HOLES

作品数：260被引量：382H指数：9
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Film-Cooling Performance with Various Hole Length to Diameter Ratios for Cylindrical and Laidback Fan-Shaped Holes with an Inlet Groove
《Journal of Thermal Science》2025年第2期607-625,共19页PARK Jisu KIM Jun-Hee KANG Changwoo 
supported by National University Development Project at Jeonbuk National University in 2023。
The influence of the hole length-to-diameter ratio on film-cooling performance is numerically investigated for a cylindrical hole and laidback fan-shaped hole with an inlet groove.Numerical analysis of film-cooling is...
关键词：film-cooling inlet groove film-cooling effectiveness numerical analysis Reynolds-averaged Navier-Stokes equations 
Effects of Number of Bleed Holes on Shock-Wave/Boundary-Layer Interactions in a Transonic Compressor Stator
《Journal of Thermal Science》2024年第2期611-624,共14页LI Bai ZHOU Xun LUO Lei DU Wei 
the financial support provided by the National Science and Technology Major Project (2017-Ⅱ-0007-0021)。
An extensive numerical investigation is conducted to characterize the flow separation control in a transonic compressor cascade with a porous bleed.The bleed holes are arranged on the suction surface in a single row,t...
关键词：transonic compressor stator shock wave/boundary layer interaction porous bleed number of bleed holes 
Effects of Sealing Flow Supply Configuration with Holes on Sealing Effectiveness of Turbine Rim Seal被引量：4
《Journal of Thermal Science》2023年第1期366-386,共21页GAI Zepeng ZHU Pengfei HU Jianping LIU Zhenxia YIN Hang 
supported by the Special Scientific Research Project of the Ministry of Industry and Information Technology(MJ-2018-D-21);the National Science and Technology Major Project(J2019-III-0003-0046)。
This paper proposes a new-designed rim seal configuration with sealing holes based on the conventional radial rim seal,and presents a numerical comparison of the sealing performance between the conventional sealing fl...
关键词：secondary air system rim seal ingestion and seal unsteady flow discrete sealing holes 
Influence of Endwall Air Injection with Discrete Holes on Corner Separation of a Compressor Cascade被引量：1
《Journal of Thermal Science》2021年第5期1684-1704,共21页CAO Zhiyuan GAO Xi ZHANG Xiang ZHANG Fei LIU Bo 
This work was sponsored by the seed Foundation of Innovation and Creation for Graduate Students in Northwestern Polytechnical University(No.CX2020138);National Natural Science Foundation of China(Nos.51806174 and 51741601);the Fundamental Research Funds for the Central Universities of China(No.G2018KY0303).
The aim of this study is to reveal the influence mechanism of endwall air injection with distributed holes on the corner separation of a highly loaded compressor cascade,so as to promote the application of injection i...
关键词：compressor cascade corner separation flow control air injection endwall discrete hole injection 
Numerical Investigations of Film Cooling Characteristics of Interrupted Slot and Trench Holes on a Vane Endwall
《Journal of Thermal Science》2021年第3期1010-1024,共15页XIAO Xiangtao WANG Pei DU Qiang XU Qingzong LIU Jun ZHU Junqiang 
financial support of National Natural Science Foundation of China(Grant No.51776200);National Science and Technology Major Project(2017-Ⅲ-0003-0027);Youth Innovation Promotion Association of the Chinese Academy of Sciences。
This paper describes film cooling characteristics of the novel combined configuration employing interrupted slot and trench holes on a vane endwall.Interrupted slot,formed by uneven thermal expansion between combustor...
关键词：film cooling trench holes blowing ratio lateral pressure gradient step vortex axial position 
Effects of Injection Angles and Aperture Ratios on Film Cooling Performance of Sister Holes被引量：3
《Journal of Thermal Science》2021年第2期716-728,共13页LI Mingchun HE Yeguang LI Rundong YANG Tianhua 
In this paper,to analyze the influences of the injection angles and aperture ratios (AR) of the primary hole and the side hole on the film cooling performance of a flat plate model,pressure sensitive paint (PSP) techn...
关键词：sister hole injection angle aperture ratio film cooling effectiveness vorticity distribution 
Effects of Trenched Film Hole Configurations on the Endwall Film Cooling and Suction Side Phantom Cooling被引量：3
《Journal of Thermal Science》2019年第5期905-914,共10页DU Kun LI Zhigang LI Jun 
support of the National Natural Science Foundation (No. 51776151; No.51936008; No. 51776173) of China;supported by “the Fundamental Research Funds for the Central Universities” No. 3102019OQD702
To maximize the turbine thermal efficiency, modern gas turbine’s inlet temperature is significantly augmented within the past few decades. To prolong the lifespan of gas turbines, many efficient cooling techniques ha...
关键词：gas TURBINE TURBINE ENDWALL COOLING trenched film HOLES PHANTOM COOLING numerical simulations 
Film Cooling Performance of a Row of Dual-fanned Holes at Various Injection Angles被引量：4
《Journal of Thermal Science》2017年第5期453-458,共6页LI Guangchao WANG Haofeng ZHANG Wei KOU Zhihai XU Rangshu 
supported by the National Natural Science Foundation of China(Grant No.51406124);by the Natural Science Foundation of Liaoning Province of China(Grant No.201602576)
Film cooling performance about a row of dual-fanned holes with injection angles of 30°, 60 ° and 90° were experimentally investigated at blowing ratios of 1.0 and 2.0. Dual-fanned hole is a novel shaped hole which ...
关键词：gas turbine film cooling dual-fanned hole thermochromic liquid crystal technique 
Investigation on Multiple Cylindrical Holes Casing Treatment for Transonic Axial Compressor Stability Enhancement被引量：6
《Journal of Thermal Science》2014年第4期346-353,共8页YANG Chengwu ZHAO Shengfeng LU Xingen HAN Ge ZHU Junqiang 
Financial support from the National Natural Science Foundation of China(Project No.51176187 and 51206163);International special cooperation projects(Project No.2014DFR70080)
Casing treatment is one possible way of regaining axial compressor operating range. However, most of casing treatments extend the operating range with the cost of efficiency penalty. A new form of multiple cylindrical...
关键词：Casing treatment Transonic axial compressor Stall margin extending Numerical simulation 
Leading Edge Film Cooling Enhancement for an Inlet Guide Vane with Fan-Shaped Holes被引量：4
《Journal of Thermal Science》2010年第6期514-518,共5页Jian-Jun LIU, Bai-Tao AN, Jie LIU and Zhan W Institute of Engineering Thermophysics, Chinese Academy of Sciences, P. O. Box 2706, Beijing 100190, China Professor,PhD 
supported by the National 973 Program of China through grant number 2007CB210108
This paper describes the improvement of leading edge film cooling effectiveness for a turbine inlet guide vane by using fan-shaped film cooling holes. The modification details are presented in comparison with the base...
关键词：Inlet Guide Vane Film Cooling Effectiveness Fan-Shaped Hole Leading Edge 
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