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Papers & Presentations

Browse by Application Area Browse by Conference

Showing results 1 - 20 of 207

Heat Transfer

	2D Simulations and Electro-Thermal Analysis of Microheater Designs using COMSOL for Gas Sensor Applications Microheaters have been widely investigated because of their extensive applications in gas sensors, flow rate sensors and other Microsystems. The geometric optimization for the microheater was performed by simulating a wide range of... COMSOL Conference 2010, Bangalore G. Velmathi, N. Ramshanker, and S. Mohan Department of Instrumentation, Indian Institute of Science, Bangalore, Karnataka, India
	3D FEM-analysis of a Micromachined Wind Sensor Based on a Self-heated Thermistor Array We present COMSOL-based analyses and design optimizations of a micromachined wind sensor. The sensor relies on eight germanium thermistors embedded in a thin silicon nitride membrane, where two orthogonally arranged ensembles, each... COMSOL Conference 2011, Stuttgart A. Talic¹ , S. Cerimovic² , M. Mutapcic² , R. Beigelbeck¹ , and F. Keplinger² ¹ Institute for Integrated Sensor Systems, Austrian Academy of Sciences, Wiener Neustadt, Austria ² