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Sound Absorption Optimization of Graded Semi Open Cellular Metals by Adopting the Genetic Algorithm Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Built upon the acoustic impedance of circular apertures and cylindrical cavities as well as the principle of electroacoustic analogy, an impedance model is developed to investigate theoretically the sound absorption ...
Mechanisms of Enhanced Cooling by Sidewall Modification in a Microtube Cold Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The thermofluidic effectiveness of a microtube cold plate with sidewall modification has been disputed. This study settles the dispute by detailing how such sidewall modification—hemi-circular cavities arranged along a ...
Dynamic Crushing of All Metallic Corrugated Panels Filled With Close Celled Aluminum Foams
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Under quasistatic uniaxial compression, inserting aluminum foams into the interstices of a metallic sandwich panel with corrugated core increased significantly both its peak crushing strength and energy absorption per unit ...
Heat Transfer and Pressure Drop Characteristics of Finned Metal Foam Heat Sinks Under Uniform Impinging Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical investigation was carried out to characterize the thermal performance of finned metal foam heat sinks subject to an impinging air flow. The main objective of the study was to quantify the effects of all relevant ...
Heat Transfer Characteristics of an Inclined Impinging Jet on a Curved Surface in Crossflow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study reports on heat transfer characteristics on a curved surface subject to an inclined circular impinging jet whose impinging angle varies from a normal position خ¸â€‰= 0 deg to خ¸â€‰= 45 deg at a fixed jet ...
Progress Toward Modeling and Optimization of Sustainable Machining Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The topic of sustainable machining has in recent times emerged as a significant and impactful area of research focus as it directly deals with environmental health and protection, economic growth and prosperity, and societal ...
Thermofluidic Characteristics of a Porous Ventilated Brake Disk
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We introduce a new class of ventilated brake disk which incorporates an open cellular core: wirewoven bulk diamond (WBD). Transient and steadystate thermofluidic characteristics are presented. As reference, a commercially ...
Impingement Cooling by Multiple Asymmetric Orifice Jets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study presents impingement cooling from a flat plate by multiple asymmetric jets. Such jets are discharged through blunt-edge inline orifice holes with a thickness-to-diameter ratio of t/Dj = 0.5 and a jet-to-jet ...