Results 21 to 30 of about 402,137 (316)

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

Novel method on thermal resistance prediction and thermo-physiological comfort of socks in a wet state

open access: yes, 2020
The present study proposes a novel method to measure the thermal resistance and comfort properties of various sock samples under wet conditions. Theoretically, comfort properties are responsible for transporting moisture by our body with different rates.
Hes, Luboš   +3 more
core   +1 more source

Comparison of two different models for pile thermal response test interpretation [PDF]

open access: yes, 2014
Thermal response tests (TRTs) are regularly used to characterise the thermal resistance of borehole heat exchangers and to assess the thermal conductivity of the surrounding ground.
Loveridge, F.A.   +8 more
core   +1 more source

Pile heat exchangers: thermal behaviour and interactions [PDF]

open access: yes, 2013
Thermal piles – that is structural foundation piles also used as heat exchangers as part of a ground energy system – are increasingly being adopted for their contribution to more sustainable energy strategies for new buildings.
Loveridge, F.A.   +3 more
core   +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

Thermal Conductivity of Carbon Nanotubes and their Polymer Nanocomposites: A Review [PDF]

open access: yes, 2011
Thermally conductive polymer composites offer new possibilities for replacing metal parts in several applications, including power electronics, electric motors and generators, heat exchangers, etc., thanks to the polymer advantages such as light weight ...
Fina, Alberto   +3 more
core   +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

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