Thermophysical Properties of Complex Materials最新文献

Thermal Conductivity of Dusty Plasmas through Molecular Dynamics Simulations 尘埃等离子体热导率的分子动力学模拟

Thermophysical Properties of Complex Materials Pub Date : 2020-03-02 DOI: 10.5772/intechopen.91418

A. Shahzad, Muhammad Qasim Khan, M. A. Shakoori, M. He, Yan Feng

{"title":"Thermal Conductivity of Dusty Plasmas through Molecular Dynamics Simulations","authors":"A. Shahzad, Muhammad Qasim Khan, M. A. Shakoori, M. He, Yan Feng","doi":"10.5772/intechopen.91418","DOIUrl":"https://doi.org/10.5772/intechopen.91418","url":null,"abstract":"The studies of strongly coupled complex plasmas are of significant in the area of science and technology. The plasma thermal conductivity strongly coupled (complex) plasmas is of significant in scientific technology, because it behaves as complex fluids. The two-dimensional (2D) plasma thermal conductivity of strongly coupled complex dusty plasmas (SCCDPs) has been investigated by using the homogenous nonequilibrium molecular dynamics (HNEMD) simulations, proposed by Evan-Gillan scheme, at higher screening parameter к . In our case, we have chosen particularly higher screening strength ( к ) for calculating plasma thermal conductivity. The new simulations of plasma thermal conductivity are computed over an extensive range of plasma states ( Г , к ) for suitable system sizes by applying the HNEMD simulation method at constant external force field strength ( F * ). It is found that the plasma thermal conductivity of SCCDP S decreases by increasing plasma states ( Г , к ). The calculations show that the kinetic energy of SCCDP S depends upon the system temperature (1/ Г ) and it is independent of к for higher screening parameter. The new results of thermal conductivity obtained from an improved HNEMD algorithm are in satisfactory agreement with earlier known numerical results and experimental data for 2D SCCDP S . It is depicted that the HNEMD method is a powerful tool to calculate an accurate plasma thermal conductivity of 2D SCCDP S .","PeriodicalId":420578,"journal":{"name":"Thermophysical Properties of Complex Materials","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129092623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Waves and Instabilities in E × B Dusty Plasma E × B尘埃等离子体中的波和不稳定性

Thermophysical Properties of Complex Materials Pub Date : 2019-12-12 DOI: 10.5772/intechopen.90397

Sukhmander Singh

引用次数: 3

Viscosity Models Based on the Free Volume and Entropy Scaling Theories for Pure Hydrocarbons over a Wide Range of Temperatures and Pressures 基于自由体积和熵标度理论的纯碳氢化合物在大范围温度和压力下的粘度模型

Thermophysical Properties of Complex Materials Pub Date : 2019-10-07 DOI: 10.5772/intechopen.86321

Hseen O. Baled, I. Gamwo

引用次数: 1

The Fast Silver Ion Conducting Solid-State Electrolytes for Deriving Thermodynamic Data 快速银离子导电固态电解质的热力学数据推导

Thermophysical Properties of Complex Materials Pub Date : 2019-09-27 DOI: 10.5772/intechopen.86878

F. Tesfaye, M. Moroz, O. Reshetnyak, D. Lindberg, P. Taskinen, L. Hupa

{"title":"The Fast Silver Ion Conducting Solid-State Electrolytes for Deriving Thermodynamic Data","authors":"F. Tesfaye, M. Moroz, O. Reshetnyak, D. Lindberg, P. Taskinen, L. Hupa","doi":"10.5772/intechopen.86878","DOIUrl":"https://doi.org/10.5772/intechopen.86878","url":null,"abstract":"The electromotive force (EMF) method was described and some characteristic examples from the past and recent literatures were reviewed. The important experimental procedures for a successful measurement of an EMF of different galvanic cells at a certain temperature and determination of the thermodynamic properties of chemical compounds from the obtained EMF values were described. A typical galvanic cell arrangement in a furnace was presented. The two most common types of AgI-based solid electrolytes, AgI and RbAg 4 I 5 , were discussed in detail. The ionic conduction mechanisms and the application of the solid electrolytes in the EMF cells were described. In this work, we have also conducted EMF measurements using the fast Ag + ion conducting solid-state electrolyte. The solid-state electrolyte Ag 3 GeS 3 I glass and the cathode material Ag 4 HgSe 2 I 2 were synthesized and electrochemical cell ( (cid:1) )graphite|Ag|Ag 3 GeS 3 I glass|Ag 4 HgSe 2 I 2 |graphite(+) was assembled to measure the activity of Ag in the quaternary phase. The extremely low values of activity of silver in Ag 4 HgSe 2 I 2 in the temperature range 412 – 482 K indicate that Ag 4 HgSe 2 I 2 has superionic property. The obtained results and the determined thermodynamic values are presented and discussed.","PeriodicalId":420578,"journal":{"name":"Thermophysical Properties of Complex Materials","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124257544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Nanofluid: New Fluids by Nanotechnology 纳米流体:纳米技术的新流体

Thermophysical Properties of Complex Materials Pub Date : 2019-09-27 DOI: 10.5772/intechopen.86784

M. Ahmed

引用次数: 6

Structural Disorder as Control of Transport Properties in Metallic Alloys 结构失序对金属合金输运性能的控制

Thermophysical Properties of Complex Materials Pub Date : 2019-04-24 DOI: 10.5772/INTECHOPEN.85729

E. Kaiser, Y. W. Kim

引用次数: 0

Dynamic Viscosity of Graphene- and Ferrous Oxide-Based Nanofluids: Modeling and Experiment 石墨烯和氧化亚铁基纳米流体的动态粘度:建模和实验

Thermophysical Properties of Complex Materials Pub Date : 2019-04-15 DOI: 10.5772/INTECHOPEN.85821

M. Al-Wadhahi, G. Vakili-Nezhaad, Ohoud Al Ghafri

引用次数: 4