Search results

Theoretical Investigation and Analysis of Solar Thermoelectric Air Conditioning Zhaohui Qia , Lingyan Xub, Baohong Sunc School of Energy Science and Engineering, Central South University, Changsha, Hunan, China a zhqi55@gmail.com, b xulingyan85@163.com,c sunbaohong2010@163.com Keywords: Solar energy, thermoelectric refrigeration, Air conditioning.
Solar thermoelectric air conditioning utilizes thermoelectric effect of semiconductor materials to achieve the purpose of refrigerating and heating.
The direct current which flows into semiconductor materials is provided by solar photovoltaic device.
This paper demonstrates the main factors which influence thermoelectric air conditioning such as thermoelectric materials, air supply and heat transfer temperature difference, solar photoelectric devices and so on.
Feng: Journal of Semiconductor Refrigeration, Vol. 22 (2001), p.202 (In Chinese)

Those materials are less ductile and hard to form.
The tests were performed in a deformation dilatometer at the chair of material science, university of Rostock.
Ngan, Oscillation-induced softening in copper and molybdenum from nano- to micro-length scales, Journal of Material Science and Engineering 572, pp. 56-64 [14] T.
Ghassemieh, Theoretical and finite element analysis of ultrasonic welding of aluminum alloy 3003, Journal of Manufacturing Science and Engineering 131, 2009 [19] Y.
Kato, Joining of high strength steel and aluminium alloy sheets by mechanical clinching with dies for control of metal flow, Journal of Materials Processing Technology, 212-4 (2012), 884-889

Padrigo1,b, Gerald Mari Quiachon2,c and Persia Ada N. de Yro1,2,d 1School of Chemical, Biological, and Materials Engineering and Sciences, Mapua University, 658 Muralla St., Intramuros, Manila 1002, Philippines 2Materials Science Division, Industrial Technology Development Institute, Department of Science and Technology, General Santos Avenue, Bicutan, Taguig, Metro Manila, Philippines amatthewmabborang@rocketmail.com, bjoshua.padrigo@gmail.com, cgerald.quiachon08@gmail.com, cpandeyro@gmail.com Keywords: Carbon Quantum Dots, Polyacrylonitrile, Polycaprolactone, Adsorption Kinetics Abstract.
Methodology Materials.
“Recent Advances In Electrospun Carbon Nanofibers and Their Application In Electrochemical Energy Storage”, Progress in Materials Science, Vol. 76, 319–380, 2015 [4] M.A.
“The Preparation and Characterization of Polyacrylonitrile – Polyaniline (PAN/PANI) Fibers”, Materials, Vol. 12, 1–20, 2019 [10] A.M.
“Enhancing Biocompatibility Without Compromising Material Properties: An Optimised NaOH Treatment for Electrospun Polycaprolactone Fibres”, Journal of Nanomaterials, Vol. 2019, 1–12, 2019 [12] X.

Experiments and experimental methods The experimental material AM60 magnesium alloy was produced in Hubei Huayang Automobile Gearshift System Co., Ltd.
Acknowledgment This work is supported by Wuhan Science and Technology Bureau, China, with Science Research Project No.201250499145-16 and No.2013071004010467.
References: [1] Ma Gang, Guo Shengli: Ningxia Engineering Technology, 2005，Vol.6 (2005), p. 268 [2] Zhou Kaiwen, Sun Xin-qi,Zhuang Yinghong: Journal of Guangxi University(Natural Science Edition)Vol. 31 (2006), p. 186 [3] Mao Guo-bing, Zhang Guang-sheng, Sun Yu-feng:Foundry Vol.58 (2009), p. 607 [4] Liu Wenjuan, Cao Fahe, Zhang Zhao: Corrosion Science and Protection Technology Vol. 21 (2009), p. 82 [5] Zhang Junyuan, Wang Shebin, Wang Shuai:Materials for Mechanical Engineering Vol. 33 (2009), p. 28 [6] Zhang Jinshan, Ji Guoqiang, Wang Xing: Rare Metal Materials and Engineering Vol. 41 (2012), p. 617 [7] Hu Yong， RAO Li: Hot Working Technology Vol. 41 (2012), p. 28 [8] Cui Hongwei, Min Guanghui, Liu Juncheng: Rare Metal Materials and Engineering Vol. 39 (2010), p. 273 [9] Liu Yangai, Xiong Shoumei, Huang Zhaohui: Materials Science & Technology Vol. 16 (2008), p. 511 [10] Yong Feng, Jiang Jing, Xue Xudong: WuHan University Journal of Natural Science Vol. 5 (2012), p. 369 [11]

