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Numerical modeling of asphaltene deposition 沥青质沉积的数值模拟
IF 1.5
Computational Thermal Sciences Pub Date : 2013-05-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2013006316
Q. Ge, Y. Yap, F. Vargas, M. Zhang, J. Chai
{"title":"Numerical modeling of asphaltene deposition","authors":"Q. Ge, Y. Yap, F. Vargas, M. Zhang, J. Chai","doi":"10.1615/COMPUTTHERMALSCIEN.2013006316","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2013006316","url":null,"abstract":"Asphaltene deposition on the walls of wellbore or pipeline during oil production and processing will cause dire consequences if left untreated. A better understanding of this phenomenon is required. This study presents a general modelling framework based either on the level-set approach or the concentration approach for modelling asphaltene deposition processes. Both the level-set method and the total concentration approach belong to the family of front capturing methods. Therefore, the dynamics of the depositing front can be captured implicitly on fixed mesh. The presented frameworks are validated against each other for general deposition process. Preliminary parametric studies are then performed to study the influences of various factors on the deposition process.","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"5 1","pages":"153-163"},"PeriodicalIF":1.5,"publicationDate":"2013-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67419731","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: 9
A COMPUTATIONAL FLUID DYNAMICS STUDY OF ELASTOHYDRODYNAMIC LUBRICATION LINE CONTACT PROBLEM WITH CONSIDERATION OF SURFACE ROUGHNESS 考虑表面粗糙度的弹流润滑线接触问题的计算流体动力学研究
IF 1.5
Computational Thermal Sciences Pub Date : 2013-01-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2013006347
S. Srirattayawong, Shian Gao
{"title":"A COMPUTATIONAL FLUID DYNAMICS STUDY OF ELASTOHYDRODYNAMIC LUBRICATION LINE CONTACT PROBLEM WITH CONSIDERATION OF SURFACE ROUGHNESS","authors":"S. Srirattayawong, Shian Gao","doi":"10.1615/COMPUTTHERMALSCIEN.2013006347","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2013006347","url":null,"abstract":"","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"5 1","pages":"195-213"},"PeriodicalIF":1.5,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67419889","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: 5
COMPUTATIONAL FLUID DYNAMICS CHARACTERIZATION OF A HYBRID COOLING SYSTEM COMPOSED OF A DISPLACEMENT VENTILATION UNIT AND A RADIANT COOLING FLOOR 由置换通风装置和辐射冷却地板组成的混合冷却系统的计算流体动力学特性
IF 1.5
Computational Thermal Sciences Pub Date : 2013-01-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2013006282
J. Pena-Suarez, J. Ortega-Casanova
{"title":"COMPUTATIONAL FLUID DYNAMICS CHARACTERIZATION OF A HYBRID COOLING SYSTEM COMPOSED OF A DISPLACEMENT VENTILATION UNIT AND A RADIANT COOLING FLOOR","authors":"J. Pena-Suarez, J. Ortega-Casanova","doi":"10.1615/COMPUTTHERMALSCIEN.2013006282","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2013006282","url":null,"abstract":"","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"5 1","pages":"127-141"},"PeriodicalIF":1.5,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67419312","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
NATURAL CONVECTION OF NANOFLUIDS IN A SQUARE CAVITY HEATED FROM BELOW 从下方加热的方形腔中纳米流体的自然对流
IF 1.5
Computational Thermal Sciences Pub Date : 2013-01-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2013006652
Harold Noriega, M. Reggio, P. Vasseur
{"title":"NATURAL CONVECTION OF NANOFLUIDS IN A SQUARE CAVITY HEATED FROM BELOW","authors":"Harold Noriega, M. Reggio, P. Vasseur","doi":"10.1615/COMPUTTHERMALSCIEN.2013006652","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2013006652","url":null,"abstract":"","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"5 1","pages":"289-301"},"PeriodicalIF":1.5,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67419543","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: 7
TRANSIENT ANALYSIS OF MIXED CONVECTION IN A BOTTOM-HEATED SQUARE CAVITY IN THE PRESENCE OF SURFACE RADIATION 有表面辐射时底部加热方形腔内混合对流的瞬态分析
