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Online since: May 2011
Authors: Xiao Lin Cao, Shuang Jun Cao, Xiao Jun Zhu, Wei Zeng, Fang Fang Wang, Jiang Li, Dong Chi
Experiment Investigation on Heat Transfer Characteristics of a Novel Gravity-assisted Heat Pipe Heat Exchanger
Xiaolin Cao, Shuangjun Cao, Xiaojun Zhu, Wei Zeng,
Fangfang Wang, Jiang Li, Dong Chi
School of Energy Science and Engineering,
Central South University, Changsha 410083,China
xlcao@mail.csu.edu.cn
Keywords: Gravity-assisted Heat Pipe; Heat exchanger; Heat Transfer
Abstract.
The evaporator section was inserted into the indoor air duct placed in the insulating chamber which was composed of heat insulating material.
Journal of Engineering Thermophysics (in Chinese)Vol. 30 (2009), p.834-836 [5] G.L.
Liu: Journal of Chemical Industry and Engineering (in Chinese) Vol. 58 (2007), p. 3006-3010.
The evaporator section was inserted into the indoor air duct placed in the insulating chamber which was composed of heat insulating material.
Journal of Engineering Thermophysics (in Chinese)Vol. 30 (2009), p.834-836 [5] G.L.
Liu: Journal of Chemical Industry and Engineering (in Chinese) Vol. 58 (2007), p. 3006-3010.
Online since: July 2011
Authors: Jun Xiang Wang, An Nan Jiang
Fig. 3 Horizontal displacement Fig. 4 Y direction stress Fig. 5 Plastic zone
Elastic Parameter Inversion.Establish a linear elastic model, the model of the same size, but it will be changed the linear elastic material.
Acknowledgements The authors deeply appreciate support from Fundamental Research Funds for the Central Universities(2009QN050), Liaoning Province Education Department Fund(L2010063) and theNational Natural Science Foundation (51079010).
[2] POTTS D M,GENS A.A critical assessment of methods of correcting for drift from the yield surface in elastoplastic finite element analysis[J].International Journal for Numerical and Analytical Methods in Geomechanics,1985,(23)9:149-159
Differential Evolution-A Simple and Efficient Heuristic for Global Optimization over Continuous Spaces [J].Journal of Global Optimization, 1997 (11):341-369
Acknowledgements The authors deeply appreciate support from Fundamental Research Funds for the Central Universities(2009QN050), Liaoning Province Education Department Fund(L2010063) and theNational Natural Science Foundation (51079010).
[2] POTTS D M,GENS A.A critical assessment of methods of correcting for drift from the yield surface in elastoplastic finite element analysis[J].International Journal for Numerical and Analytical Methods in Geomechanics,1985,(23)9:149-159
Differential Evolution-A Simple and Efficient Heuristic for Global Optimization over Continuous Spaces [J].Journal of Global Optimization, 1997 (11):341-369
Online since: August 2021
Authors: Sudipta Sen, Nabin Baran Manik, Pallab Kumar Das
Gupta, Bulk and contact resistance in P3HT: PCBM heterojunction solar cells, Solar Energy Materials & Solar Cells, 95 (2011) 2314-2317
Türüt, Electronic parameters of MIS Schottky diodes with DNA biopolymer interlayer, Materials Science-Poland, 33 (2015) 593-600
Cheng, Carbon naotube/silicon heterojunctions for photovoltaic applications, Nano Materials Science, 1 (2019) 156-172
Manik, Effect of Different Sized Multi Walled Carbon Nanotubes on the Barrier Potential and Trap Concentration of Malachite Green Dye Based Organic Device, Advances in Materials Science, 20 (2020) 16-26
Journal of Electronic Materials 49 (2020) 4647-4652
Türüt, Electronic parameters of MIS Schottky diodes with DNA biopolymer interlayer, Materials Science-Poland, 33 (2015) 593-600
Cheng, Carbon naotube/silicon heterojunctions for photovoltaic applications, Nano Materials Science, 1 (2019) 156-172
