نتایج جستجو برای: flow mechanism

تعداد نتایج: 1021271  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1392

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 1991

ژورنال: علوم آب و خاک 2018

The study of flow patterns in front of intake has been attracted the attention of researchers during the past decades to explore the mechanism of flow and sediment entry to the intake. In this study, the separation and stream tube dimensions were investigated in water intakes installed to rectangular and trapezoidal main channel. These researches were carried out with experimental and fluent mo...

Mohammad Javad Mahdavinejad Tina Sadat Sadrolgharavi

 This article addresses the analysis of the mechanism of natural air flow around the residential buildings  and the effect of the form of residential buildings on air flow among four building forms in Tehran. The aim of this research is to study the effect of the form of residential buildings on the mechanism of natural air flow with the purpose of optimally utilizing clean air. The research me...

A. Rezavand F. Mobadersani, S. Jafarmadar

Demand for high-performance cooling systems is one of the most challenging and virtual issues in the industry and Pulsating heat pipes are effective solutions for this concern. In the present study, the best predictor correlations of flow boiling and condensation are taken into account to model a single turn pulsating heat pipe mathematically. These considerations, result in derivation of more ...

Journal: :Proceedings of the National Academy of Sciences 1948

Journal: :Water 2022

Debris flow is a disaster that frequently occurs in mountainous regions worldwide due to climate change and human activities can lead serious economic losses casualties [...]

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه 1387

چکیده ندارد.

Journal: :Journal of Geophysical Research 2007

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