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Online since: November 2015
Authors: Ionică Cîrciu, Doru Luculescu, Cristian Constantinescu, Constantin Rotaru
Introduction The design of an aircraft or a gas turbine engine requires the knowledge of multiple academic disciplines including mathematics, aerodynamics, fluid mechanics, solid mechanics, thermodynamics, chemistry and material sciences.
Matei, An Extended Combustion Model for the Aircraft Turbojet Engine, International Journal of Turbo&Jet Engines, ISSN 0334-0082, Vol. 31, Issue 3, Pages 229-237, doi: 10.1515/tjj-2013-0048, 2014
Edu, Dynamic of a turbojet engine considered as a quasi-static system, International Journal of Mechanics, ISSN 1998-4448, Volume 8, Pages 158-166, 2014
Online since: November 2011
Authors: Gen Fei Ye, Shuan Chen Gu
Experiment on Ultimate Shear Strength Parameters of Bolt Anchored Section GU Shuan-chen1, a and YE Gen-fei2, b 1College of Architecture and Civil Engineering Xi’an University of Science and TechnologyXi’an, China 2Sales Departments Xi’an Branch of China Coal Research Institute line 3: Xi’an, China akjdxjgxy@163.com, b Ygfyhw98@vip.sina.com Keywords: P-S curve; Pull-out test; Ultimate shear strength; Shear displacement Abstract.
Fig. 1 Relationship between shear stress and shear displacement of the bolting layer The equilibrium of a bolting system is sketched in Fig.2, according to the balance of an infinitesimal element of the rock bolt and anchorage, and Eqs. (4) and (5) are established (4) (5) Fig. 2 The equilibrium of bolt system where, is the axial force of the rock bolt at the position z; is the shear stress on the anchorage; is the shear displacement of the bolt; is the diameter of the anchorage; and the elastic modulus of composite material is expressed as (6) where is the elastic modulus of anchorage; is the modulus of bolt; is the diameter of bolt.
[5] Song Zhifei, Xu Bo, “The interfacial mechanical characteristics in anchorage zone of grouted bolts,” Journal of China Coal Society, Vol. 33 No.9, pp. 988-991, Sep. 2008
[6] Zhang Jiru, Tang Baofu, “Hyperbolic function model to analyze load transfer mechanism on bolts,” Chinese Journal of Geotechnical Engineering, Vol. 24 No.2, pp. 188-192, Mar. 2002
Online since: May 2011
Authors: Jian Liu, Xiang Yun Huang, Guan Gen Zhou, Zhao Hui Wu, Qi Bei Wang, Hong Yan Zhang
In this structure, the steel frame is characterized by high material strength, small section size and good seismic performance, but low drift stiffness.
Acknowledgements The work presented in this paper is supported by funds of Science and Technology Project for Ministry of Construction, the People's Republic of China (Grant No. 2008-k2-36, 2010-K3-33) , and Bureau of Guangzhou Education (Grant No. 08C056).
Ding:Journal of Building Structures.
Miyashita:Journal of structural engineering.
Online since: October 2012
Authors: Li Hua Li, Qiang Ma, Qi Zhi Hu, Heng Lin Xiao
Numerical analysis The selection of the analysis model, including geometric model and material model, will directly affect the accuracy of simulation.
Acknowledgements This work was financially supported by key project of Ministry of Education (2010133), the National Natural Science Funds of China (51178166), and Program for New Century Excellent Talents in University.
Journal of Geotechnical and Geoenvironmental Engineering, ASCE Vol. 105 (1979), p. 693-695
Canadian Geotechnical Journal Vol. 29(1992), p. 456-465
Online since: March 2024
Authors: Chieko Narita, Kazushi Yamada
In recent years, great attention has been paid to the development of porous materials with excellent reactivity and absorbency.
Prussian blue nanoparticles are known to adsorb radioactive materials such as cesium, and are expected to be applied to the recovery of cesium diffused in the atmosphere and ocean.
Porous materials have a large surface area to volume ratio, and thus have a wide range of applications, such as absorbency and adsorption.
Compared to aerogels, sponges, and nanoporous films, fibrous materials have a wide range of forms and shapes that can be tailored to their respective applications.
Experimental Materials and sample preparation.
