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RISCavitating Flow Suppression for a Two-Phase Liquefied Natural Gas Expander Through Collaborative Fine-Turning Design Optimization of Impeller and Exducer Geometric Shape
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cryogenic liquid turbine expanders have been increasingly used in liquefied natural gas (LNG) production plants to save energy. However, high-pressure LNG commonly needs to be throttled to or near a two-phase state, which ...
Investigating the Influence of Impeller Axial Thrust Balance Holes on the Flow and Overall Performance of a Cryogenic Liquid Turbine Expander
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An excessive rotor axial thrust in any turbomachine can cause critical operational problems, and rotor axial thrust balancing has always attracted much attention. The present numerical study is focused on axial thrust ...
Enhancing Cryogenic Cavitation Prediction Through Incorporating Modified Cavitation and Turbulence Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cavitating flow prediction is essential for designing cavitation-resistant hydraulic machines. Despite the advances achieved in normal-temperature cavitation prediction, cryogenic cavitation prediction has remained a ...
Experimental Study of Operation Stability of a Spark Ignition Engine Fueled With Coal Bed Gas
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental research has been carried out on a single cylinder naturally aspirated spark ignition engine which was modified to operate with coal-bed gas fuel to investigate the method of improving operation stability and ...