نتایج جستجو برای: rectangular channel

تعداد نتایج: 244993  

ژورنال: تحقیقات موتور 2019
Keshavarz, A., Moradi, F., Qasemian, A., Shakeri, A.,

Boiling heat transfer always has been proposed as a solution for enhancing heat transfer between the fluid and solid surfaces. Subcooled flow boiling is one of the mechanisms that occur in Internal Combustion Engine water jacket in which high amounts of heat is transferred. In this research, it has been tried to simulate subcooled flow boiling in a geometry similar to coolant channel inside the...

Journal: :مهندسی عمران فردوسی 0
حمید شاملو عادل اثنی عشری

the intakes usually have been used in water distribution networks, irrigation channels, sewage networks, and the water/wastewater treatment facilities, etc. lack of sediment control entered to the intake channel is the main reason of entering sediments to the installation systems, which makes many problems for different parts. due to suspended particles in water, the facilities used such as pum...

Journal: :Nucleation and Atmospheric Aerosols 2023

A numerical simulation is performed to study the effect of two types vortex generators (VGs) on heat transfer coefficient and pressure drop in duct. There are V.G., one concave V.G. other rectangular. The aim observe effects shape arrangement this V.Gs channel increase with Reynolds number range from (300 1500). Both were placed 45o angle attack, an line staggered position. results shows that p...

Journal: :Journal of Fundamental and Applied Sciences 2021

The purpose of this study is interested in the semi-theoretical analysis hydraulic jump evolving a rectangular straight compound channel with rough major bed. A functional relationship, non-dimensional terms, linking together different characteristics projection, obtained.

2004
B. D. AGGARWALA

In this paper, ve investigate the flov of a viscous, Incompresslble, electrlcally conducting fluld through a rectangular duct in the presence of a magnetic fleld, when one of the boundaries perpedlcular to the umgnetlc field is partly conducting and partly Insu/atlng, by a modified Boundary Integral Hethod. Three problems are considered (1) flov through an infinite channel, (li) flov through a ...

In the recent years, due to the hydropower plants environmental problems, hydrokinetic turbine usages has been increased. Using such turbines in rivers modify natural flow-field. In previous studies, impacts of turbine on the flow-field just only in rectangular open-channel is studied. In this work, the effects of hydrokinetic turbine in a straight compound channel has been numerically studied ...

Journal: :Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 2015

Journal: :Water 2022

This study was undertaken with the primary objective of modeling grain velocity based on experimental data obtained under controlled conditions a laboratory using rectangular hydraulic tilting channel. Soft computing approaches, i.e., support vector machine (SVM), artificial neural network (ANN), and multiple linear regression (MLR), were applied to simulate four input variables; shear velocity...

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