Manik, Effect of Different Sized Multi Walled Carbon Nanotubes on the Barrier Potential and Trap Concentration of Malachite Green Dye Based Organic Device, Advances in Materials Science, 20 (2020) 16-26
Journal of Electronic Materials 49 (2020) 4647-4652
Online since: September 2013
Authors: Sri Harjanto, Akhmad Herman Yuwono, Bambang Suharno, Florentinus Firdiyono, Rudi Subagja, Latifa Hanum Lalasari
Firdiyono1,d, Sri Harjanto2,e, Bambang Suharno2,f
1Research Centre for Metallurgy, Indonesian Institute of Sciences (LIPI), Kawasan Puspiptek Serpong, Tangerang Selatan 15314, Indonesia
2,Department of Metallurgy and Materials, Faculty of Engineering, University of Indonesia, Jawa Barat 16424, Indonesia
aifa_sari@yahoo.com,alati003@lipi.go.id, brudibagja@yahoo.com, cahyuwono@metal.ui.ac.id, dflor001@lipi.go.id,eharjanto@metal.ui.ac.id , fsuharno@metal.ui.ac.id
Keywords : ilmenite, sulfuric acid, sodium hydroxide, ionic titanium, ionic iron
Abstract.
This mineral is a semiconductor material with a band gap energy of 2.54 eV.
Firdiyono, Akhmad Herman Yuwono, Sri Harjanto, Bambang Suharno: Preparation, Decomposition and Characterizations of Bangka - Indonesia Ilmenite (FeTiO3) derived by Hydrothermal Method using Concentrated NaOH Solution, Advanced Materials Research Vols. 535-537 (2012), p. 750-756
Journal of Materials Science Vol. 42 (2006), p. 2967 – 2973
Journal of Hazardous Materials Vol. 168 (2009), 793 – 799
This mineral is a semiconductor material with a band gap energy of 2.54 eV.
Firdiyono, Akhmad Herman Yuwono, Sri Harjanto, Bambang Suharno: Preparation, Decomposition and Characterizations of Bangka - Indonesia Ilmenite (FeTiO3) derived by Hydrothermal Method using Concentrated NaOH Solution, Advanced Materials Research Vols. 535-537 (2012), p. 750-756
Journal of Materials Science Vol. 42 (2006), p. 2967 – 2973
Journal of Hazardous Materials Vol. 168 (2009), 793 – 799
Online since: January 2010
Authors: Hui Fan
Introduction
Composite electrodeposition is one kind of general metal (or alloy) electroplating, which by adding
one or a few of insoluble non-metallic particulates (generally less than 100 microns in diameter)into
electrolyte and by making particles sufficiently suspended in bath by intense steering, enables the
additional particles to co-deposit with metal (or alloy) into a composite coating on a substrate,
improving the target material surface properties such as wear resistance, high-temperature corrosion
protection and the like[1,2].
Nickel, being a widely used engineering material, posses high mechanical and anti-corrosion behavior and has been extensively applied in the electroforming of complex parts and metal article surface protection [1-4].
The resulting coated layer on the target material has smooth surface, uniform structure, and strengthened hardness because of addition of embedded nanoparticles, which also lead to a enhancement of wear resistance as compared to the pure plating nickel.
Yoo,: Surface and Coating Technology Vol.564~569 (1998), p.108-109 [3] X.H Chen, J.C Peng, X.Q Li: Journal of Materials Science Letters Vol.22 (2001), p.2057-2061 [4] K.H Hou, M.D.
Nickel, being a widely used engineering material, posses high mechanical and anti-corrosion behavior and has been extensively applied in the electroforming of complex parts and metal article surface protection [1-4].
The resulting coated layer on the target material has smooth surface, uniform structure, and strengthened hardness because of addition of embedded nanoparticles, which also lead to a enhancement of wear resistance as compared to the pure plating nickel.