IF 1.5
Computational Thermal Sciences Pub Date : 2013-01-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2013007029
S. Samantaray, S. Mahapatra, S. K. Jena, A. Sarkar
{"title":"TRANSIENT ANALYSIS OF MIXED CONVECTION IN A BOTTOM-HEATED SQUARE CAVITY IN THE PRESENCE OF SURFACE RADIATION","authors":"S. Samantaray, S. Mahapatra, S. K. Jena, A. Sarkar","doi":"10.1615/COMPUTTHERMALSCIEN.2013007029","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2013007029","url":null,"abstract":"","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"21 1","pages":"401-423"},"PeriodicalIF":1.5,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67419586","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: 0
THE STATISTICAL THEORY OF MONOMOLECULAR FULLERENE FILM FORMATION ON THE CRYSTAL SURFACE 晶体表面形成单分子富勒烯薄膜的统计理论
IF 1.5
Computational Thermal Sciences Pub Date : 2013-01-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2013006342
S. Zaginaichenko, Z. Matysina, D. Schur, A. Zolotarenko
{"title":"THE STATISTICAL THEORY OF MONOMOLECULAR FULLERENE FILM FORMATION ON THE CRYSTAL SURFACE","authors":"S. Zaginaichenko, Z. Matysina, D. Schur, A. Zolotarenko","doi":"10.1615/COMPUTTHERMALSCIEN.2013006342","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2013006342","url":null,"abstract":"The theoretical study of fullerene film production on the crystal faces of (100) type of crystals with sc, bcc, fcc lattices is the subject of this paper. The calculation of equilibrium concentration of fullerenes С60, С70 and its dependence on temperature has been carried out. Investigation of processes adsorption-desorption of fullerenes on the crystal surface and possible special features of these processes has been discussed. The developed statistical theory of the process of fullerenes deposition on the metallic substrate permits to explain and justify the possibility of manifestation of these processes and reveal that passing of each process is defined to a large extent by the character and degree of interaction between fullerenes and atoms of metallic substrate.","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"5 1","pages":"189-194"},"PeriodicalIF":1.5,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1615/COMPUTTHERMALSCIEN.2013006342","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67419867","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: 0
DARCY MIXED CONVECTION IN A POROUS SQUARE ENCLOSURE UNDER SUCTION/INJECTION EFFECTS WITH SINUSOIDALLY VARYING TEMPERATURE ON THE LEFT VERTICAL WALL 左侧垂直壁面温度呈正弦变化的吸力/喷射作用下多孔方形壁面的达西混合对流
IF 1.5
Computational Thermal Sciences Pub Date : 2013-01-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2013003176
B. Kumar, S. Murthy
{"title":"DARCY MIXED CONVECTION IN A POROUS SQUARE ENCLOSURE UNDER SUCTION/INJECTION EFFECTS WITH SINUSOIDALLY VARYING TEMPERATURE ON THE LEFT VERTICAL WALL","authors":"B. Kumar, S. Murthy","doi":"10.1615/COMPUTTHERMALSCIEN.2013003176","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2013003176","url":null,"abstract":"","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"5 1","pages":"473-487"},"PeriodicalIF":1.5,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67419155","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
Numerical investigation of natural convection for vertical flat plate with fins 带翅片垂直平板自然对流的数值研究
IF 1.5
Computational Thermal Sciences Pub Date : 2013-01-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2013006272
M. K. Sinha, S. Dash
