| Heat Transfer of an Array of Round Impinging Jets with One-Sided Exhaust of the Spent Air |
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| 作者姓名： | 宋益军 程永元 蔡崧 |
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| 作者单位： | Thermoenergy Engineering Research Institute，Southeast University，Nanjing 210018 |
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| 摘 要： | ＨｅａｔＴｒａｎｓｆｅｒｏｆａｎＡｒａｙｏｆＲｏｕｎｄＩｍｐｉｎｇｉｎｇＪｅｔｓｗｉｔｈＯｎｅＳｉｄｅｄＥｘｈａｕｓｔｏｆｔｈｅＳｐｅｎｔＡｉｒＳｏｎｇＹｉｊｕｎ（宋益军）ＣｈｅｎＹｏｎｇｙｕａｎ（程永元）ＣａｉＳｏｎｇ（蔡崧）（Ｔｈｅｒｍｏｅｎｅ...
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Heat Transfer of an Array of Round Impinging Jets with One Sided Exhaust of the Spent Air |
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| Song Yijun,Chen Yongyuan,Cai Song.Heat Transfer of an Array of Round Impinging Jets with One-Sided Exhaust of the Spent Air[J].Journal of Southeast University(English Edition),1997(2). |
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| Authors: | Song Yijun Chen Yongyuan Cai Song |
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| Abstract: | When air gas heat exchanger works with high temperature combustion gas, the temperature of inner wall will be very high, which affects the safety of the exchanger. Considering that heat transfer with impinging jet is one of the high efficient heat transfer forms , it can greatly decrease the temperature of inner wall to use it on air side of the heat exchanger. This paper presents the results of experimental investigations on heat transfer at the surface flown by an array of round impinging jets with the spent air exhaust on one side. The effects of the factors such as velocity of jet, spacing from jet to test plate and hole to hole spacing etc. on the coefficient of heat transfer are considered and analysed. An empirical equation correlated from more than 90 sets of experimental data was obtained and it has been used in design for a heat exchanger of an experimental furnace. |
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| Keywords: | impinging jet heat transfer heat exchanger |
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