Yoo,: Surface and Coating Technology Vol.564~569 (1998), p.108-109 [3] X.H Chen, J.C Peng, X.Q Li: Journal of Materials Science Letters Vol.22 (2001), p.2057-2061 [4] K.H Hou, M.D.
Online since: November 2012
Authors: Tao Yin, Toshiro Doi, Syuhei Kurokawa, Osamu Ohnishi, Tsutomu Yamazaki, Zhi Da Wang, Zhe Tan
SiC was attracting extensive concern as a power semiconductor device material.
Acknowledgments This study was sponsored by the National Science Council of JSPS under the project No.A-2024633.
K., et al.: “A new Bell-Jar Type Controlled Atmosphere Polishing (CAP) Machine and Its Characteristics,” Journal of the JSPE, 70, 5, (2004) p.72 (in Japanese)
,et al.: “CMP of SiC Wafers as a Post-Si Power-Device (Bell-Jar Shaped CMP machine, assisted by Photocatalitic reactions under high pressure oxygen gas, and CMP characteristics of functional materials),” Proc. of the 1st International Conference on Surfcace and Interface Fabrication Technologies (ICSIF), pp/168-174, 2009
:“Basic Characteristics of a Simultaneous Double-side CMP Machine, Housed in a Sealed, Pressure-Resistance Container,” Key Engineering Materials Vols. 447-448(2010), pp61-65
Acknowledgments This study was sponsored by the National Science Council of JSPS under the project No.A-2024633.
K., et al.: “A new Bell-Jar Type Controlled Atmosphere Polishing (CAP) Machine and Its Characteristics,” Journal of the JSPE, 70, 5, (2004) p.72 (in Japanese)
,et al.: “CMP of SiC Wafers as a Post-Si Power-Device (Bell-Jar Shaped CMP machine, assisted by Photocatalitic reactions under high pressure oxygen gas, and CMP characteristics of functional materials),” Proc. of the 1st International Conference on Surfcace and Interface Fabrication Technologies (ICSIF), pp/168-174, 2009
:“Basic Characteristics of a Simultaneous Double-side CMP Machine, Housed in a Sealed, Pressure-Resistance Container,” Key Engineering Materials Vols. 447-448(2010), pp61-65
Online since: September 2011
Authors: Li Fang Yang, Yan Ping Fu, Yue Zhao
It should not be anticipated that the use of street air cleaner can completely eliminate harmful material in the air.
Through research and comparison of available adsorbing material as silicon gel, active carbon, activated aluminum oxide and molecular sieve, the active carbon is chosen for adsorbing material of street air cleaner.
The snow-like structure is composed of three parts, the upper part for adsorbing material, the bottom for two fans and the middle parts for filtering material.
Discuss Pollution and Countermeasure of the Car Exhaust , Environmental Science and Management 2009, 34(7) [2] Cai Jian, Feng Chun-yan,Exploration on the Harm and the Countermeasures of Automobile Exhaust Pollution,Journal of Maoming College, 2008,(3):40-43 [3] Shao Yu, Li Guoxiang, Ai Ping, Progress on the Purification Technology of Automobile Exhaust, Yunnan Chemical Technology, 2005 32(6): 68-70,59 [4] Zhao Qiuling, Xu Xiaojian, Cai Xiuqin, Research Progress on Catalysts and Catalyst Substrate for Purifying Automobile Exhaust, Guangzhou Chemical Industry,2009,37 (8):15-18 [5] Huang Jianjun,Du Feihui,Ye Changsheng, Investigation and Analysis on City Streets Landscape in Fuzhou City,Guangdong Landscape Architecture2009,31(6)32-35 [6] Ye Jing.
Through research and comparison of available adsorbing material as silicon gel, active carbon, activated aluminum oxide and molecular sieve, the active carbon is chosen for adsorbing material of street air cleaner.
The snow-like structure is composed of three parts, the upper part for adsorbing material, the bottom for two fans and the middle parts for filtering material.