Online since: February 2013
Authors: Chen Wei Shan, Ying Zhao, Dong Peng Cui, Xiao Jun Lin
Introduction C/C composite has become a new ultra-high-temperature structural material which is the focus of research and development in the field of new materials because of its excellent performance, such as high specific strength and modulus, high thermal shock resistance, low-density, low ablation rate etc.
Because the forming structure of C/C composite material is quite complex and its processed surface frame is not just made through cutting out, its theoretical surface roughness can not be figured out by the formula for materials with uniformity and continuity [11].
Acknowledge This work was supported by the National Natural Science Foundation of China (Grant No. 51105312).
International Journal of Machine Tools and Manufacture, 1995. 35(12): p. 1623-1638
New Carbon Materials, 2000. 15(3): p. 38-42
Online since: August 2014
Authors: Wei Dong Liu, Yun Hong Ding, Jin Chang, Ke Xu
Material Heavy oil and geological water used in the experiments are collected from the Chengbei (Bohai, China) oilfield. 1.2.
Science, 1991, 254: 231 - 237
Studies on the chemical reactions of heavy oils under steam stimulation condition AOSTRA Journal of Research, 1990, 6: 29 -39
Oil & Gas Journal, 2002, 100: 60 – 63
Journal of petrochemical university, 2013, 26: 6-9.
Online since: April 2015
Authors: Mao Sheng Yang, Nan Zhang, Shi Qing Sun
EffectofHeat TreatmentProcessing Parameters on the Microstructure and Properties of Low-carbon Cr-Ni-Mo CarburizingBearing Steels Nan Zhang1,2, a, Maosheng Yang2, b, Shiqing Sun1, c 1School of Materials Science and Engineering, Hebei University of Science and Technology, Shijiazhuang Hebei, China 050018 2Institute of Special Steel, Central Iron and Steel Research Institute, Beijing, China 100081 azhang3nan2@163.com,bmshyang@sina.com,chbkdssq@163.com Keywords: Heat treatment, Cryogenic treatment, Strength-toughness, Nano-sized carbide.
Material and Experimental Procedure Material.
Journal of Iron and Steel Research, November 2011,23(11):34-40
[3] Gang L, Shengmin W, Maosheng Y., Research on High Performance Carburizing Bearing Steel for MicrostructuralCharacteristics and Strength-Toughness [D],Kunming University of Science and Technology, 2013
Online since: June 2010
Authors: Ling Yun Zhou, Qing Zhang, Dong Mu
The recycling logistics system of straw resources is the foundation of the collection and industrialization utilization of crop straw resources, so the paper studied and designed the recycle logistics system framework of straw resources according the recycle processes and modes of crop straw resources based on environment science and logistics engineering theory.
The crop straw distribution processing centers can cure the crop straw resources according to the material supplying demands of enterprises utilizing crop straw, and they supply the crop straw material for biomass power plants or other straw machining enterprises on schedule.
Collecting and purchasing Compressing Warehousing and Transporting Cropland Straw recycling agents Crop straw yards Crop straw distribution processing centers Straw recycling sites Biomass Power Plants Straw machining enterprises Material Supplying Sorting and Packing Distribution Processing Subsystem.
Resource Science Vol.25(2003), P.62-67
Zhao: submitted to Journal of Jiangsu Agricultural Science (2010) [4] W.Z.
Online since: October 2014
Authors: Guang Zheng Jia, Shi Peng Chen, Yong Peng Cai, Hong Jun Liu
Optimization of Flow Deflector Quantities for Gravity Oil-water Separator Hongjun Liu a, Guangzheng Jia b , Shipeng Chenc ,Yongpeng Caid School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing, Heilongjiang, 163318, China aliuhongjun101@126.com, bJiaguangzheng@126.com, cchenshipeng.ok@163.com, dcaiyongpeng516@126.com Keywords: Gravity oil-water separator; horizontal deflector; inclined deflector; CFD; separation efficiency Abstract.
Science Technology and Engineering Vols 10(2010), P. 8230.
Journal of Dispersion Science & Technology Vols.33(2012), p.578
Advanced Materials Research Vols. 955-959(2014), p. 2756
Applied Mechanics and Materials Vols. 353-356(2013), p. 3399.