Modal decomposition of flow instabilities in a straight turbine diffuser around the best efficiency point

JD Buron, S Houde - Physics of Fluids, 2023 - pubs.aip.org
Hydraulic turbines sometimes exhibit a sharp efficiency drop around the best efficiency
point. The drop is known to originate from large flow separations in their draft tubes, limiting …

Mechanisms of enhanced heat transfer of piston oscillating cooling in a heavy-duty diesel engine

Z Wang, J Lu, P Deng, S Li, K Wang, C Zhang… - Applied Thermal …, 2024 - Elsevier
The thermal load and reliability of pistons become major concerns with the increase of
power density of internal combustion engines. The oscillating cooling technology is often …

大型船用柴油机活塞多腔振荡冷却的强化机制

王兆文, 周冬, 梁刚, 周培, 徐明焘, 成晓北 - 内燃机学报, 2021 - epjournal.csee.org.cn
活塞是内燃机中热负荷和机械负荷最大的零部件之一, 为了确保内燃机活塞的可靠性和寿命,
大型船用柴油机往往采用振荡强化传热的方式进行活塞的冷却. 为了理解振荡冷却的强化机制 …

The effects of diffuser profile on the performance of the liquid-gas ejector

AA Salim, D Sugati - Applied Research and Smart Technology …, 2023 - journals2.ums.ac.id
Kinetic energy originating from liquid jets at high speed can be used as an energy source for
liquid-gas ejector devices. An ejector is a tool often used to support one of the processes in …

[PDF][PDF] Study on swirl flow in a draft tube of a bulb hydro turbine model

VL Vu, Z Chen, YD Choi - Journal of Advanced Marine Engineering and …, 2018 - e-jamet.org
The present study focuses on the effect of swirl flow in a draft tube on the performance of a
bulb hydro turbine model at various turbine operating conditions by CFD analysis. First, the …

[PDF][PDF] STUDY OF PERFORMANCE OF CEILING SWIRL DIFFUSER PLACEMENT IN INDOOR ENVIRONMENT

P Korde, S Dwivedi - 2021 - irjeas.org
An air diffuser while placing in an indoor office space has been the most important
consideration for human thermal comfort. To obtain a maximum thermal comfort in an open …

Static Pressure Recovery Effects of Conical Diffusers with Swirling Inlet Flow

JR Wright - 2020 - search.proquest.com
Conical diffusers are used in hundreds of engineering applications in various industries.
Some of the operating conditions that they operate under cause swirling flow to enter the …

Вплив конструкції підвідного пристрою герметичного моноблочного насоса з порожнистим валом на його робочий процес та характеристики

ОМ Молошний - 2019 - essuir.sumdu.edu.ua
У дисертаційній роботі подане нове вирішення наукової задачі, що полягає в
удосконаленні конструкції герметичного моноблочного насосу з порожнистим валом на …

[引用][C] Performance analysis and flow features of swirl diffuser in a floor based air conditioning system

M Kumar, D Pawar, S Dwivedi - 2018