Results 1 to 10 of about 37,008,848 (268)
Measurement of reed valve kinematics
EPJ Web of Conferences, 2016 The measurement of key kinematic parameters of a reed valve movement is necessary for the further development of the reed valve system. These parameters are dependent on the geometry and material properties of the valve.
Fenkl Michael +2 more
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IEEE Access, 2018 Pulmonary valve diseases in children and adults include different degrees of stenosis, regurgitation, or congenital defects. Valve repair or replacement surgery is used to treat valvular dysfunction and to improve regurgitations flow for pulmonary valve ...
Chung-Dann Kan +6 more
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Design and flow field characterization of safety valves based on the Laval principle
Mechanics & IndustryThis paper designs a new type of safety valve suitable for ultra-supercritical conditions and analyzes its flow field characteristics through numerical simulation.
Wang Lisong +7 more
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Dynamic Characteristics Analysis of Power Shift Control Valve
Advances in Mechanical Engineering, 2014 In order to study the influence that dynamic performance of shift control valve has on shifting process of construction machinery, the paper introduces working principle of the shift control valve and sets up the dynamically mathematical model and ...
Feng Ren +5 more
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In-line valve condition assessment by transient analysis
Water-Energy NexusNegligently partially closed in-line valves in pipes cause undesirable minor head losses that reduce the carrying capacity and increase operating costs attributable to energy consumption.
Zhihong Long +4 more
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A Real-Time Intelligent Valve Monitoring Approach through Cameras Based on Computer Vision Methods
SensorsAbnormal valve positions can lead to fluctuations in the process industry, potentially triggering serious accidents. For processes that frequently require operational switching, such as green chemical processes based on renewable energy or ...
Zihui Zhang +4 more
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Method of analytical definition of anti-blast valves with membrane for overpressure regulation
Vojnotehnički Glasnik, 1999 The paper gives an original method of analytical definition of anti-blast waives with membrane for the protection against pressure penetration due to nuclear explosion direct ABWs (air-blast waves).
Dragan M. Knežević
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Two-port equivalent circuit model for UHVDC converter valves
CSEE Journal of Power and Energy Systems, 2019 UHVDC converter valves during operation may experience overvoltage, which come from the AC or DC systems to which they are connected. Therefore, building an equivalent circuit model (ECM) for the converter valve to analyze the interlayer transient ...
Ning Chen +5 more
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A PAPER-BASED MICROFLUIDIC ANALYTICAL DEVICE WITH A HIGHLY INTEGRATED ON-CHIP VALVE FOR AUTONOMOUS ELISA [PDF]
2022 IEEE 35th International Conference on Micro Electro Mechanical Systems Conference (MEMS), 2022 Cai, Tianyu +9 more
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Study on the Influence of Inconsistent Valve Parameters on LCC-HVDC Commutation and Operation
IEEE Access, 2019 Line commutated converter high voltage direct current (LCC-HVDC) transmission has unique advantages and plays an irreplaceable role in the power system. It is of great significance to study the commutation process.
Yanyong Yang, Pinjia Zhang
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