arindrajit verfasserin aut Prabhu, S.V. verfasserin aut Enthalten in Fire safety journal New York, NY [u.a.] : Elsevier, 1977 111 Online-Ressource (DE-627)300897758 (DE-600)1483569-1 (DE-576)096188588 nnns volume:111 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_63 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2038 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_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4335 GBV_ILN_4338 GBV_ILN_4393 50.17 Sicherheitstechnik AR 111
allfields_unstemmed	10.1016/j.firesaf.2019.102936 doi (DE-627)ELV003832724 (ELSEVIER)S0379-7112(18)30518-6 DE-627 ger DE-627 rda eng 690 DE-600 50.17 bkl Shrigondekar, Harshad verfasserin aut Characterization of solid-cone simplex mist nozzles 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for various injection pressures. Droplet size distribution is measured using particle/droplet image analyser system at various axial distances from the nozzle (0.55 ≤ z ≤ 1.75 m) and injection pressures (6–10 bar). Experimentally measured droplet number distributions are fitted by the log-normal distribution. Rosin-Rammler distribution is calculated from the experimental data and compared with measured droplet volume distributions. Relative span factor, Sauter mean diameter, volume median diameter, and average velocity of the spray are also measured. A relation between the mean diameter and characteristic diameter of the spray with its drop size distribution is attempted. Empirical correlations are developed for those characteristics of the spray which vary with axial distance from the nozzle. Correlations are presented as functions of experimental variables in the non-dimensional form such that generality is achieved for all the nozzles of the same design. Similar correlation is extended for the SMD of the spray from the nozzles of different design in the literature. Water mist fire suppression system Pressure-swirl (simplex) nozzle Chowdhury, Arindrajit verfasserin aut Prabhu, S.V. verfasserin aut Enthalten in Fire safety journal New York, NY [u.a.] : Elsevier, 1977 111 Online-Ressource (DE-627)300897758 (DE-600)1483569-1 (DE-576)096188588 nnns volume:111 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_63 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2038 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_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4335 GBV_ILN_4338 GBV_ILN_4393 50.17 Sicherheitstechnik AR 111
allfieldsGer	10.1016/j.firesaf.2019.102936 doi (DE-627)ELV003832724 (ELSEVIER)S0379-7112(18)30518-6 DE-627 ger DE-627 rda eng 690 DE-600 50.17 bkl Shrigondekar, Harshad verfasserin aut Characterization of solid-cone simplex mist nozzles 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for various injection pressures. Droplet size distribution is measured using particle/droplet image analyser system at various axial distances from the nozzle (0.55 ≤ z ≤ 1.75 m) and injection pressures (6–10 bar). Experimentally measured droplet number distributions are fitted by the log-normal distribution. Rosin-Rammler distribution is calculated from the experimental data and compared with measured droplet volume distributions. Relative span factor, Sauter mean diameter, volume median diameter, and average velocity of the spray are also measured. A relation between the mean diameter and characteristic diameter of the spray with its drop size distribution is attempted. Empirical correlations are developed for those characteristics of the spray which vary with axial distance from the nozzle. Correlations are presented as functions of experimental variables in the non-dimensional form such that generality is achieved for all the nozzles of the same design. Similar correlation is extended for the SMD of the spray from the nozzles of different design in the literature. Water mist fire suppression system Pressure-swirl (simplex) nozzle Chowdhury, Arindrajit verfasserin aut Prabhu, S.V. verfasserin aut Enthalten in Fire safety journal New York, NY [u.a.] : Elsevier, 1977 111 Online-Ressource (DE-627)300897758 (DE-600)1483569-1 (DE-576)096188588 nnns volume:111 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_63 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2038 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_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4335 GBV_ILN_4338 GBV_ILN_4393 50.17 Sicherheitstechnik AR 111
allfieldsSound	10.1016/j.firesaf.2019.102936 doi (DE-627)ELV003832724 (ELSEVIER)S0379-7112(18)30518-6 DE-627 ger DE-627 rda eng 690 DE-600 50.17 bkl Shrigondekar, Harshad verfasserin aut Characterization of solid-cone simplex mist nozzles 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for various injection pressures. Droplet size distribution is measured using particle/droplet image analyser system at various axial distances from the nozzle (0.55 ≤ z ≤ 1.75 m) and injection pressures (6–10 bar). Experimentally measured droplet number distributions are fitted by the log-normal distribution. Rosin-Rammler distribution is calculated from the experimental data and compared with measured droplet volume distributions. Relative span factor, Sauter mean diameter, volume median diameter, and average velocity of the spray are also measured. A relation between the mean diameter and characteristic diameter of the spray with its drop size distribution is attempted. Empirical correlations are developed for those characteristics of the spray which vary with axial distance from the nozzle. Correlations are presented as functions of experimental variables in the non-dimensional form such that generality is achieved for all the nozzles of the same design. Similar correlation is extended for the SMD of the spray from the nozzles of different design in the literature. Water mist fire suppression system Pressure-swirl (simplex) nozzle Chowdhury, Arindrajit verfasserin aut Prabhu, S.V. verfasserin aut Enthalten in Fire safety journal New York, NY [u.a.] : Elsevier, 1977 111 Online-Ressource (DE-627)300897758 (DE-600)1483569-1 (DE-576)096188588 nnns volume:111 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_63 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_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2038 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_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4335 GBV_ILN_4338 GBV_ILN_4393 50.17 Sicherheitstechnik AR 111
