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RISIsothermal Boundary Condition at Casing Applied to the Rotor 37 Transonic Axial Flow Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Computational fluid dynamics (CFD) simulations are presented with an isothermal boundary condition at the casing for running NASA Rotor 37. The casing temperature is set to the inlet total temperature. Relative to the ...
Numerical Modeling and Design Challenges of Boundary Layer Ingesting Fans
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Studies show that boundary layer ingesting (BLI) propulsion can provide significant fuel burn reduction relative to pylon-mounted turbofan engines. However, this type of propulsion can lead to serious difficulties and ...
Compressor Development for CO2-Based Pumped Thermal Energy Storage Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pumped thermal energy storage (PTES) offers a cost-effective means to store electrical energy for long duration by utilizing a heat pump cycle to transfer thermal energy from a low temperature reservoir (LTR) to a high ...
Experimental Study of the Real Gas Effects of CO2 on the Aerodynamic Performance Characteristics of a 1.5-Stage Axial Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The thermodynamic properties of CO2 do not obey the ideal gas law and the simplified equation of state. The enthalpy and sonic speed depend on both temperature and pressure whereas the enthalpy and the speed of sound of ...
An Operational Multiscale Hurricane Forecasting System
Publisher: American Meteorological Society
Abstract: The Operational Multiscale Environment model with Grid Adaptivity (OMEGA) is an atmospheric simulation system that links the latest methods in computational fluid dynamics and high-resolution gridding technologies with ...
A Dynamically Adapting Weather and Dispersion Model: The Operational Multiscale Environment Model with Grid Adaptivity (OMEGA)
Publisher: American Meteorological Society
Abstract: The Operational Multiscale Environment Model with Grid Adaptivity (OMEGA) and its embedded Atmospheric Dispersion Model is a new atmospheric simulation system for real-time hazard prediction, conceived out of a need to ...