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RISSpecial Section: Memorial Festschrift for the Late Professor Frank Kreith Sunrise Delayed but the Sun Shines Brightly: The Energy-Sustainability Quandary and Legacy of Professor Frank Kreith
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The imperative of conserving energy resources, acerbated by the ever-rising global demand and consumption, has been acutely underscored by many global events in the last two decades. The cause of energy security that has ...
On the Centennial of the Academic Careers (1919–2019) of Llewellyn M. K. Boelter and William H. McAdams: American Pioneers in Heat and Mass Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the early 1900s, the heat transfer state of the art in the United States of America (U.S.) lagged far behind that in Europe, especially in Germany. The initial 35 years of the 20th century, however, saw major changes ...
Heat and Mass Transfer in Planar Anode Supported Solid Oxide Fuel Cells: Effects of Interconnect Fuel/Oxidant Channel Flow Cross Section
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heat and mass transfer in a planar anodesupported solid oxide fuel cell (SOFC) module, with bipolarplate interconnect flow channels of different shapes are computationally simulated. The electrochemistry is modeled by ...
Characterization of Twisted Tape Induced Helical Swirl Flows for Enhancement of Forced Convective Heat Transfer in Single Phase and Two Phase Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: By generating helical swirling motion inside a tube with a twistedtape insert, forced convective heat transfer is significantly enhanced. The primary mechanism entails imparting a centrifugal force component to the ...
Wetting and Capillarity Effects on Bubble Formation From Orifice Plates Submerged in Pools of Water
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental study of bubble growth from submerged orifice plates in pools of water is carried out to scale and correlate the effects of surface wettability and orifice diameter D0 on ebullience. Measurements of bubble ...
Special Issue: Innovations and Advancements in Heat & Mass Transfer: Celebrating the Legacy of Professor Ephraim M. Sparrow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The passing of Professor Ephraim M. Sparrow on Aug. 1, 2019, left a large void in the worldwide heat and mass transfer community. To many in the field, he was an intellectual giant, who famously was the “most cited” ...
New Property Averaging Scheme for Volume of Fluid Method for Two-Phase Flows With Large Viscosity Ratios
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To predict liquid–gas two-phase flow, accurate tracking of the evolving liquid–gas interface is required. Volume-of-fluid (VoF) method has been used for computationally modeling such flows where a single set of governing ...
High Power Density Thermal Energy Storage With Phase Change Material in Enhanced Compact Heat Exchangers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Performance of a novel ultracompact thermal energy storage (TES) heat exchanger, designed as a microchannel finned-tube exchanger is presented. With water as the heating–cooling fluid in the microchannels, a salt hydrate ...
Enhanced Air-Flow Forced Convection Through Metal Foams: Contrasting Compressed and Uncompressed Foams
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The influence of complex pore architecture, its characteristic length, and the contrast between compressed and uncompressed open-cell foam structures in forced convection are explored experimentally. Air-flow (Pr ∼ 0.71; ...
Thermal Energy Storage Heat Exchanger Design: Overcoming Low Thermal Conductivity Limitations of Phase-Change Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recently, there has been a renewed interest in solid-to-liquid phase-change materials (PCMs) for thermal energy storage (TES) solutions in response to ambitious decarbonization goals. While PCMs have very high thermal ...