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Application of trial difference calculation method for bivariate in water cycle system MENG Zhiqiang, ZHANG Pei (College of Electrical and Information Engineering, Hunan University, Changsha 410082... of the outlet temperature of the hot fluid were met and the cold fluid outlet temperature satisfied the restriction condition. Energy saving design for the water cycle system in one plant was taken......
of HUNG et al [23] indicated that wet fluids, with very steep saturated vapor curves in the T–s diagram, have a better performance in energy conversion efficiencies than dry fluids. Several criteria... large slopes of saturated vapor curves are called dry, wet, and isentropic fluids, respectively [37]. The most commonly used dry fluids are R113, R114, R123, R245fa and R600; the wet fluids are R12......
J. Cent. South Univ. Technol. (2009) 16: 0339-0343 DOI: 10.1007/s11771-009-0057-8 Parameter fitting of constitutive model and FEM analysis of solder joint thermal cycle reliability for lead... data. Furthermore, the Anand model was used in the FEM analysis to evaluate solder joint thermal cycle reliability. The results show that solder Sn-3.5Ag has a better creep resistance than solder......
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. The effect of dry, isentropic and wet fluids on thermal efficiency was investigated in Ref. [3], and isentropic fluids showed better performance. Besides, working fluids with high liquid specific...J. Cent. South Univ. (2017) 24: 353-359 DOI: 10.1007/s11171-017-3437-0 Performance comparison and analysis of a combined power and cooling system based on organic Rankine cycle WANG Zhi-qi(王志奇......
EFFECTS OF THERMAL CYCLE ON MECHANICAL PROPERTIES AND FRACTOGRAPHY IN HAZ OF HQ130 STEEL W.J.Sun1,B.Liu2,J.X.Qu1 (1.Department of Materials Sci. & Eng., China Univ. of Mining and Technology... decrease with the decrease of Tp or increase of t8/5 under the condition of a single thermal cycle. There is a brittle zone in the vicinity of Tp=800℃, where the impact toughness is considerably low......
Optimum Design of Movable Screen Jig CycleChunbao Sun; Yubo Sun(1 Resources Engineering School, University of Science and Technology Beijing, Beijing 100083. China2 Department of Mineral Engineering, Northeastern University. Shenyang 10006. China)摘 要:Witht......
J. Cent. South Univ. (2012) 19: 2584-2590 DOI: 10.1007/s11771-012-1314-9 Parametric optimization and performance comparison of organic Rankine cycle with simulated annealing algorithm WANG Zhi... power and heat recovery efficiency into account, a multi-objective mathematical model was developed for organic Rankine cycle (ORC). Working fluids considered were R123, R134a, R141b, R227ea and R245fa......
J. Cent. South Univ. (2017) 24: 2829-2841 DOI: https://doi.org/10.1007/s11771-017-3698-z Thermodynamic optimization and fluid selection of organic Rankine cycle driven by a latent heat source XU...: Organic Rankine cycle (ORC) is applicable for the heat-work conversion. Whereas, there also exist a lot issues that influence the efficiency and the cost of the system. In this work, eleven pure working......
High cycle fatigue behavior of the second generation single crystal superalloy DD6 SHI Zhen-xue, LI Jia-rong, LIU Shi-zhong, HAN Mei National Key Laboratory of Science and Technology... single crystal superalloy DD6 with 0.10%Hf and 0.34%Hf (in mass fraction) was subjected to high-cycle fatigue (HCF) loading at temperatures of 700 °C in ambient atmosphere. SEM was used to determine......