翻訳と辞書 Words near each other ・ Thermal death time ・ Thermal decomposition ・ Thermal degradation of polymers ・ Thermal depolymerization ・ Thermal design power ・ Thermal desorption ・ Thermal desorption spectroscopy ・ Thermal destratification ・ Thermal diffusion ・ Thermal diffusivity ・ Thermal diode ・ Thermal dissolution ・ Thermal dose unit ・ Thermal effective mass ・ Thermal efficiency ・ Thermal effusivity ・ Thermal ellipsoid ・ Thermal Emission Imaging System ・ Thermal Emission Spectrometer ・ Thermal emittance ・ Thermal energy ・ Thermal energy storage ・ Thermal engineering ・ Thermal entrance length ・ Thermal equator ・ Thermal equilibrium ・ Thermal expansion ・ Thermal expansion coefficients of the elements (data page) ・ Thermal expansion valve ・ Thermal fade Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Thermal effusivity ： ウィキペディア英語版 Thermal effusivity In Thermodynamics, the thermal effusivity of a material is defined as the square root of the product of the material's thermal conductivity and its volumetric heat capacity.〔http://www.evitherm.org/default.asp?ID=277〕 :$e\; =\; ^$ Here, k is the thermal conductivity, $\backslash rho$ is the density and $c\_p$ is the specific heat capacity. The product of $\backslash rho$ and $c\_p$ is known as the volumetric heat capacity. A material's thermal effusivity is a measure of its ability to exchange thermal energy with its surroundings. If two semi-infinite bodies initially at temperatures T1 and T2 are brought in perfect thermal contact, the temperature at the contact surface Tm will be given by their relative effusivities.〔H. D. Baehr and K. Stephan, ''Wärme- und Stoffübertragung 4. Auflage'', Springer, (2004), p 172, ISBN 3-540-40130-X〕 :$T\_m\; =\; T\_1\; +\; (T\_2-T\_1)$ This expression is valid for all times for semi-infinite bodies in perfect thermal contact. It is also a good first guess for the initial contact temperature for finite bodies. Direct measurement of thermal effusivity be performed via specialty sensors, as pictured to the right. ==See also == * heat capacity * heat equation * laser flash analysis * specific heat capacity * thermal conductivity * thermal diffusivity * thermal inertia 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Thermal effusivity」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.