positive-displacement compressor

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positive-displacement compressor [′päz·əd·iv dis¦plās·mənt kəm‚pres·ər]

(mechanical engineering)

A compressor that confines successive volumes of fluid within a closed space in which the pressure of the fluid is increased as the volume of the closed space is decreased.

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No references found			The main contribution of this work is the simultaneous optimization of chiller and distribution system operation over a wide range of lift and capacity fraction using a new semi-empirical positive-displacement compressor model and first-principles models of most of the other components. Efficient low-lift cooling with radiant distribution, thermal ... by Armstrong, P.R.; Jiang, W.; Winiarski, D.; Katipamula, S.; Norford, L.K.; Willingham, R.A. / HVAC & R Research			positive ore Positive Organ positive part positive pedal curve positive phase sequence positive photokinesis positive phototaxis positive pole Positive Process positive ray positive real function Positive Relief form positive semidefinite positive series positive shoreline positive sign positive skewness positive temperature coefficient positive terminal positive transfer positive transmission positive vetting positive with respect to a signed measure positive zero positive-displacement positive-displacement compressor Positive-Displacement Hydraulic Drive positive-displacement meter positive-displacement pump positive-grid oscillator positive-ion sheath positive-phase-sequence relay Positivism Positron positron camera positron depth profiling positron emission positron emission spectroscopy positron emission tomography Positronium positronium velocity spectroscopy POSIX POSIX-based Poska, Dionizas Poslukh Posmitnyi, Makar Posmitnyi, Makar Anisimovich Posner, Richard A. Posner, Richard Allen Posnikov, Aleksandr Posnikov, Aleksandr Sergeevich			positive transmission Positive Turnaround Control Point Positive variation positive very large move positive vetting positive vetting Positive Vibrations Youth Steel Orchestra Positive Vision Network Positive volume index Positive volume index Positive volume index Positive Vorticity Advection positive with respect to a signed measure Positive Women Leaders of Uganda Positive Women of Hope Organization Positive Word-of-Mouth Positive Work Environment Positive yield curve Positive Yield Curves Positive youth development Positive Youth Initiative positive zero Positive, Proactive, Organized, Flexible and Focused Positive-Channel Metal Oxide Semiconductor Positive-channel, Negative-channel junction Positive-Definite Toeplitz Matrix positive-displacement positive-displacement compressor Positive-Displacement Hydraulic Drive positive-displacement meter Positive-displacement pump Positive-displacement pump Positive-displacement pump Positive-Electrolyte-Negative Positive-End Airway Pressure Positive-Going Transition positive-grid oscillator Positive-Intrinsic-Negative Positive-Ion Chemical Ionization positive-ion sheath positive-negative pressure breathing Positive-Negative-Positive Positive-Negative-Positive-Negative positive-phase-sequence relay Positive-Pressure Mechanical Ventilation Positive-Referenced Emitter Coupled Logic Positive-sense RNA Positive-sense RNA Positive-sense RNA Positive-sense ssRNA virus Positive-sense ssRNA virus Positive-sense virus Positive-sense virus Positive-Youth Foundation Positive/Negative positively positively positively

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