{"title":"Numerical investigation of natural convection for vertical flat plate with fins","authors":"M. K. Sinha, S. Dash","doi":"10.1615/COMPUTTHERMALSCIEN.2013006272","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2013006272","url":null,"abstract":"A finite-volume-based computational study of steady laminar natural convection from a finned isothermal vertica l plate with different fin arrays has been carried out to d etermine the heat transfer augmentation factor with different fi n aspect ratio, fin spacing and inclination of fin. Heat tra nsfer behaviors with the fins have been analyzed by exami ning variations of the local and average Nusselt numbers in twodimensional flow. Four different fin arrays heights (H = 6, 12, 18, 24 mm) and four different angles of inclina tion ( θ = 45°, 60°,75°, 90°) are considered. In order to understand the heat transfer characteri stics of this problem, a total of 96 cases for each of conductive and nonconductive fins are considered. It is found that s ignificant heat transfer augmentation is obtained for conduct ive (20% higher augmentation factor when the fin aspect rati o is 6, and angle of inclination is 60° and pitch-to-length rat io is 0.2) and non-conductive fins (10% higher augmentation fa ctor, at fin aspect ratio of 8, angle of inclination at 45° and pitch-tolength ratio at 0.5). A general correlation has bee n d veloped to predict the average Nusselt number for fin array s s a function of different fin configurations.","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"5 1","pages":"119-126"},"PeriodicalIF":1.5,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67419039","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: 3
Numerical Simulation of Mixed Convection Flow Over Heat Source Modules Mounted On A Horizontal Plate 安装在水平板上的热源模块上混合对流流动的数值模拟
IF 1.5
Computational Thermal Sciences Pub Date : 2013-01-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2012006524
K. Venkatasubbaiah, A. Anand
{"title":"Numerical Simulation of Mixed Convection Flow Over Heat Source Modules Mounted On A Horizontal Plate","authors":"K. Venkatasubbaiah, A. Anand","doi":"10.1615/COMPUTTHERMALSCIEN.2012006524","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2012006524","url":null,"abstract":"Mixed convection flow over heat source modules mounted on a horizontal plate has been studied numerically. The present analysis is valid when the buoyancy force effects are small compared to forced convection effects. The mixed convection flow problem is formulated by two-dimensional incompressible flow with the buoyancy term represented by the Boussinesq approximation. The governing equations are solved in the stream function and vorticity formulation using high accuracy finite difference schemes. Results are reported for single and two heat source modules mounted on a horizontal plate with and without thickness. The effects of induced velocity, heat input, thickness, and location of heat source modules on heat transfer rate and thermal field in the vicinity of heat sources are reported. Results have shown that there is a decrease of maximum temperature on heat source modules with increase in free-stream velocity of the fluid. Results show that the change of location and thickness of heat source modules has a significant effect on thermal flow field characteristics. The maximum temperature and average Nusselt number on heat source modules are reported at different parameters. The reported results agreed well with experimental results available in the literature.","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"132 1","pages":"27-41"},"PeriodicalIF":1.5,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67419125","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
NUMERICAL ANALYSIS OF CONJUGATE NATURAL CONVECTION AND SURFACE RADIATION IN AN ENCLOSURE WITH LOCAL HEAT SOURCE 带有局部热源的封闭室内自然对流与表面辐射耦合的数值分析
IF 1.5
Computational Thermal Sciences Pub Date : 2013-01-01 DOI: 10.1615/COMPUTTHERMALSCIEN.2012006040
S. G. Martyushev, M. Sheremet
{"title":"NUMERICAL ANALYSIS OF CONJUGATE NATURAL CONVECTION AND SURFACE RADIATION IN AN ENCLOSURE WITH LOCAL HEAT SOURCE","authors":"S. G. Martyushev, M. Sheremet","doi":"10.1615/COMPUTTHERMALSCIEN.2012006040","DOIUrl":"https://doi.org/10.1615/COMPUTTHERMALSCIEN.2012006040","url":null,"abstract":"","PeriodicalId":45052,"journal":{"name":"Computational Thermal Sciences","volume":"11 1","pages":"11-25"},"PeriodicalIF":1.5,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67418953","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: 16
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