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Deployment Dynamics and Control of a Hub-Spoke Tethered Satellite Formation Using Combined Arbitrary Lagrange-Euler and Referenced Nodal Coordinate Formulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel modeling framework combining arbitrary Lagrange-Euler and referenced nodal coordinate formulation (ALE-RNCF) is proposed for deployment dynamics and control of a hub-spoke tethered satellite formation. The ALE-RNCF ...
Experimental and Numerical Investigations on the Heat Transfer of Film Cooling With Cylindrical Holes Fed With Internal Coolant Cross Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The heat transfer coefficient of cylindrical holes fed by varying internal cross-flow channels with different cross-flow Reynolds numbers Rec is experimentally studied on a low-speed flat-plate facility. Three coolant cross ...
Experimental Study on the Film-Cooling Characteristics of the Cylindrical Holes Embedded in Sine-Wave Shaped Trench
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation has been performed to study the film-cooling performance of the cylindrical holes embedded in the sine-wave-shaped-trench. The sine-wave-shaped-trench is obtained by changing the trailing edge ...
Experimental Study of Outflow Effects in a Rotating Turbulated Channel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The three-pass turbulated serpentine channel has many applications in internal turbine blade systems. However, the studies on the effects of the outflow ratio are lacking, which decreases the thermal analysis accuracy in ...
Experimental Study on Film Cooling Effectiveness of Blade With Chevron-Shaped Holes Under Wake Influence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gas turbines have been widely used. With the continuous improvement of the performance of gas turbines, the turbine inlet temperature has greatly exceeded the heat-resistance limit of the turbine blade material, so advanced ...
Numerical Study on Particles Deposition in the U-bend Ribbed Passage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The accumulation of particles in the internal cooling channel reduces the cooling effectiveness of the turbine blades and even affects the safe operation of the aero engine. Discrete phase-CFD simulations of particles ...
Superposition Effect of the Leading Edge Film on the Downstream Film Cooling of a Turbine Vane Under Combustor Swirling Outflow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To investigate the superposition effect of the leading edge (LE) film on the downstream film cooling under swirling inflow, numerical simulations with three vane models (vane with films on the leading edge only, vane with ...
Numerical and Experimental Study on the Heat Flux of Double-Wave Trench
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The film cooling characteristics of the transverse trench (TT) and the double-wave trench (DWT) were numerically studied by using Reynolds-averaged Navier–Stokes simulations with realizable k–ɛ turbulence model and enhanced ...
Experimental and Numerical Investigation on the Film Cooling of Waist-Shaped Slot Holes Comparing With Converging Slot Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film cooling performance of a new shaped hole, waist-shaped slot hole, is studied in this paper. Experimental measurement and numerical simulation are carried out to investigate the film cooling ...
Film Cooling Performance of Converging-Slot Holes With Different Exit-Entry Area Ratios
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film cooling performances of two kinds of converging-slot-hole (console) with different exit-entry area ratios have been measured using a new transient liquid crystal measurement technique, which ...
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