Results 21 to 30 of about 175,360,748 (298)
Nuclear Engineering and Technology, 2023 Pressure relief valve (PRV) is one of the important control valves used in nuclear power plants, and its sealing performance is crucial to ensure the safety and function of the entire pressure system.
Chaoyong Zong +6 more
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Design and Experimental Research of a Miniature Digital Hydraulic Valve
Micromachines, 2018 A digital hydraulic valve is an important component of the digital hydraulic system, and its performance is directly related to the system function. In order to make the valve system more competitive in dimension, digital valve miniaturization is an ...
Junhui Zhang, Meisheng Yang, Bing Xu
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Capacity Testing and Local Flow Analysis of a Geometrically Complex Trim Installed within a Commercial Control Valve [PDF]
Industrial control valves often handle flows with very high pressure drops (conditions often referred to as severe service). In order to cope with such pressure drops, geometrically complex valve trims with many stages of pressure drops, are designed to ...
Rakesh, Mishra +3 more
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A D-Shaped Bileaflet Bioprosthesis which Replicates Physiological Left Ventricular Flow Patterns. [PDF]
PLoS ONE, 2016 Prior studies have shown that in a healthy heart, there exist a large asymmetric vortex structure that aids in establishing a steady flow field in the left ventricle. However, the implantation of existing artificial heart valves at the mitral position is
Sean Guo-Dong Tan +3 more
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A Valve Design Methodology For Improved Reciprocating Compressor Performance [PDF]
, 2012 The current work directly relates valve dynamics to the compressor energy efficiency. Majority of the previous studies have focused on reducing pressure losses due to valve geometry, towards improved compressor performance.
Angadi, Shruti +4 more
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Design of a new mine-used part-turn electric valve controller
Gong-kuang zidonghua, 2016 In order to improve intelligent level of electric valve controller, a new mine-used part-turn electric valve controller was designed. The controller uses absolute digital encoding technology to achieve high precision valve position detection, and uses ...
WANG Xueming
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Design and Research of a New Thermostatic Valve
Research Journal of Applied Sciences, Engineering and Technology, 2014 This study designed a new type of intelligent thermostatic mixing valve which could keep the temperature and flux of the outlet water constant by the adaptive controller. It firstly established mathematical model of the valve about angle-flux and angle-temperature and then it applied the "Fluent" software to numerical simulation of the valve about flow
Chen Hai-Chu +3 more
openaire +1 more source
Failure Analysis and Experimental Research on the Structure of Key Parts of Safety Valves
MATEC Web of Conferences, 2019 In order to design a safety valve with a high safety factor, on the basis of theoretical calculations and ANSYS analysis, stress analysis is performed on the key components of the new nuclear A48 safety valve under open and closed conditions to detect ...
Dai Ye +4 more
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Genetic Algorithm-Based Design Optimization of Electromagnetic Valve Actuators in Combustion Engines
Energies, 2015 In this research, the design of a new electromagnetic engine valve in the limited space of combustion engine is optimized by multidisciplinary simulation using MATLAB and Maxwell. An electromagnetic engine valve actuator using a permanent magnet is a new
Seung Hwan Lee +3 more
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Applied Sciences, 2018 Bellow sealing in valves provides the characteristic of no emission sealing by extending or compressing within the elastic limit to operate the valve. To keep the motion of the bellow within the elastic limit, a long length of bellow is required, which ...
Farooq I Azam +3 more
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