Ultrasonic velocity measurements in supercritical jet fuel
作者： Sriram Natarajan , Theodore W. Randolph
DOI: 10.1016/S0896-8446(97)00017-X
关键词: Mixing (process engineering) 、 Chemistry 、 Methylcyclohexane 、 Equation of state 、 Thermodynamics 、 Supercritical fluid 、 Jet fuel 、 Endothermic process 、 Bar (unit) 、 Ultrasonic sensor
摘要: Abstract For advanced engine and heat-exchanger design, it is essential to know the critical points of fuel fuel-product mixtures. Ultrasonic velocity measurements provide critical-point information, can also be used obtain compressibilities. A novel system has been designed constructed measure velocities sound at temperatures up 400 °C pressures 300 bar. quartz crystal generate receive ultrasonic waves. Methylcyclohexane as a model for new endothermic fuels, have measured methylcyclohexane mixtures benzene. Experimental are compared values calculated from Benedict-Webb-Rubin equation state, corresponding-states principle, mixing rules.
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