Results 51 to 60 of about 335,857 (199)

Effect of stress and temperature on the optical properties of silicon nitride membranes at 1550 nm [PDF]

, 2018
Future gravitational-wave detectors operated at cryogenic temperatures are expected to be limited by thermal noise of the highly reflective mirror coatings. Silicon nitride is an interesting material for such coatings as it shows very low mechanical loss,
Angus S. Bell, Iain W. Martin, James Hough, Jessica Steinlechner, Jessica Steinlechner, Mark Fletcher, Roman Schnabel, Sheila Rowan, Simon Tait   +8 more
core   +2 more sources

Laboratory thermal conductivity measurements on gravel sample

Acque Sotterranee - Italian Journal of Groundwater, 2018
Modern Ground Source Heat Pumps (GSHPs) systems must be designed by taking into account the ground thermal properties, in order to properly plan the capability of the heat pumps to transfer calories through the Ground Source Heat Exchangers (GSHE) to the subsoil (and vice versa). [...]
Galgaro A.[1, 3], Cultrera M.[1], Dalla Santa G.[1], Peron F.[2]   +4 more
openaire   +4 more sources

First-principles study of lattice thermal conductivity of Td–WTe2

New Journal of Physics, 2016
The structural and thermal properties of bulk Td–WTe _2 have been studied by using first-principles calculations based on the simple Klemens model and an iterative self-consistent method. Both methods show that lattice thermal conductivity is anisotropic,
Gang Liu, Hong Yi Sun, Jian Zhou, Qing Fang Li, Xian-Gang Wan   +4 more
doaj   +1 more source

Experimental Investigation on the Thermal Conductivity and Viscosity of ZnO Nanofluid and Development of New Correlations [PDF]

Transport Phenomena in Nano and Micro Scales, 2014
In this paper, the measurement of the viscosity of ZnO in ethylene glycol, propylene glycol, mixture of ethylene glycol and water (60:40 by weight), and a mixture of propylene glycol and water (60:40 by weight) and the thermal conductivity in ethylene ...
S. Akbarzadeh, M. Farhadi, K. Sedighi, M. Ebrahimi   +3 more
doaj   +1 more source

An accurate steady-state approach for characterizing the thermal conductivity of Additively manufactured polymer composites

Case Studies in Thermal Engineering, 2022
This study investigates the accuracy of the steady-state meter bar implementation of ASTM D5470, popularly used to measure the thermal conductivity of 3D-printed polymers and polymer composites manufactured using fused filament fabrication (FFF). We show
Ahmed Elkholy, Roger Kempers
doaj   +1 more source

High temperature thermoelectric efficiency in Ba8Ga16Ge30 [PDF]

, 2008
The high thermoelectric figure of merit (zT) of Ba8Ga16Ge30 makes it one of the best n-type materials for thermoelectric power generation. Here, we describe the synthesis and characterization of a Czochralski pulled single crystal of Ba8Ga16Ge30 and ...
Christensen, M., Iversen, B. B., Snyder, G. Jeffrey, Toberer, Eric S.   +3 more
core   +1 more source

Recent Development in the Investigation on Thermal Conductivity of Silicate Melts

High Temperature Materials and Processes, 2012
Accurate values of thermal conductivity of the silicate melts systematically measured as a function of chemical composition are necessary to understand a mechanism of heat transfer in the silicate melts.
Hasegawa Hiroki, Ohta Hiromichi, Shibata Hiroyuki, Waseda Yoshio   +3 more
doaj   +1 more source

Thermal Transport in Extremely Confined Metallic Nanostructures: TET Characterization

Nanomaterials, 2022
In recent years, the continuous development of electronic chips and the increasing integration of devices have led to extensive research on the thermal properties of ultrathin metallic materials.
Huan Lin, Fuhua Shen, Jinbo Xu, Lijun Zhang, Shen Xu, Na Liu, Siyi Luo   +6 more
doaj   +1 more source

The Importance of Suspension Stability for the Hot-wire Measurements of Thermal Conductivity of Colloidal Suspensions. [PDF]

, 2007
The development of advanced heat transfer fluids with enhanced thermal conductivity is essential to improve the effective heat transfer behavior of conventional coolants.
Chiesa, M., Simonsen, A. J.
core  

Influence of heat loss through probe electrical leads on thermal conductivity measurement with TPS method

Journal of Measurement Science and Instrumentation, 2018
The transient plane source（TPS）method is developed recently to measure the thermal conductivity of materials.In the measurement,the heating power is influenced by the heat which is transferred via the probe electrical leads.This fact further influences ...
WANG Yu-wei, LI Yan-ning
doaj