Results 21 to 30 of about 1,084,951 (305)

Measuring the Rate of Heat Loss Across Selected Building Materials

open access: yesUndergraduate Journal of Mathematical Modeling: One + Two, 2020
The rate of heat loss is analyzed for three materials: glass, brick and wood. To do this, the initial and final temperatures are set to 75℉ and 100℉, respectively, and the dimensions of each material are chosen to be 5ft by 5ft with a thickness of 2 ...
Genesis Zambrano
doaj   +1 more source

Analytical Solution of Stationary Coupled Thermoelasticity Problem for Inhomogeneous Structures

open access: yesMathematics, 2021
A mathematical statement for the coupled stationary thermoelasticity is given on the basis of a variational approach and the contact boundary problem is formulated to consider inhomogeneous materials.
Sergey A. Lurie   +2 more
doaj   +1 more source

Effects of the Nanostructural Geometry at a Liquid-Solid Interface on the Interfacial Thermal Resistance and the Liquid Molecular Non-Equilibrium Behaviors

open access: yesJournal of Thermal Science and Technology, 2011
The effects of the structural geometry at the nanometer scale on the thermal resistance at a liquid molecule-solid interface, as well as the interfacial energy transport mechanism of liquid molecules, were investigated directly by the nonequilibrium ...
Masahiko SHIBAHARA, Taku OHARA
doaj   +1 more source

Investigations on Kapok/Polypropylene Needle Punched Nonwoven for Thermal Resistance Applications

open access: yesJournal of Natural Fibers, 2023
This paper describes a study of a nonwoven sample constructed of kapok/polypropylene used as a thermal insulation layer in cold weather. The needle punching technique was used to create three nonwoven fabrics with varying kapok/polypropylene blend ratios
Ramamoorthi Thenmozhi   +1 more
doaj   +1 more source

Analysis of heat transfer of variable conductance heat pipe for waste heat recovery of mine return air

open access: yesMeikuang Anquan, 2021
The variable conductance heat pipe(VCHP) is used to solve the problem of uncontrollable heat exchange of heat pipe for waste heat recovery of mine return air.
LU Yingzuo, BAO Lingling, LUO Jinghui, WANG Jinggang
doaj   +1 more source

Electromagnetic water treatment in the water recycling system

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
In this article discusses the electromagnetic treatment of water as one of the nonchemical ways to reducing the amount of scum and increasing cooling efficiency of hot gas flows.
D. M. Runov, A. G. Laptev
doaj   +1 more source

Experimental and Theoretical Study on Operation Characteristics of an Oscillating Heat Pipe

open access: yesApplied Sciences, 2023
An oscillating heat pipe (OHP) is an effective heat transfer device for the thermal management of electronic devices. However, the heat transfer mechanism of the OHP was not fully understood due to its complicated operation characteristics. In this paper,
Yunzhi Ling   +4 more
doaj   +1 more source

Progress in and prospects for electrical insulating materials

open access: yesHigh Voltage, 2016
The performance of electrical equipment and devices is determined to a great extent by the properties of their insulating materials. In power systems and electrical devices, insulating materials have to work in extreme circumstances that can include high
Shengtao Li, Shihu Yu, Yang Feng
doaj   +1 more source

A New Method of Building Envelope Thermal Performance Evaluation Considering Window–Wall Correlation

open access: yesEnergies, 2023
This study proposes a new method to accurately evaluate the overall building envelope thermal performance considering the window–wall correlation, providing a new tool for building thermal design.
Zhengrong Li   +3 more
doaj   +1 more source

Tuning thermal transport in graphene via combinations of molecular antiresonances [PDF]

open access: yes, 2018
We propose a method to engineer the phonon thermal transport properties of low dimensional systems. The method relies on introducing a predetermined combination of molecular adsorbates, which give rise to antiresonances at frequencies specific to the ...
Sevim, Koray, Sevinçli, Hâldun
core   +2 more sources

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