FLOW VISUALIZATION OF LONGITUDINAL VORTICES INDUCED BY AN INCLINED IMPINGING JET IN A CROSSFLOW--EFFECTIVE COOLING OF HIGH TEMPERATURE GAS TURBINE BLADES

K. NAKABE; K. INAOKA; T. AI

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FLOW VISUALIZATION OF LONGITUDINAL VORTICES INDUCED BY AN INCLINED IMPINGING JET IN A CROSSFLOW--EFFECTIVE COOLING OF HIGH TEMPERATURE GAS TURBINE BLADES

机译：高温燃气轮机横流有效冷却中倾斜冲击射流引起的纵向涡流的可视化

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One of the most fundamental principles to improve the energy conversion efficiency is to raise the working temperature of a gas turbine. In order to realize high temperature gas turbines, development of effective cooling system of turbine blades is indispensable. The attention was paid to the utilization of longitudinal vortices to enhance the heat transfer from the inner surfaces of turbine blades. Effectiveness of longitudinal vortices in enhancing wall heat transfer were already confirmed for the case of a disturbed fiat plate boundary layer with the insertion of a wing-type vortex generator (WVG) attached to a large-eddy-break-up (LEBU) plate.

机译：提高能量转换效率的最基本原理之一是提高燃气轮机的工作温度。为了实现高温燃气轮机，必须开发有效的涡轮叶片冷却系统。注意力集中在利用纵向涡流以增强从涡轮叶片内表面的热传递上。通过在翼型涡旋发生器（WVG）上连接大涡流破裂（LEBU）板，插入了扰动的平板边界层，已经证实了纵向涡流在增强壁传热方面的有效性。

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来源
《Energy Conversion & Management》 |1997年第13期|p.1145-1153|共9页
作者
K. NAKABE; K. INAOKA; T. AI;
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作者单位

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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
中图分类能源与动力工程;
关键词
Impinging jet; Vortex generator; Longitudinal vortex;

机译：射流;涡流发生器;纵向涡;

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专利

1. Experimental and Numerical Study of Jet Impingement Cooling for Improved Gas Turbine Blade Internal Cooling With In-Line and Staggered Nozzle Arrays [J] . Abdel Rahman Salem, Farah Nazifa Nourin, Mohammed Abousabae, Journal of Energy Resources Technology . 2021,第1期

机译：改进燃气涡轮机叶片内部冷却的喷气冲击冷却试验和数值研究，用交错喷嘴阵列
2. TURBINE BLADE LEADING EDGE IMPINGEMENT COOLING FROM NORMAL OR TANGENTIAL JETS WITH CROSSFLOW EFFECT [J] . Wright Lesley, Wang Nian, Zhang Mingjie, Frontiers in Heat and Mass Transfer . 2019,第1期

机译：涡轮叶片前缘冲击从正常或切线喷射带有横流效果
3. Numerical simulation on the effect of jet nozzle position on impingement cooling of gas turbine blade leading edge [J] . Zhao Liu, Zhenping Feng International Journal of Heat and Mass Transfer . 2011,第23a24期

机译：喷嘴位置对燃气轮机叶片前缘冲击冷却影响的数值模拟
4. An experimental study on the flow and heat transfer characteristics of longitudinal vortices induced by an inclined impinging jet into a crossflow (measurements of heat transfer coefficients using thermochromic liquid crystal) [C] . Kazuyoshi Nakabe, Atsushi Higashio, Wei Chen, International heat transfer conference;IHTC1998 . 1998

机译：倾斜撞击射流引起的纵向涡流的流动和传热特性的实验研究（使用热致变色液晶测量传热系数）
5. Jet impingement cooling in rotating coolant passages of gas turbine blades. [D] . Akella, Kumar Vyaghreswara. 1998

机译：燃气轮机叶片旋转冷却液通道中的射流冲击冷却。
6. Cool nighttime temperatures induce the expression of CONSTANS and FLOWERING LOCUS T to regulate flowering in Arabidopsis [O] . Hannah A. Kinmonth-Schultz, Xinran Tong, Jae Lee, -1

机译：夜间凉爽的温度诱导拟南芥中CONSTANS和FLOWERING LOCUS T的表达来调节开花
7. Heat Transfer Characteristic of a Duct Flow with Longitudinal Vortices Induced by an Inclined Impinging Jet. (1st Report, Measurement of Wall Heat Transfer Coefficients Using Thermochromic Liquid Crystal.) [O] . Kazuyoshi NAKABE, JaeHwan KIM, Atsushi HIGASHIO, 1998

机译：由倾斜撞击射流引起的纵向涡流的管道流动的传热特性。（第1报告，使用热致变色液晶测量壁传热系数。）
8. Investigations on an Experimental Air-Cooled Turbine Part Ⅲ.—the Effects of Cooling on the Overall Turbine Aerodynamic Performance and Initial Operation at an Inlet Gas Temperature of 140° deg K PartⅣ.—Examination of Sintered Vitallium Air-Cooled Turbine Blades Following 100 Hours' Operation at a Turbine Inlet Mean Gas Temperature of 1400 deg K [R] . N. E. WALDREN, C. J. HART, D. E. FRAY 1960

机译：实验风冷涡轮机的研究Ⅲ。冷却对整体涡轮气动性能和入口气体温度140°K时的初始运行的影响第四部分 - 100小时后烧结的Vitallium空冷涡轮叶片的检查'在涡轮机入口处的操作平均气体温度为1400度K.

FLOW VISUALIZATION OF LONGITUDINAL VORTICES INDUCED BY AN INCLINED IMPINGING JET IN A CROSSFLOW--EFFECTIVE COOLING OF HIGH TEMPERATURE GAS TURBINE BLADES

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