Results 21 to 30 of about 794,827 (201)

Cooling of rocket plume using aqueous jets during launching

Engineering Applications of Computational Fluid Mechanics, 2022
With an increase in rocket motor thrust, the thermal loads on the launch platform by the impingement exhaust jet are significantly increased, this poses serious safety risks to rocket launch.
Zhitan Zhou, Yiying Bao, Peijie Sun, Yiqing Li   +3 more
doaj   +1 more source

Heat Transfer Enhancement of Impingement Cooling by Adopting Circular-Ribs or Vortex Generators in the Wall Jet Region of A Round Impingement Jet

International Journal of Turbomachinery, Propulsion and Power, 2020
In the near future, when designing and using Double Wall Airfoils, which will be manufactured by 3D printers, the positional relationship between the impingement cooling nozzle and the heat transfer enhancement ribs on the target plate naturally becomes ...
Ken-Ichiro Takeishi, Robert Krewinkel, Yutaka Oda, Yuichi Ichikawa   +3 more
doaj   +1 more source

Heat Transfer Enhancement by Mitigating the Adverse Effects of Crossflow in a Multi-Jet Impingement Cooling System in Hexagonal Configuration by Coaxial Cylindrical Protrusion—Guide Vane Pairs

Applied Sciences, 2023
A novel compound multi-jet impingement system for enhanced cooling of a flat surface by augmenting its area with cylindrical protrusions (CPs) equipped with coaxial guide vanes (CGVs) and reducing deflection of jets by crossflow has been developed for ...
Ahmet Hikmet Untuç, Salih Ozen Unverdi
doaj   +1 more source

CFD Simulation of a Temperature Control System for Galvanizing Line of Metal Band Based on Jet Cooling Heat Transfer

Applied Sciences, 2020
The work focuses on the development of a thermo-fluid dynamic simulation model of a section of close cooling, called a jet cooler, inserted in the galvanizing line of metal band production.
Giovanni Carozzo, Carlo Cravero, Martino Marini, Matteo Mazza   +3 more
doaj   +1 more source

Heat exchange enhancement of jet impingement cooling with the novel humped-cone heat sink

Case Studies in Thermal Engineering, 2021
Jet impingement cooling technology is applicable to control temperature of devices, where very high heat flux is generated within a small area. This paper is about the improvement of the jet impingement cooling efficiency by the heat sink geometry ...
Marcin Froissart, Paweł Ziółkowski, Waldemar Dudda, Janusz Badur   +3 more
doaj   +1 more source

Numerical Investigation of the Impingement Cooling Characteristics of Sweeping Jets with Phase Change [PDF]

Journal of Applied Fluid Mechanics
This study investigates the cooling features of sweeping jets with phase changes, providing insights into how parameters affect heat transfer. The study aims to improve heat transfer by investigating the cooling effects of a sweeping jet impinging on a ...
W. He, A. Adam, P. Su, H. An, D. Han, C. Wang   +5 more
doaj   +1 more source

Numerical investigation on the effect of rotation on impingement cooling of the gas turbine leading edge

Alexandria Engineering Journal, 2020
Currently, gas turbine engines play a vital role in our daily lives. Some of the uses of gas turbine engines include aircraft propulsions, helicopters, submarines, and industrial applications.
Amin Safi, Mohammad O. Hamdan, Emad Elnajjar   +2 more
doaj   +1 more source

Solar Photovoltaic Thermal Cells Performance Improvement using Jet, Phase Change Material and Nanoparticles Cooling Technology: A review [PDF]

Engineering and Technology Journal
The cooling of solar photovoltaic (PV) cells is reviewed in this study. The critical analysis aims to increase PV cell life span and electrical efficiency.
Mays Shaeli, Monier Baccar, Jalal Jalil
doaj   +1 more source

Experimental and Numerical Study on the Combined Jet Impingement and Film Cooling of an Aero-Engine Afterburner Section

Aerospace, 2023
The recent advancement of cooling methodologies for critical components such as turbine blades, combustor liners, and afterburner liners has led to the development of a combination of impingement and film cooling.
Ashutosh Kumar Singh, Sourabh Kumar, Kuldeep Singh   +2 more
doaj   +1 more source

Advanced Jet Impingement Cooling for Power Electronics

, 2023
Convective heat transfer by jet impingement cooling offers a suitable solution for high heat flux applications. Compared to techniques that rely on bulk conduction in series with convection, direct liquid impingement reduces the thermal resistance ...
Whitt, Reece
core   +3 more sources