Thermodynamic Analysis for a Novel Combined Power and Refrigeration Cycle Using Trans-Critical CO2
发电技术, 2018 A novel combined power and refrigeration system coupled with a trans-critical carbon dioxide (TCO2) recompression cycle and an ejector refrigeration cycle is proposed, which produces power output and refrigeration by utilizing low-grade thermal energy ...
Wenkai XIA +3 more
doaj +1 more source
Earth-to-orbit propulsion turbomachinery subsystem: Overview [PDF]
The topics presented are covered in viewgraph form. The objectives are: (1) to develop the technology related to the turbomachinery systems of high performance rocket engines, which focuses on advanced design methodologies and concepts, develops high ...
Garcia, R., Schutzenhofer, L. A.
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Experimental and Numerical Investigation of Unforced unsteadiness in a Vaneless Radial Diffuser [PDF]
, 2011 The paper reports combined experimental and numerical investigations of unforced un- steadiness in a vaneless radial diffuser. Experimental data were obtained within the diffuser using stereoscopic time resolved Particle Image Velocimetry (PIV) recording
ARDIZZON, Guido +5 more
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An algebraic model for prediction of bypass and separation-induced transition in turbomachinery boundary layers [PDF]
, 2016 An algebraic intermittency model for bypass and separation-induced transition is presented. The model modifies the production terms of a k-omega turbulence model. It uses only local variables and is tuned for turbomachinery flows.
Dick, Erik, Kubacki, Slawomir
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Influence of blade geometry on secondary flow development in a transonic centrifugal compressor
Journal of the Global Power and Propulsion Society, 2018 Due to the increasing demand for higher efficiencies of centrifugal compressors, numerical optimization methods are becoming more and more relevant in the design process.
Moritz Mosdzien +4 more
doaj +1 more source
Turbomachinery shaft insert [PDF]
An insert is presented for a hollow rotatable shaft on the end of which an impeller is mounted, the insert having a first cylindrical portion receivable within the end of the shaft. The insert includes a radially extending portion adjacent the end of the
Vonpragenau, George L.
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Aerodynamic stiffness of an unbound eccentric whirling centrifugal impeller with an infinite number of blades [PDF]
, 1982 An unbounded eccentric centrifugal impeller with an infinite number of log spiral blades undergoing synchronous whirling in an incompressible fluid is considered.
Allaire, P. E. +2 more
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Experimental and numerical study on condensation in transonic steam flow
Open Engineering, 2015 The present paper describes an experimental and numerical study of steam condensing flow in a linear cascade of turbine stator blades. The experimental research was performed on the facility of a small scale steam power plant located at Silesian ...
Majkut Mirosław +3 more
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Heat transfer from the stagnation area of a heated cylinder at Re(D) = 140,000 affected by free-stream turbulence [PDF]
, 2011 This is the post-print version of the final paper published in International Journal of Heat and Mass Transfer. The published article is available from the link below.
Ames +12 more
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Study of a regenerative pump using numerical and experimental techniques [PDF]
, 2009 Regenerative pumps are the subject of increased interest in industry as these pumps are low cost, low specific speed, compact and able to deliver high heads with stable performance characteristics.
Quail, Francis +2 more
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