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RISFirst Principles and Finite Element Predictions of Radiative Properties of Nanostructure Arrays: Single Walled Carbon Nanotube Arrays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent advances in nanofabrication technology have facilitated the development of arrays of nanostructures in the classical or quantum confinement regime, e.g., singlewalled carbon nanotube (SWCNT) arrays with longrange ...
Conduction in Jammed Systems of Tetrahedra
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Control of transport processes in composite microstructures is critical to the development of highperformance functional materials for a variety of energy storage applications. The fundamental process of conduction and its ...
Accurate Thermal Diffusivity Measurements Using a Modified Ångström's Method With Bayesian Statistics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work reports a custom instrument that employs a modified Ångström's method to measure the thermal diffusivity of foil-like materials in which heat propagates in one dimension. This method does not require a semi-infinite ...
Design and Validation of a High Temperature Thermal Interface Resistance Measurement System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to measure thermal interface resistance (TIR) at temperatures up to 700 آ°C, a test apparatus based on two copper 1D reference bars has been developed. Design details are presented with an emphasis on how the ...
Combined Microstructure and Heat Conduction Modeling of Heterogeneous Interfaces and Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heterogeneous materials are becoming more common in a wide range of functional devices, particularly those involving energy transport, conversion, and storage. Often, heterogeneous materials are crucial to the performance ...
Modeling of Supercritical CO2 Shell-and-Tube Heat Exchangers Under Extreme Conditions: Part II: Heat Exchanger Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heat exchangers play a critical role in supercritical CO2 Brayton cycles by providing necessary waste heat recovery. Supercritical CO2 thermal cycles potentially achieve higher energy density and thermal efficiency operating ...
Modeling of Supercritical CO2 Shell-and-Tube Heat Exchangers Under Extreme Conditions. Part I: Correlation Development
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High-temperature supercritical CO2 Brayton cycles are promising possibilities for future stationary power generation and hybrid electric propulsion applications. Heat exchangers are critical components in supercritical CO2 ...
Experimental Characterization of Capillary Fed Carbon Nanotube Vapor Chamber Wicks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The thermal performance of passive vapor chamber heat spreaders can be improved by enhancing evaporation from the internal wick structure. A wick structure that integrates conventional copper screen mesh and carbon nanotubes ...
Combined Microstructure and Heat Transfer Modeling of Carbon Nanotube Thermal Interface Materials1
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A microstructuresensitive thermomechanical simulation framework is developed to predict the mechanical and heat transfer properties of vertically aligned CNT (VACNT) arrays used as thermal interface materials (TIMs). The ...
A Letter to the Members of the Heat Transfer Community
Publisher: The American Society of Mechanical Engineers (ASME)