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RISOptimization and Dynamic Modeling of Friction Losses in Reciprocating Diesel Engines With Emphasis on Rod-Crank Geometry and Ring–Cylinder Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This technical report presents a physics-based model to quantify frictional power losses in a reciprocating diesel engine, focusing on the effects of the connecting-rod-to-crank-radius ratio (L/r) and piston-ring ...
The VD007 Clean-Sheet V12 Diesel Engine: Bridging the Gap Between Diesel Efficiency and Turbine Power in Aviation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Turboshaft and turboprop engines dominate propulsion for light and medium aircraft due to their high power-to-weight ratios and operational reliability. However, their fuel efficiency at partial load remains ...
An Innovative Thermal Flow Management Approach for High-Altitude Turboshaft Test Benches
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This article presents the design concept and preliminary analytical assessment of altitude engine test benches for aircraft propulsion systems, covering piston engines up to 1000 HP and turboshaft engines up to ...
Dynamic Balancing of 60-Deg V6 Engines With Shared Crankpins Using Asymmetric Alternating Counterweights
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. V6 engine architectures inherently suffer from geometric asymmetry and dynamic imbalance, particularly in 60-deg configurations with shared crankpins. Conventional solutions rely on split-pin crankshafts or ...