Photoluminescent Characteristics of ZnS quantum dots synthesized in non-aqueous-phase Jing Liu 1.a, Ming Ying*1.b, Yuling Tan1,c, Bo Xi 2,d 1 School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China 2 School of Ocean Science and Engineering, Tianjin University of science and Technology, Tianjin 300457, China aljing815@163.com, bym8312@ya.hoo.com.cn, c308720068@qq.com, d382490591@qq.com Keywords: ZnS quantum dots, Non-aqueous-phase synthesis, Photoluminescence spectra.
The fingerprint and nanorod structures in their micro image adequately prove this kind of ZnS material have typical cubic zinc blende structure.
Li, X.S.Zhang: Chinese Journal of Liquid Crystals and Displays, Vol. 21(6) (2006), p.620 [4] J.L.Chen, C.Q.Zhu: Anal Chim Acta, Vol.546 (2) (2005), p.147 [5] C.H.Song, Y.T.Li, Y.J.Wei, Y.Z.Hu, Y.Wei: Chinese Journal of Spectroscopy and Spectral Analysis,Vol, 28(1) (2008), p.169 [6] D.E.Nam, W.S.Song, H.S.Yang: Journal of colloid and interface science, Vol, 361(2) (2011), p.491 [7] X.Han, L.Li,X.S.Zhang: Chinese Journal of Rare Metals,Vol,31(12) (2007), p.40 [8] M.B.Xu, T.Ye, S.Y.Lu: Chinese Chemical Letters, Vol, 23(12) (2012) p.1403 [9] X.Wang, X.L.Ma, X.Feng: Chinese Journal of luminescence, Vol, 30(6) (2009), p.818 [10] B.H.Kwon, K.G.Lee, T.J.Park: Small, Vol, 8(21) (2012), p.3257 [11] J.Chen, J.F.Sun,L.Guo: Chinese Journal of Analytical Chemistry,Vol,40(11) (2012), p.1680

Petcherdchoo: Case Studies in Construction Materials Vol. 20 (2024), e03081
Petcherdchoo: Advances in Materials Science and Engineering Vol. 2018 (2018), 2793481
Petcherdchoo: Materials Today Vol. 52 (2021), p. 2361-2364
Petcherdchoo: Case Studies in Construction Materials Vol. 19 (2023), e02613
Petcherdchoo: Advances in Materials Science and Engineering Vol. 2021 (2021), 6905802.

Temperature Field Numerical Simulation of Laser Welding Joint of Stainless Steel Automobile Vent Pipe Lijun Liu 1,2,a,Tienan Di 1,2,b, Ronghua Zhu 2,c 1 Ningbo Institute of Technology, Zhejiang University, Ningbo, 315100, China 2 Harbin University of Science and Technology ,Harbin, 150080,China aemail:888liulijun@163.com, bemail: wayedil@163.com, cemail: ronghua@163.com Keywords: automobile vent pipe, laser welding, temperature field, numerical simulation Abstract.
At the same time, the affecting factors are considered, such as thermal radiation, phase change latent heat, thermophysical properties of materials with temperature changes and the spread of convective heat in the liquid metal in the model.
Establishing physical model of laser welding pipe The control equation of three-dimensional nonlinear transient heat conduction is （1） In the formula: ρ is the density of materials, c is the material thermal, k is heat conductivity, is the intensity of inner heat source.
Acknowledgments The authors would like to thank State Key Laboratory of Advanced Welding Production Technology Fund (Welding 08003), and Heilongjiang Province Natural Science Fund (E2007-01) for their help during the study.
Bo:Welding Journal Vol,25(2004), p. 10.

The Young’s modulus of the steel material is ES=2.01×1011 N/m2 and the density isρ=7.85×103kg/m3.
Under this circumstance, the strength reservation of the steel material is still very large.
Ltd (K-GD2013-0222), the Fok Ying-Tong Education Foundation (131072) and the Natural Science Foundation of Hubei Province (2014CFA026).
International Journal of Structural Stability and Dynamics. 9(4):661-685
Smart Structures and Systems-An International Journal, 6(7): 811-833

Journal of Materials Processing Technology 161 (2005), 381-387
Journal of Materials ProcessingTechnology,196 (2008), 332-338
Materials and Design 24 (2003), 671-679
Journal of Materials Processing Technology 171 (2006), 268-273
Materials and Design 49 (2013),347-359

Instruments and Materials The instruments include AB20N-type electronic balance(Mettler-Toledo Equipment Co.
Ltd), Gold S54 V-visible spectrophotometry (Shanghai Lengguang Science Equipment Co.
So the greater the ration of material to solvent is, the better the extraction effect is.
[4] Chen Huifang, Dictionary of active element of plant, the first edition [M], Beijing: China Medical Science Press, 2001: 789
[5] Chen Jun, Liu Jihong, Research progress on vegetalitas traditional Chinese medicine promoting corpus cavernosum penis to be relaxed [J], National Journal of Andrology, 2003, 9(8): 615-617