Discuss Pollution and Countermeasure of the Car Exhaust , Environmental Science and Management 2009, 34(7) [2] Cai Jian, Feng Chun-yan,Exploration on the Harm and the Countermeasures of Automobile Exhaust Pollution,Journal of Maoming College, 2008,(3):40-43 [3] Shao Yu, Li Guoxiang, Ai Ping, Progress on the Purification Technology of Automobile Exhaust, Yunnan Chemical Technology, 2005 32(6): 68-70,59 [4] Zhao Qiuling, Xu Xiaojian, Cai Xiuqin, Research Progress on Catalysts and Catalyst Substrate for Purifying Automobile Exhaust, Guangzhou Chemical Industry,2009,37 (8):15-18 [5] Huang Jianjun,Du Feihui,Ye Changsheng, Investigation and Analysis on City Streets Landscape in Fuzhou City,Guangdong Landscape Architecture2009,31(6)32-35 [6] Ye Jing.
Online since: October 2014
Authors: Constantin Bungau, Mircea Bogdan Tataru, Alexandru Rus
Introduction
The process of separation – classification of the granular material needs specific motions for the separation surfaces: sieves, panels with holes, grates.
Thus the basic process of granular material separation which is called self-sorting, process that leads granular material to extraction sieve, due to a combination of material sliding on a steep plan and its repositioning in part of this plan through in-plan motions on closed curves cyclic trajectories [1, 2].
In this paper we present a virtual model of supporting and actuation mechanical system of a machine for separating granular material, which has to allow generating a greater diversity of cyclic trajectories for further studies in separation-classification processes.
Gomes de Almeida - Using two servovalves to improve pneumatic force control in industrial cylinders - Int J Adv Manuf Technol (2013) 66:283–301 DOI 10.1007/s00170-012-4324-8, [5] Chia-Hua Lu, and Yean-Ren Hwang - Modeling of an air motor servo system and robust sliding mode controller design - Journal of Mechanical Science and Technology 26 (4) (2012) 1161~1169 www.springerlink.com/content/1738-494x DOI 10.1007/s12206-012-0220-2
Thus the basic process of granular material separation which is called self-sorting, process that leads granular material to extraction sieve, due to a combination of material sliding on a steep plan and its repositioning in part of this plan through in-plan motions on closed curves cyclic trajectories [1, 2].
In this paper we present a virtual model of supporting and actuation mechanical system of a machine for separating granular material, which has to allow generating a greater diversity of cyclic trajectories for further studies in separation-classification processes.
Gomes de Almeida - Using two servovalves to improve pneumatic force control in industrial cylinders - Int J Adv Manuf Technol (2013) 66:283–301 DOI 10.1007/s00170-012-4324-8, [5] Chia-Hua Lu, and Yean-Ren Hwang - Modeling of an air motor servo system and robust sliding mode controller design - Journal of Mechanical Science and Technology 26 (4) (2012) 1161~1169 www.springerlink.com/content/1738-494x DOI 10.1007/s12206-012-0220-2
Online since: April 2012
Authors: De Mao Hu, Chong Jie Leng, Yan Jue Gong, Hui Yu Xiang
The Finite Element Analysis of Rotor Contact Strength for a High-speed Traction Motor
Huiyu Xiang, Demao Hu, Chongjie Leng, Yanjue Gong
School of Materials Science and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048
xianghy66@126.oom
Keywords: Motor, Rotor, Contact strength, Finite element
Abstract.
Table 1 The Working Condition of The Rotor Shaft Working Case Torque (N.m) Speed (rpm) Unilateral magnetic force /N Starting 2298 5090 Constant Power 2100 2468 5006 Rated working 1140 4636 2990 Short cut circuit 6993 Maximum Speed 1380 5870 1880 This paper analyzes the model material as follows: the rotor axis adopt 35 Cr, laminated with 50 W470.
