Heat transfer performance evaluation of a novel concept of the core-hole heat exchanger for polymer foaming process
The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt tem...
Ausführliche Beschreibung
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| Autor*in: |
Mughal, Waqas [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS - 2011, IJTS, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:151 ; year:2020 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.ijthermalsci.2019.106214 |
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ELV04938418X |
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| 520 | |a The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. | ||
| 520 | |a The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. | ||
| 650 | 7 | |a Melt heat exchanger |2 Elsevier | |
| 650 | 7 | |a Core-hole heat exchanger |2 Elsevier | |
| 650 | 7 | |a Melt heat transfer |2 Elsevier | |
| 650 | 7 | |a Polymer melt |2 Elsevier | |
| 650 | 7 | |a Melt cooling |2 Elsevier | |
| 700 | 1 | |a Xin, Chunling |4 oth | |
| 700 | 1 | |a Li, Jiangnan |4 oth | |
| 700 | 1 | |a Abro, Masroor |4 oth | |
| 700 | 1 | |a Yang, Zhaoping |4 oth | |
| 700 | 1 | |a Solangi, K.H. |4 oth | |
| 700 | 1 | |a He, Yadong |4 oth | |
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10.1016/j.ijthermalsci.2019.106214 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000912.pica (DE-627)ELV04938418X (ELSEVIER)S1290-0729(18)31166-9 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.44 bkl Mughal, Waqas verfasserin aut Heat transfer performance evaluation of a novel concept of the core-hole heat exchanger for polymer foaming process 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. Melt heat exchanger Elsevier Core-hole heat exchanger Elsevier Melt heat transfer Elsevier Polymer melt Elsevier Melt cooling Elsevier Xin, Chunling oth Li, Jiangnan oth Abro, Masroor oth Yang, Zhaoping oth Solangi, K.H. oth He, Yadong oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:151 year:2020 pages:0 https://doi.org/10.1016/j.ijthermalsci.2019.106214 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 151 2020 0 |
| spelling |
10.1016/j.ijthermalsci.2019.106214 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000912.pica (DE-627)ELV04938418X (ELSEVIER)S1290-0729(18)31166-9 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.44 bkl Mughal, Waqas verfasserin aut Heat transfer performance evaluation of a novel concept of the core-hole heat exchanger for polymer foaming process 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. Melt heat exchanger Elsevier Core-hole heat exchanger Elsevier Melt heat transfer Elsevier Polymer melt Elsevier Melt cooling Elsevier Xin, Chunling oth Li, Jiangnan oth Abro, Masroor oth Yang, Zhaoping oth Solangi, K.H. oth He, Yadong oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:151 year:2020 pages:0 https://doi.org/10.1016/j.ijthermalsci.2019.106214 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 151 2020 0 |
| allfields_unstemmed |
10.1016/j.ijthermalsci.2019.106214 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000912.pica (DE-627)ELV04938418X (ELSEVIER)S1290-0729(18)31166-9 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.44 bkl Mughal, Waqas verfasserin aut Heat transfer performance evaluation of a novel concept of the core-hole heat exchanger for polymer foaming process 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. Melt heat exchanger Elsevier Core-hole heat exchanger Elsevier Melt heat transfer Elsevier Polymer melt Elsevier Melt cooling Elsevier Xin, Chunling oth Li, Jiangnan oth Abro, Masroor oth Yang, Zhaoping oth Solangi, K.H. oth He, Yadong oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:151 year:2020 pages:0 https://doi.org/10.1016/j.ijthermalsci.2019.106214 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 151 2020 0 |
| allfieldsGer |
10.1016/j.ijthermalsci.2019.106214 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000912.pica (DE-627)ELV04938418X (ELSEVIER)S1290-0729(18)31166-9 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.44 bkl Mughal, Waqas verfasserin aut Heat transfer performance evaluation of a novel concept of the core-hole heat exchanger for polymer foaming process 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. Melt heat exchanger Elsevier Core-hole heat exchanger Elsevier Melt heat transfer Elsevier Polymer melt Elsevier Melt cooling Elsevier Xin, Chunling oth Li, Jiangnan oth Abro, Masroor oth Yang, Zhaoping oth Solangi, K.H. oth He, Yadong oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:151 year:2020 pages:0 https://doi.org/10.1016/j.ijthermalsci.2019.106214 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 151 2020 0 |
| allfieldsSound |
10.1016/j.ijthermalsci.2019.106214 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000912.pica (DE-627)ELV04938418X (ELSEVIER)S1290-0729(18)31166-9 DE-627 ger DE-627 rakwb eng 610 VZ 610 VZ 44.44 bkl Mughal, Waqas verfasserin aut Heat transfer performance evaluation of a novel concept of the core-hole heat exchanger for polymer foaming process 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. Melt heat exchanger Elsevier Core-hole heat exchanger Elsevier Melt heat transfer Elsevier Polymer melt Elsevier Melt cooling Elsevier Xin, Chunling oth Li, Jiangnan oth Abro, Masroor oth Yang, Zhaoping oth Solangi, K.H. oth He, Yadong oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:151 year:2020 pages:0 https://doi.org/10.1016/j.ijthermalsci.2019.106214 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 151 2020 0 |
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Enthalten in 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS Amsterdam [u.a.] volume:151 year:2020 pages:0 |
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Heat transfer performance evaluation of a novel concept of the core-hole heat exchanger for polymer foaming process |
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The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. |
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The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. |
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The tandem extrusion method is quite famous for polymer foaming production in up-scale. In this method, two extruders coupled together for different functionality. The primary extruder used for melting, homogenizing the foaming agent in the melt. The secondary extruder used for reducing the melt temperature to the required foaming temperature limit. In this study, propose newly developed core-hole heat exchanger by replacing secondary extruder as an alternative solution. The heat transfer performance of the core-hole structure investigated in this work. According to heat transfer performance mainly focus on heat transfer rate, temperature distribution, local heat transfer coefficient, Nusselt number, and overall heat transfer coefficient in this work. The experiments were carried out on 180 °C, 190 °C, and 200 °C inlet temperature, whereas the flow rate was 08 to 20 kg/h with 4 unit of the interval. Non-homogeneous temperature distribution resulted in 08 kg/h and 180 °C of the inlet temperature, but overall average temperature approximately similar to surface temperature. Good mix ability and the uniform temperature achieved on 12 and 16 kg/h in all range of temperatures in this study. Whereas, 20 kg/h of mass flow rate reduces the temperature distribution quality of the melt. Because of the higher temperature difference and flow rate, higher heat transfer rate achieved on 200 °C and 20 kg/h. Convective heat transfer coefficient has been increased concerning flow rate and local point temperature difference. In this work, it investigated that 190 °C of inlet temperature gives a higher overall heat transfer coefficient on 16 and 20 kg/h of mass flow rate. |
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