Results 101 to 110 of about 134,379 (256)

Study on the Temporal and Spatial Evolution Mechanism of Rotating Cavitation in the First Stage Impeller of LNG Submersible Pump With Two‐Stage Splitter Blades

Energy Science &Engineering, Volume 13, Issue 9, Page 4356-4370, September 2025.
ABSTRACT This study establishes a full‐flow passage numerical model of an LNG submerged pump equipped with two‐stage splitter blades through three‐dimensional modeling. Numerical simulations validated by liquid nitrogen experiments demonstrate that at 1.4 times the design flow rate, the peak efficiency reaches 60.6%, with a maximum head of 194.93 m ...
Songyu Yao, Weibin Zhang, Dingqi Zhang, Qifeng Jiang, Chenyu Wang   +4 more
wiley   +1 more source

Transient hydrodynamics and free surface capture of an under-baffled stirred tank during stopping [PDF]

, 2007
The transient hydrodynamics and the free surface shape have been numerically predicted by CFD for an under-baffled agitated vessel during the stopping phase of the agitator, including the inertial period after the agitator has completely stopped.
Fletcher, David F., Lasuye, Thierry, Torré, Jean-Philippe, Xuereb, Catherine   +3 more
core   +3 more sources

CFD Simulation of Polydispersed Bubbly Two-Phase Flow around an Obstacle

Science and Technology of Nuclear Installations, 2009
This paper concerns the model of a polydispersed bubble population in the frame of an ensemble averaged two-phase flow formulation. The ability of the moment density approach to represent bubble population size distribution within a multi-dimensional CFD
E. Krepper, P. Ruyer, M. Beyer, D. Lucas, H.-M. Prasser, N. Seiler   +5 more
doaj   +1 more source

Компьютерное моделирование горения природного газа в горелке ГПС-0,4 [PDF]

, 2016
В работе представлено компьютерное моделирование работы топливосжигающего устройства ГПС-0,4. Исследование производилось с помощью программной системы ANSYS. Для моделирования горения в пакете ANSYS использовался модуль ANSYS CFX.
Бобров, К. О., Лошкарев, А. Н.   +1 more
core  

Heat transfer in a recirculation zone at steady-state and oscillating conditions - the back facing step test case [PDF]

, 2008
Steady state and transient heat transfer is a very important aspect of any combustion process. To properly simulate gas to wall heat transfer in a turbulent flow, an accurate prediction of the flow and the thermal boundary layer is required.
Kok, J.B.W., Meer, T.H. van der, Panara, D., Pozarlik, A.K.   +3 more
core   +1 more source

Head prediction of centrifugal pump impeller using boundary-element method [PDF]

, 2016
У роботі виконано прогнозування напірної характеристики робочого колеса відцентрового насоса. Результати чисельного експерименту на основі методу граничних елементів порівнюються з раніше отриманими результатами розрахунків в Ansys CFX і результатами ...
Davidenko, A., Khatuncev, A., Давиденко, Андрей Константинович, Хатунцев, Андрей Юрьевич   +3 more
core   +1 more source

Mathematical Modelling and Numerical Analysis of Turbulence Models (In a Two-Stage Laboratory Turbine)

Algorithms
This paper presents a mathematical modeling and numerical analysis of fluid-thermal processes in a two-stage steam turbine cascade, focusing on the application and comparative assessment of turbulence models in computational fluid dynamics (CFD ...
Vesna Antoska Knights, Tatjana Atanasova-Pacemska, Jasenka Gajdoš Kljusurić   +2 more
doaj   +1 more source

Simulation of Flow Characteristics Over Semi Cylindrical Weirs Using Ansys CFX Numerical Model [PDF]

مهندسی منابع آب, 2017
Weirs are the most important and very applicable barriers built across channels to control the flow of water or change its direction. They are also widely used in current measurement in open channels and many hydraulic engineering studies.
Hojat Karami, Saeed Farzin, Ali Heydari, Khosrow Hosseini   +3 more
doaj  

Coupling a model of human thermoregulation with computational fluid dynamics for predicting human-environment interaction [PDF]

, 2010
This paper describes the methods developed to couple a commercial CFD program with a multi-segmented model of human thermal comfort and physiology. A CFD model is able to predict detailed temperatures and velocities of airflow around a human body, whilst
Cook M. J., Dusan Fiala, Fanger P. O., Fiala D., Fiala D., Fiala D., Gagge A. P., Gagge A. P., Malcolm Cook, Paul C. Cropper, Rehan Yousaf, Stolwijk J. A.J., Tong Yang, Van Treeck C., Versteeg H. K., Zhang H., Zhang Y.   +16 more
core   +2 more sources

CAVITATION IN CENTRIFUGAL PUMPS

Diyala Journal of Engineering Sciences, 2010
Design, operation and refurbishment of centrifugal pumps are strongly related to cavitation flow phenomena, which may occur in either the rotating runner-impeller or the stationary parts of the centrifugal pumps.
Mohammed Khudhair Abbas
doaj