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RISValidation of a Numerical Quasi-One-Dimensional Model for Wave Rotor Turbines With Curved Channels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A wave rotor is a shock-driven pressure exchange device that, while relatively rarely studied or indeed, employed, offers significant potential efficiency gains in a variety of applications including refrigeration and gas ...
Experimental and Computational Analysis of Additive Manufactured Augmented Backside Liner Cooling Surfaces for Use in Micro-Gas Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Augmented backside cooling refers to the enhancement of the backside convection of a combustor liner using extended heat transfer surfaces to fully utilize the cooling air by maximizing the heat transfer to pumping ratio ...
Optimization of a Radial Turbine for Pulsating Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A turbocharger turbine is exposed to pulsating flow conditions when it is connected to an engine exhaust system due to the opening and closing of the exhaust valves. However, many radial turbines are designed and tested ...
The Benefits of an Inverted Brayton Bottoming Cycle as an Alternative to Turbocompounding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The exhaust gas from an internal combustion engine contains approximately 30% of the thermal energy of combustion. Waste heatrecovery systems aim to reclaim a proportion of this energy in a bottoming thermodynamic cycle ...
A Method of Map Extrapolation for Unequal and Partial Admission in a Double Entry Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a method for prediction of the unequal admission performance of a double entry turbine based on the full admission turbine maps and a minimal number of unequal admission points. The double entry turbine ...
Comparison Between the Steady Performance of Double Entry and Twin Entry Turbocharger Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Most boosting systems in internal combustion engines utilize “pulse turbocharging†to maximize the energy extraction by the turbine. An internal combustion engine with more than four cylinders has a significant overlap ...
Fuel Efficiency Optimization for a Divided Exhaust Period Regulated Two Stage Downsized Spark Ignition Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In our previous paper, a new gas exchange concept termed divided exhaust period regulated twostage (DEP R2S) system has been proposed. In this system, two exhaust valves in each cylinder are separately functioned with one ...
Modeling and Simulation of an Inverted Brayton Cycle as an Exhaust-Gas Heat-Recovery System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The exhaust gas from an internal combustion engine contains approximately 30% of the thermal energy of combustion. The exhaust-gas heat-recovery systems aim to reclaim a proportion of this energy in a bottoming thermodynamic ...
Inverted Brayton Cycle With Exhaust Gas Condensation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Approximately 30% of the energy from an internal combustion engine is rejected as heat in the exhaust gases. An inverted Brayton cycle (IBC) is one potential means of recovering some of this energy. When a fuel is burnt, ...
Experimental Investigation of an Inverted Brayton Cycle for Exhaust Gas Energy Recovery
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Exhaust gases from an internal combustion engine (ICE) contain approximately 30% of the total energy released from combustion of the fuel. In order to improve fuel economy and reduce emissions, there are a number of ...