第25卷第1期2008年2月航天器环境工程SPACECRAFTENVIRONMENTENGINEERING33结构热试验中冷壁热流边界模拟方法研究王智勇,巨亚堂,黄世勇(北京强度环境研究所,北京100076)摘要:在结构热试验中,由于受试验手段的限制,对
Aside, close to the sample (a thin Pd cathode and wall of a specially designed electrolyser), a system for detection of charged particles (two MWPC with He-CH4 gas mixture and a thin CsI scintillator) can be [used] to measure dE/dx and E (<4% resolution of the final reconstructed ...
Heat transferA cylindrical cooled probe (cold-finger placed in cross-flow) has been used to investigate fouling in the off-gas duct located upstream from the gas cleaning system during primary aluminium production. Hard scale was formed on the front side of the probe whereas loose deposits ...
condition of heat generated by Joule effect in the wall. By neglecting the changes in the local wall resistivity due to the cold working process, changes in the geometry and the effect of heat conduction in the wall, this h 这个设定在墙壁准许调查管的热传递表现在焦耳作用引起的热的被规定的...
1) critical heat flux modified coldwall factor 临界热流密度冷壁修正因子 2) critical heat flux modified shape factor 临界热流密度形状修正因子 3) critical heat flux modified spacer factor 临界热流密度定位架修正因子 4) critical heat flux modified spacer factor ...
This results in burning marks, significant insulation wall thickness differences, but also hot melt adhesives and mastics that are not activated due to lack of heat through the heat shrink material. Once a heat shrink accessory is installed, it must not be bent because the seal could be ...
The narrow resonance level is just like a tiny crack in a brick wall. It cannot be detected by a screw driver (ion beam), but it can be detected by a needle (confined ion). However, a bunch of needles (ion energy band) will have much more chance to detect this tiny crack. ...
Ho,C.J.,Lin,Y.H.Natural convection of cold water in a vertical annulus with constant heat flux on the inner wall. Journal of Heat Transfer . 1990C.J. Ho, Y.H. Lin, Natural convection of cold water in a vertical annulus with constant heat flux on the inne...
(a) Effect of diameter on Charging behaviour of CPCM and (b) Charging rate and wall heat flux realized in various diameters at different wall temperatures [74]. Nie et al. (2021) [75] investigated a portable PCM box for cold chain transportation presentations. As shown in Figure 30, a...
The dynamic insulation efficiency, ε, is defined as the quota of the heat flux that enters through the outer surface of the façade in the hot season during the cooling period: 𝜀=𝑄˙𝑟𝑄˙𝑖𝑛𝑐ε=Q˙rQ˙inc (2) where 𝑄˙𝑟Q˙r is the heat flux removed by the...