Effect of Outflow Orientation on heat Transfer and Pressure Drop in a Triangular Duct With an Array of Tangential Jets

J.-H. Hwang; B.-Y. Chang

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Effect of Outflow Orientation on heat Transfer and Pressure Drop in a Triangular Duct With an Array of Tangential Jets

机译：切向射流阵列对三角形管道中流出取向对传热和压降的影响

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Experiments are conducted to study the heat transfer and pressure drop characteristics in a triangular duct cooled by an array of tangential jets, simulating the leading-edge cooling circuit of a turbine blade. Coolant ejected from a high-pressure plenum through an array of orifices is aimed at the leading-edge apex and exits from the radial outlets. Three different outflow orientations, namely coincident with the entry flow, opposed to the Entry flow, and both, are tested for various Reynolds numbers (12600≤Re≤42000). A Transient liquid crystal technique is used to measure the detailed heat transfer coefficients On two walls forming the leading-edge apex.

机译：进行了实验，以研究由切线射流冷却的三角形管道中的传热和压降特性，模拟了涡轮叶片的前沿冷却回路。从高压气室通过一排孔口喷出的冷却剂对准前沿尖端，并从径向出口排出。针对各种雷诺数（12600≤Re≤42000），测试了三种不同的流出方向，即与流入方向一致，与流入方向相反，并且两者都有。瞬态液晶技术用于测量形成前沿顶点的两个壁上的详细传热系数。

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来源
《Journal of Heat Transfer》 |2000年第4期|p.669-678|共10页
作者
J.-H. Hwang; B.-Y. Chang;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
关键词
Augmentation; Heat Transfer; Impingement;

机译：增强;传播热量;撞击;

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1. Heat transfer and pressure drop in the roughened equilateral triangular duct [J] . Soo Whan Ahn, Kang Pil Son International Communications in Heat and Mass Transfer . 2002,第4期

机译：粗糙的等边三角形管道中的传热和压降
2. Heat transfer and pressure drop in a reciprocating blind duct with swirls generated by a lateral entry jet [J] . Chang S.W., Cai Z.-X. Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics . 2011,第6期

机译：往复式盲管中的传热和压降，带有侧向入口射流产生的涡流
3. Effect of nozzle geometry on pressure drop and heat transfer in submerged jet arrays [J] . Anja Royne, Christopher J. Dey International Journal of Heat and Mass Transfer . 2006,第3a4期

机译：喷嘴几何形状对浸没式射流阵列中压降和传热的影响
4. THE EFFECT OF NOZZLE GEOMETRY ON PRESSURE DROP AND HEAT TRANSFER TO FREE SURFACE LIQUID JET ARRAYS [C] . Brian P. Whelan, Anthony J. Robinson ASME(American Society of Mechanical Engineers)/JSME(Japanese Society of Mechanical Engineers) Thermal Engineering Summer Heat Transfer Conference 2007 . 2007

机译：喷嘴几何形状对压降和热传递到自由表面液体射流阵的影响
5. Effect of outflow orientation and multiple jets orifice plate configurations on heat transfer in a rectangular duct. [D] . Ahmed, Mohammed Khaleel. 2005

机译：流出方向和多喷孔板结构对矩形管道中传热的影响。
6. Numerical Study of Laminar Flow and Convective Heat Transfer Utilizing Nanofluids in Equilateral Triangular Ducts with Constant Heat Flux [O] . Hsien-Hung Ting, Shuhn-Shyurng Hou 2016

机译：恒定热通量等边三角形管道中利用纳米流体的层流和对流换热的数值研究
7. Effect of outflow orientation and multiple jets orifice plate configurations on heat transfer in a rectangular duct [O] . Ahmed Mohammed Khaleel 2005

机译：流出取向和多喷口孔板配置对矩形管道传热的影响
8. PRESSURE DROP AND HEAT TRANSFER IN A DUCT WITH TRIANGULAR CROSS-SECTION [R] . E. R. G. ECKERT, T. F. IRVINE 1959

机译：三角形截面管道中的压降和传热

Effect of Outflow Orientation on heat Transfer and Pressure Drop in a Triangular Duct With an Array of Tangential Jets

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