搜索结果: 1-15 共查到“工学 Circulation”相关记录17条 . 查询时间(0.137 秒)
Seafloor topography influences ocean circulation in two basic ways. First, it steers ocean flows. Second, it provides barriers that prevent deep waters from mixing, except within deep passageways that...
Assessment of OSCAT winds for coastal circulation on the north western continental shelf of India
Scatterometers wind OSCAT Coastal Circulations
2014/12/16
Winds and tides are the major driving forces of the circulation in the coastal and marginal seas. Data Interpolating Variation Analysis (DIVA) method is used to generate spatial and time series data o...
三角绕流滴灌灌水器结构设计和优化(Structural Design and Optimization of Triangle Circulation Drip Irrigation Emitters)
灌水器 三角绕流 水力性能
2010/12/28
以三角绕流滴灌灌水器结构的流道单元为研究对象,利用Pro/E软件完成灌水器造型设计,结合计算流体动力学软件Fluent 6.3模拟分析流道的水力性能,研究此类灌水器的湍流特性,揭示其内部湍流流动机理,并对流道结构进行优化。根据分析结果,通过改变外部大三角的形状与内部小三角的形状和位置,对流道单元进行结构优化,得出一种流态指数小于0.5,流道内速度分布均匀,流量在滴灌允许范围内,抗堵性能优良的三角绕...
Natural Circulation in the ATUCHA-I PHWR Nuclear Power Plant
Natural Circulation the ATUCHA-I PHWR Nuclear Power Plant
2009/9/3
A systematic study of natural circulation (NC) in a postulated, varying primary mass inventory scenario at residual power fractions has been performed for a nuclear power plant operating in Argentina....
Deterministic Analysis of Natural Circulation Events at the Ignalina NPP
Natural Circulation NPP
2009/9/3
Eight main circulation pumps (MCPs) are employed for the cooling of water forced circulation through the RBMK-1500 reactor at the Ignalina nuclear power plant (NPP). These pumps are joined into groups...
Reliability Assessment of 2400 MWth Gas-Cooled Fast Reactor Natural Circulation Decay Heat Removal in Pressurized Situations
2400 MWth Gas-Cooled Fast Reactor Natural Circulation
2009/9/3
As the 2400 MWth gas-cooled fast reactor concept makes use of passive safety features in combination with active safety systems, the question of natural circulation decay heat removal (NCDHR) re...
Use of the Natural Circulation Flow Map for Natural Circulation Systems Evaluation
the Natural Circulation Flow Map Natural Circulation Systems
2009/9/3
The aim of this paper is to collect and resume the work done to build and develop, at the University of Pisa, an engineering tool related to the natural circulation. After a brief description of the d...
Numerical Analysis of General Trends in Single-Phase Natural Circulation in a 2D-Annular Loop
General Trends Single-Phase Natural Circulation
2009/9/3
The aim of this paper is to address fluid flow behavior of natural circulation in a 2D-annular loop filled with water. A two-dimensional, numerical analysis of natural convection in a 2D-annular close...
Effect of Coolant Inventories and Parallel Loop Interconnections on the Natural Circulation in Various Heat Transport Systems of a Nuclear Power Plant during Station Blackout
the Natural Circulation Various Heat Transport Systems
2009/9/3
Provision of passive means to reactor core decay heat removal enhances the nuclear power plant (NPP) safety and availability. In the earlier Indian pressurised heavy water reactors (IPHWRs), like the ...
Natural Circulation Characteristics at Low-Pressure Conditions through PANDA Experiments and ATHLET Simulations
Natural Circulation Low-Pressure PANDA Experiments
2009/9/3
Natural circulation characteristics at low pressure/low power have been studied by performing experimental investigations and numerical simulations. The PANDA large-scale facility was used to provide ...
Flow Stagnation under Single and Two-Phase Natural Circulation Conditions in the APEX-CE Test Facility
Flow Stagnation Natural Circulation Conditions the APEX-CE Test Facility
2009/9/3
Natural circulation experiments were conducted at Oregon State University using the advanced plant experiment (APEX-CE) integral system test facility as configured to simulate a typical 2×4 Combustion...
Numerical Simulations and Design Optimization of the PHT Loop of Natural Circulation BWR
Numerical Simulations Natural Circulation BWR
2009/9/3
Mathematical modeling and numerical simulation of natural circulation boiling water reactor (NCBWR) are very important in order to study its performance for different designs and various off-design co...
Effect of Loop Diameter on the Steady State and Stability Behaviour of Single-Phase and Two-Phase Natural Circulation Loops
Steady State Loop Diameter
2009/9/3
In natural circulation loops, the driving force is usually low as it depends on the riser height which is generally of the order of a few meters. The heat transport capability of natural circulation l...
It gives us great pleasure to bring out this special issue on “Natural circulation in nuclear reactor systems” which assumes special significance in the context of present energy technology scenarios....
Circulation Water Tunnel Tests on Slewing Motion of a Towed Ship in Wind
towed barge Slewing Motion
2009/3/27
This paper describes circulation water tunnel tests for investigating the wind effects on the course stability of a towed barge.