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Thermodynamic equilibrium calculation on preparation of copper oxalate precursor powder FAN You-qi(樊友奇), ZHANG Chuan-fu(张传福), ZHAN Jing(湛 菁), WU Jian-hui(邬建辉) School of Metallurgical Science...; Abstract: According to the principles of simultaneous equilibrium and mass balance, a series......
ARTICLE J. Cent. South Univ. (2019) 26: 2068-2076 DOI: https://doi.org/10.1007/s11771-019-4154-z Effect of nozzle geometry on pressure drop in submerged gas injection XIAO Jun-bing(肖俊兵)1, 2, YAN... are crucial important for the operational expenditure in terms of pressure drop. The influence of the nozzle geometry on pressure drop between nozzle inlet and outlet has been experimentally studied......
the water flow for equilibrium of pressure, which suggests that it is possible to achieve a smooth S-p curve, and the spatio-temporal distribution of the LNAPL contaminants with several couples of ECP... equilibrium to obtain a pair of saturation and capillary pressure at each test pressure level. The S-p relation curve fitted with these discrete data of saturation and capillary pressure at different......
J. Cent. South Univ. (2020) 27: 2032-2042 DOI: https://doi.org/10.1007/s11771-020-4428-5 Improved method for determining active earth pressure considering arching effect and actual slip surface HE... 59000, France Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: To determine the distribution of active earth pressure on retaining walls, a series......
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J. Cent. South Univ. Technol. (2009) 16: 1028-1033 DOI: 10.1007/s11771-009-0170-8 Discrete element simulation of mechanical characteristic of conditioned sands in earth pressure balance shield... characteristic and strength characteristic of the conditioned sands in the earth pressure balance (EPB) tunneling. In the laboratory the conditioned sands were reproduced and the slump test and the direct......
Trans. Nonferrous Met. Soc. China 22(2012) s745-s752 Comparison of electrochemical properties of atmospheric pressure plasma coatings for Al2O3-3TiO2 and CoNiCrAlY in sea water Seong-jong KIM1, Seong... electrochemical experiments on the Al2O3-3TiO2 and CoNiCrAlY coating layers by atmospheric pressure plasma spray coating process. By evaluating the corrosion resistance of these materials......
J. Cent. South Univ. (2019) 26: 1696-1705 DOI: https://doi.org/10.1007/s11771-019-4126-3 Upper bound solution of surrounding rock pressure of shallow tunnel under nonlinear failure criterion ZHANG... words: nonlinear Baker failure criterion; face; stability; limit analysis method; pressure of surrounding rock Cite this article as: ZHANG Dao-bing, MA Zong-yu, YU Biao, YIN Hua-dong. Upper bound......
the Rankine and Coulomb’s theories of earth pressure and both theories assume the backfill to reach the limited equilibrium state. However, in most cases, the backfill is not in the limit condition...J. Cent. South Univ. Technol. (2011) 18: 1240-1247 DOI: 10.1007/s11771-011-0828-x Calculation of earth pressure based on disturbed state concept theory ZHU Jian-feng(朱剑锋)1, 2, XU Ri-qing(徐日庆)2......
. It is helpful to understand the rock dynamic failure and propose a correct test method to determine the dynamic fracture toughness. Key words: split Hopkinson pressure bar; stress equilibrium;disc...就能引起应力平衡度量值较为严重的振荡.这有助于正确认识岩石动态冲击破坏过程和提出准确测试岩石动态断裂韧度的方法. 关键词:分离霍普金森压杆;应力平衡;圆盘试样;加载直径;动态断裂韧度 中图分类号:O346;TU438 文献标志码:A Dynamic stress equilibrium of disc specimen under linear......