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RISPerformance of an Ammonia Turbofan With the Inclusion of an Optimized Bleed Air Heat Exchanger
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. With the push for decarbonization in aviation, Ammonia has emerged as a promising fuel source due to its well-established production methods, defined transportation infrastructure, and higher volumetric energy ...
Techno-Economic Evaluation of Waste Heat Recovery Systems for Industrial Decarbonization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The decarbonization of energy-intensive industries (i.e., steel and iron, cement, aluminum, and glass) is critical for the effective reduction of CO2 emissions, which is necessary due to the continually increasing ...
Pinch Point Analysis of Air Cooler in Supercritical Carbon Dioxide Brayton Cycle Operating Over Ambient Temperature Range
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The supercritical carbon dioxide Brayton power cycle is getting commercially attractive for power generation due to its numerous advantages like zero water discharge, compactness, and low environmental emission and potential ...
Investigation of Buoyancy Effects on Supercritical CO2 Heat Transfer Away From Pseudocritical Temperature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Buoyancy effects on heat transfer in supercritical CO2 flows are an interesting phenomenon that can either enhance or decrease the amount of expected heat transfer. This paper presents experimental and numerical ...
Adiabatic Film Cooling Effectiveness Measurements Throughout Multirow Film Cooling Arrays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Adiabatic film cooling effectiveness measurements are obtained using pressure-sensitive paint (PSP) on a flat film cooled surface. The effects of blowing ratio and hole spacing are investigated for four multirow arrays ...
Alternative Microturbine Fuels Feasibility Study Through Thermal Stability, Material Compatibility, and Engine Testing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Historically, gas turbine fuels have been procured based on availability and low cost criteria. However,in the past few decades, with the growing concern over the negative environmental impacts produced by emissions, ...
Flow and Heat Transfer Analysis in a Single Row Narrow Impingement Channel: Comparison of Particle Image Velocimetry, Large Eddy Simulation, and RANS to Identify RANS Limitations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present study aims to understand the flow, turbulence, and heat transfer in a single row narrow impingement channel for gas turbine heat transfer applications. Since the advent of several advanced manufacturing techniques, ...
Flow Statistics and Visualization of Multirow Film Cooling Boundary Layers Emanating From Cylindrical and Diffuser Shaped Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The research presented in this paper strives to exploit the benefits of near-wall measurement capabilities using hotwire anemometry and flowfield measurement capabilities using particle image velocimetry (PIV) for analysis ...
Measurements of the Flow in the Vicinity of an Additively Manufactured Turbine Leading-Edge Using X-Ray Particle Tracking Velocimetry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: X-ray particle tracking velocimetry (PTV) is performed, for the first time, to measure the velocity field inside a leading-edge of a turbine blade made by laser-additive-manufacturing (LAM) process. The traditional showerhead ...
Techno-Economic Analysis of a Physisorption-Based Hydrogen Storage System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Alternative long-term storage of energy is becoming increasingly important due to climate change. Hydrogen-based storage technologies have long been considered promising alternatives to batteries. However, the different ...