| Heat Transfer Model with Two Heat Transfer Coefficients Along a M ultiperforated Plate-Application to Combustion Chamber Wall Cooling |
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| 引用本文： | Brice Petre,Eva Dorignac,Jean Jacques Vullierme. Heat Transfer Model with Two Heat Transfer Coefficients Along a M ultiperforated Plate-Application to Combustion Chamber Wall Cooling[J]. 热科学学报(英文版), 2003, 0(4) |
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| 作者姓名： | Brice Petre Eva Dorignac Jean Jacques Vullierme |
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| 作者单位： | Laboratoire d'Etudes Thermiques，U.M.R C.N.R.S 6608-ENSMA，BP 40109，86961 Futuroscope Chasseneuil Cedex，FRANCE，Laboratoire d'Etudes Thermiques，U.M.R C.N.R.S 6608-ENSMA，BP 40109，86961 Futuroscope Chasseneuil Cedex，FRANCE，Laboratoire d'Etudes Thermiques，U.M.R C.N.R.S 6608-ENSMA，BP 40109，86961 Futuroscope Chasseneuil Cedex，FRANCE |
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| 摘 要： | Walls' cooling of aeronautic propeller combustion chamber is performed with the injection, through the combustion chamber wall, of a part of the air coming from compressors placed upstream. Measurements of the wall thermal fields are made by infrared thermography along the injection wall. This injection wall is pierced by 9 rows of 8 holes (α=90°) in staggered configuration(p/D=s/D=6). We propose a model using two heat transfer coefficients to represent the convective exchanges. The results are non-dimensioned and presented in comparison with the case without holes. The use of this model allows us to define 4 zones. Those 4 zones exist for the 5 blowing rates.
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Heat Transfer Model with Two Heat Transfer Coefficients Along a M ultiperforated Plate-Application to Combustion Chamber Wall Cooling |
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| Brice Petre Eva Dorignac Jean Jacques VulliermeLaboratoire d'Etudes Thermiques,U.M.R C.N.R.S -ENSMA,BP , Futuroscope Chasseneuil Cedex,FRANCE. Heat Transfer Model with Two Heat Transfer Coefficients Along a M ultiperforated Plate-Application to Combustion Chamber Wall Cooling[J]. Journal of Thermal Science, 2003, 0(4) |
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| Authors: | Brice Petre Eva Dorignac Jean Jacques VulliermeLaboratoire d'Etudes Thermiques U.M.R C.N.R.S -ENSMA BP Futuroscope Chasseneuil Cedex FRANCE |
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| Affiliation: | Brice Petre Eva Dorignac Jean Jacques VulliermeLaboratoire d'Etudes Thermiques,U.M.R C.N.R.S 6608-ENSMA,BP 40109,86961 Futuroscope Chasseneuil Cedex,FRANCE |
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| Abstract: | |
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| Keywords: | multiperforation cooling heat transfer coefficients infrared thermography. |
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