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Characteristics of Heat Exchange in the Region of Injection into a Supersonic High-Temperature Flow

机译：超音速高温流动注入区域的换热特性

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摘要

An experimental investigation of the local heat transfer coefficient distribution during gas injection into the supersonic-flow portion of a Laval nozzle is discussed. The controlling dimensionless parameters of the investigated process are presented in terms of a generalized relation for the maximum value of the heat transfer coefficient in the nozzle cross section behind the injection hole. Data on the heat transfer coefficient variation along the nozzle length as a function of gas injection rate are also presented, along with the heat transfer coefficient distribution over a cross section of the nozzle.

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作者
Bakirov, F. G.; Shaykhutdinov, Z. G.;
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年度 1985
页码 p.1-14
总页数 14
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Convergent-divergent nozzles; Gas injection; Heat transfer coefficients; High temperature gases; Supersonic flow; Dimensionless numbers; Flow velocity; Gas dissociation;

机译：收敛 - 扩散喷嘴;气体注入;传热系数;高温气体;超音速流;无量纲数;流速;气体离解;

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1. Characteristic Properties of Heat Exchange and Gas Dynamics in Supersonic Flow of a Heterogeneous Medium in Micronozzles with a High Aspect Ratio [J] . P. V. NIKITIN, S. M. PROROKOV Heat Transfer Research . 2002,第5a6期

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2. Condensation heat transfer characteristics of R245fa in a shell and plate heat exchanger for high-temperature heat pumps [J] . Lim Junyub, Song Kang Sub, Kim Dongwoo, International Journal of Heat and Mass Transfer . 2018,第PTaA期

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3. Evaluation of mass injection cooling on flow and heat transfer characteristics for high-temperature inlet air in a MIPCC engine [J] . Lin Aqiang, Zhou Jie, Fawzy Hamza, International Journal of Heat and Mass Transfer . 2019,第JUNa期

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4. Performance comparison of air-source heat pumps using economizer vapor injection and internal heat exchanger in cold regions [C] . Lei Jin, Xiang Yin, Shengchen Pan, International Refrigeration and Air Conditioning Conference at Purdue . 2016

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5. Experimental Study on Heat Transfer and Flow Characteristics of Air Cooling through Cross-flow Microchannel Heat Exchanger. [D] . Dasgupta, Engr Sarbadaman. 2011

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Characteristics of Heat Exchange in the Region of Injection into a Supersonic High-Temperature Flow

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