Results 11 to 20 of about 324,471 (291)

Computational study of hole shape effect on film cooling performance [PDF]

, 2011
Film cooling effectiveness has been studied by using a computational approach based on solving the Reynolds-averaged Navier–Stokes equations. A wind tunnel test configuration is considered with a total of four cooling hole geometries as a cylindrical ...
Yao, Jun, Yao, Yufeng
core   +1 more source

Experimental and numerical study of a multi-unit evaporative cooling device in series

Case Studies in Thermal Engineering, 2020
In this study, the performance of an evaporative cooling unit device based on the M-cycle cooling principles is evaluated experimentally. Numerical models of the experimental prototype and its scale model have been developed by using CFD software ...
Jing Lv, Jing Yi, Yijun Fu, Hongzhi Liu
doaj   +1 more source

Conjugate Heat Transfer Simulation of Overall Cooling Performance for Cratered Film Cooling Holes

Machines, 2022
Film cooling is widely applied as an effective way to maintain the turbine blade temperature at an acceptable level. The present paper investigates the overall cooling effectiveness and flow structure by performing conjugate heat transfer simulations for
Chao Zhang, Wenzhuang Wang, Zhan Wang, Zhiting Tong   +3 more
doaj   +1 more source

Combined effects of blowing ratio and mist diameter with mainstream turbulence intensity in mist-assisted film cooling

Engineering Applications of Computational Fluid Mechanics, 2023
Advanced cooling techniques are essential in modern gas turbines to improve the efficiency of the Brayton cycle by raising the turbine inlet temperature.
Yoonhyeong Jeong, Seung Il Baek, Duy-Tan Vo, Seunggi Kim, Dokyun Kim, Hyoungsoon Lee, Jaiyoung Ryu   +6 more
doaj   +1 more source

Local cooling for relieving pain from perineal trauma sustained during childbirth [PDF]

, 2012
Background: Perineal trauma is common during childbirth and may be painful. Contemporary maternity practice includes offering women numerous forms of pain relief, including the local application of cooling treatments.
Begg, L, East, CE, Henshall, NE, Marchant, PR, Wallace, K   +4 more
core   +1 more source

Investigation on the Effect of Impingement Chamber Structure and Cooling Unit Number on Composite Cooling [PDF]

Journal of Applied Fluid Mechanics
In order to deeply explore the influence and mechanism of the impingement chamber structure and the number of cooling units on the film cooling performance.
J. Liu, Z. Zhu, J. Chang, S. Ma, J. Sun
doaj   +1 more source

Effect of Mesh Topologies to Predict Cooling Effect on Evaporative Cooling Duct

Journal of Physics: Conference Series, 2021
Abstract This paper examines the effect of different mesh types on a numerical study of evaporative cooling in the chimney. This research is a follow-up study from previous research. The test specimen used is an evaporative chimney design with the addition of a nozzle arrangement in it.
A Jamaldi, null Sarjito, A S Nurrohkayati, N T Atmoko   +3 more
openaire   +1 more source

Technical solutions to prevent heat stress induced crop growth reduction for three climatic regions in Mexico [PDF]

, 2008
In the last 15 years a significant increase in greenhouse area has occurred in Mexico, from a modest 50 hectares in 1990 to over 2,000 hectares in 2004. The rapid increase in greenhouse area is a result of an attractive export market, USA. Mexican summer
Henten, E.J., van, Heuvelink, E., Loaiza Mejia, V.M., Ooster, A., van 't   +3 more
core   +2 more sources

Experimental study on the overall cooling effectiveness of nozzle guide vane under high temperature and high pressure

Case Studies in Thermal Engineering, 2022
This study presents the overall cooling effectiveness of a nozzle guide vane with impingement-effusion in the conditions of the high temperature and high pressure at the mass flow ratios from KG = 0.09 to KG = 0.14. The temperature ratios change from KT =
Chuhan Qiao, Guangchao Li, Wei Zhang, Hongbin He, Feifan Duan, Pengfei Wang   +5 more
doaj   +1 more source

Parametric and Correlation Study of Effusion Cooling Applied to Gas Turbine Blades

Applied Sciences
To pursue higher thermal efficiency in aero gas turbines, the contradiction between extreme high-temperature conditions and material temperature resistance limits has made advanced thermal management technologies crucial.
Jian Liu, Jiancheng Zhao, Renshuo Liu, Wenxiong Xi   +3 more
doaj   +1 more source