language	English
source	Enthalten in Fire safety journal 111 volume:111
sourceStr	Enthalten in Fire safety journal 111 volume:111
format_phy_str_mv	Article
bklname	Sicherheitstechnik
institution	findex.gbv.de
topic_facet	Water mist fire suppression system Pressure-swirl (simplex) nozzle
dewey-raw	690
isfreeaccess_bool	false
container_title	Fire safety journal
authorswithroles_txt_mv	Shrigondekar, Harshad @@aut@@ Chowdhury, Arindrajit @@aut@@ Prabhu, S.V. @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	300897758
dewey-sort	3690
id	ELV003832724
language_de	englisch
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author	Shrigondekar, Harshad
spellingShingle	Shrigondekar, Harshad ddc 690 bkl 50.17 misc Water mist fire suppression system misc Pressure-swirl (simplex) nozzle Characterization of solid-cone simplex mist nozzles
authorStr	Shrigondekar, Harshad
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topic_title	690 DE-600 50.17 bkl Characterization of solid-cone simplex mist nozzles Water mist fire suppression system Pressure-swirl (simplex) nozzle
topic	ddc 690 bkl 50.17 misc Water mist fire suppression system misc Pressure-swirl (simplex) nozzle
topic_unstemmed	ddc 690 bkl 50.17 misc Water mist fire suppression system misc Pressure-swirl (simplex) nozzle
topic_browse	ddc 690 bkl 50.17 misc Water mist fire suppression system misc Pressure-swirl (simplex) nozzle
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title	Characterization of solid-cone simplex mist nozzles
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title_full	Characterization of solid-cone simplex mist nozzles
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author_browse	Shrigondekar, Harshad Chowdhury, Arindrajit Prabhu, S.V.
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author-letter	Shrigondekar, Harshad
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title_sort	characterization of solid-cone simplex mist nozzles
title_auth	Characterization of solid-cone simplex mist nozzles
abstract	Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for various injection pressures. Droplet size distribution is measured using particle/droplet image analyser system at various axial distances from the nozzle (0.55 ≤ z ≤ 1.75 m) and injection pressures (6–10 bar). Experimentally measured droplet number distributions are fitted by the log-normal distribution. Rosin-Rammler distribution is calculated from the experimental data and compared with measured droplet volume distributions. Relative span factor, Sauter mean diameter, volume median diameter, and average velocity of the spray are also measured. A relation between the mean diameter and characteristic diameter of the spray with its drop size distribution is attempted. Empirical correlations are developed for those characteristics of the spray which vary with axial distance from the nozzle. Correlations are presented as functions of experimental variables in the non-dimensional form such that generality is achieved for all the nozzles of the same design. Similar correlation is extended for the SMD of the spray from the nozzles of different design in the literature.
abstractGer	Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for various injection pressures. Droplet size distribution is measured using particle/droplet image analyser system at various axial distances from the nozzle (0.55 ≤ z ≤ 1.75 m) and injection pressures (6–10 bar). Experimentally measured droplet number distributions are fitted by the log-normal distribution. Rosin-Rammler distribution is calculated from the experimental data and compared with measured droplet volume distributions. Relative span factor, Sauter mean diameter, volume median diameter, and average velocity of the spray are also measured. A relation between the mean diameter and characteristic diameter of the spray with its drop size distribution is attempted. Empirical correlations are developed for those characteristics of the spray which vary with axial distance from the nozzle. Correlations are presented as functions of experimental variables in the non-dimensional form such that generality is achieved for all the nozzles of the same design. Similar correlation is extended for the SMD of the spray from the nozzles of different design in the literature.
abstract_unstemmed	Water mist system with single-fluid low-pressure nozzle is studied. Three solid-cone simplex nozzles with X-type swirl-insert and orifice diameters of 1.65, 1.9, and 2.45 mm are characterized in detail. Discharge coefficients, spray cone angles, and mass flux density in the spray are measured for various injection pressures. Droplet size distribution is measured using particle/droplet image analyser system at various axial distances from the nozzle (0.55 ≤ z ≤ 1.75 m) and injection pressures (6–10 bar). Experimentally measured droplet number distributions are fitted by the log-normal distribution. Rosin-Rammler distribution is calculated from the experimental data and compared with measured droplet volume distributions. Relative span factor, Sauter mean diameter, volume median diameter, and average velocity of the spray are also measured. A relation between the mean diameter and characteristic diameter of the spray with its drop size distribution is attempted. Empirical correlations are developed for those characteristics of the spray which vary with axial distance from the nozzle. Correlations are presented as functions of experimental variables in the non-dimensional form such that generality is achieved for all the nozzles of the same design. Similar correlation is extended for the SMD of the spray from the nozzles of different design in the literature.
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title_short	Characterization of solid-cone simplex mist nozzles
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author2	Chowdhury, Arindrajit Prabhu, S.V.
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up_date	2024-07-06T20:56:32.635Z
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Characterization of solid-cone simplex mist nozzles

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