Figure 1 The finite element model of the rotor The finite element analysis results Analysis model based on the consideration: (1) Assumes the rotor laminated and coupling is uniform pressure into the rotor shaft with corresponding surface, through the simulation examination of the surplus quantity selection is reasonable, the reasonable over surplus quantity not only ensure there is enough contact pressure to deliver torque, and ensure the contact stress and contact pressure of less than material allowable stress, meet the design rules rotor components
According to the stress distribution of the rotor strength, some extra material could be removed in the stress intensity lower area with the aim to reduce the weight of the rotor.
[4] Chen Xuezhen, Liu Jun: Journal of Huangshi Institute of Technology Vol. 6(2010), p.8-11,in Chinese
Table 1 The Working Condition of The Rotor Shaft Working Case Torque (N.m) Speed (rpm) Unilateral magnetic force /N Starting 2298 5090 Constant Power 2100 2468 5006 Rated working 1140 4636 2990 Short cut circuit 6993 Maximum Speed 1380 5870 1880 This paper analyzes the model material as follows: the rotor axis adopt 35 Cr, laminated with 50 W470.
Figure 1 The finite element model of the rotor The finite element analysis results Analysis model based on the consideration: (1) Assumes the rotor laminated and coupling is uniform pressure into the rotor shaft with corresponding surface, through the simulation examination of the surplus quantity selection is reasonable, the reasonable over surplus quantity not only ensure there is enough contact pressure to deliver torque, and ensure the contact stress and contact pressure of less than material allowable stress, meet the design rules rotor components
According to the stress distribution of the rotor strength, some extra material could be removed in the stress intensity lower area with the aim to reduce the weight of the rotor.
[4] Chen Xuezhen, Liu Jun: Journal of Huangshi Institute of Technology Vol. 6(2010), p.8-11,in Chinese
Online since: October 2007
Authors: Akihisa Inoue, Wei Zhang, Jian Bing Qiang
Quasicrystallization of (Zr65Al7.5Cu27.5)95Ti5 Glassy Alloy
Jianbing Qianga, Wei Zhang
b
and Akihisa Inoue
c
1
Institute for Materials Research, Tohoku University, Sendai 980-8577, JAPAN
a
qiang@imr.tohoku.ac.jp, bwzhang@imr.tohoku.ac.jp and cainoue@imr.tohoku.ac.jp
Keywords: Crystallization, Quasicrystals, Activation energy
Abstract: Phase transformation in the melt-spun (Zr65Al7.5Cu27.5)95Ti5 glassy alloy was
investigated by a combined use of X-ray diffraction (XRD), transmission electron microscopy
(TEM) and differential scanning calorimetry (DSC).
In comparison with (Zr65Al7.5Cu27.5)95Ti5, Zr65Al7.5Cu27.5 alloy possesses higher activation energy of glass transition ETg, indicating that it is more difficult for this material to relax, which may contribute to formation of the larger super-cooled liquid span shown in Fig.1.
Acknowledgements This work was financially supported by the Grant-in-Aid for Young Scientists (B) and by Research and Development Project on Advanced Metallic Glasses, Inorganic Materials and Joining Technology from the Ministry of Education, Science, Sports, and Culture of Japan.
Kelton: Journal of Non-Crystalline Solids Vol. 34&335 (2004)., p. 253 [11] A.
In comparison with (Zr65Al7.5Cu27.5)95Ti5, Zr65Al7.5Cu27.5 alloy possesses higher activation energy of glass transition ETg, indicating that it is more difficult for this material to relax, which may contribute to formation of the larger super-cooled liquid span shown in Fig.1.
Acknowledgements This work was financially supported by the Grant-in-Aid for Young Scientists (B) and by Research and Development Project on Advanced Metallic Glasses, Inorganic Materials and Joining Technology from the Ministry of Education, Science, Sports, and Culture of Japan.
Kelton: Journal of Non-Crystalline Solids Vol. 34&335 (2004)., p. 253 [11] A.