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J. Cent. South Univ. Technol. (2008) 15(s1): 467-470 DOI: 10.1007/s11771-008-401-4 Experimental research on characteristic of start-up pressure wave propagation in gelled crude oil by large-scale... to research start-up pressure wave propagation mechanism and determine pressure wave speed in gelled crude oil pipelines accurately, experiment of Large-scale flow loop was carried out. In the experiment......
Numerical simulation of temperature field during gas preheating and start-up of drained aluminum reduction cell ZHOU Ping(周 萍)1, WANG Zhi-qi(王志奇)2, ZHOU Nai-jun(周乃君)1 1. School of Energy... of numerical simulation was applied to investigate gas preheating and start-up process in a drained aluminum reduction cell. The transient temperature and velocity fields of a 156 kA drained aluminum......
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protection were introduced. The methods of numerical simulation, theory analysis and experiment research were utilized to analyze the frozen start-up and steady state characteristic of the heat pipe as well as the machining improvement for fabricating irregularly shaped heat pipe which is suitable for leading edge of hypersonic vehicles. The results indicate that the frozen start-up time of heat pipe......
汽拖压缩机组的启动及升速曲线设定王东升1,谢涛1,张巍1(1.陕西省西安市西安陕鼓动力股份有限公司自动化技术部)摘 要:以汽拖压缩机组的启动为出发点,阐述了汽拖压缩机组的启动过程,根据旋转机械的固有特性,分析得到影响汽拖压缩机组启动,平稳升速的关键因素,结合西安陕鼓动力股份有限公司为某钢铁公司成套供货的汽拖AV90轴流压缩机组的启动实例,分析了汽轮机试车过程中出现的危险状况,有针对性地调整了机组的升速曲线,最终保证了机组安全平稳的启动,为汽拖压缩机组的启动总结出一套调整和设定升速曲线的方法.关键词......
Phenomenon and characteristics of layered start up of flat pulsating heat pipe XIAHOU Guowei1, LONG Kui1, XIE Mingfu2, KONG Fangming3 (1. School of Energy and Dynamic Engineering, Changsha University...: Considering the ambiguity of the definition of the process and parameters when flat pulsating heat pipe (FPHP) works, the start-up process of a FPHP with parallel trapezoidal microchannel was experimentally......
6061 aluminum alloy. The effects of forging start-up time on solidification, feeding, microstructure and mechanical properties of 6061 aluminum alloy were investigated. The results show... alloy closed to the lower mold are refined due to the chilling effect by the mold. When the forging start-up time is 3-4 s, the shrinkage, cracks and loose tissue can be avoided, because the forging......
; 文献标志码:A 文章编号:1672-7207(2013)03-1275-08 Start-up characteristics of integrated A/O biofilm reactor with different carrier packing rates GONG...) Abstract: Start-up characteristics of the integrated anoxic/oxic (A/O) biofilm reactor with different carrier packing rates were investigated for the treatment of domestic wastewater with low content......
for treating municipal solid waste(MSW) and sewage treatment plant sludge (STP sludge), a start-up experimental study on MSW composting and anaerobic thickening and digestion of STP sludge was carried.... The integrative reactor, however, still remains to be improved.Key words:integrated reactor; sludge anaerobic digestion; garbage anaerobic composting; coordination treatment; start-up......
