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
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Insight into High-quality Aerodynamic Design Spaces through Multi-objective Optimization [PDF]
, 2008 An approach to support the computational aerodynamic design process is presented and demonstrated through the application of a novel multi-objective variant of the Tabu Search optimization algorithm for continuous problems to the aerodynamic design ...
Clarkson, P. J. +5 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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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
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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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Unsteady stator/rotor interaction [PDF]
The major thrust of the computational analysis of turbomachinery to date has been the steady-state solution of isolated blades using mass-averaged inlet and exit conditions.
Chima, Rodrick V. +1 more
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Space shuttle main engine: Interactive design challenges [PDF]
, 1985 The operating requirements established by NASA for the SSME were considerably more demanding than those for earlier rocket engines used in the military launch vehicles or Apollo program.
Mccarty, J. P., Wood, B. K.
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Computer program simplifies design of rotating components of turbomachinery [PDF]
, 1967 Digital computer program performs stress analysis and burst speed calculations on rotating axisymmetric turbomachinery components. The computer printout contains the displacement of each nodal point, the stress at the center of each element, the average ...
Lefevre, J. C.
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An applicational process for dynamic balancing of turbomachinery shafting [PDF]
The NASA Lewis Research Center has developed and implemented a time-efficient methodology for dynamically balancing turbomachinery shafting. This methodology minimizes costly facility downtime by using a balancing arbor (mandrel) that simulates the ...
Verhoff, Vincent G.
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OPTIMIZATION OF TIP SEAL WITH HONEYCOMB LAND IN LP COUNTER ROTATING GAS TURBINE ENGINE
TASK Quarterly, 2010 The goal of the presented work is an optimization of the geometrical configuration of the tip seal with a honeycomb land, to reduce the leakage flow in the counter-rotating LP turbine of a contra-rotating open rotor aero-engine.
WŁODZIMIERZ WRÓBLEWSKI +3 more
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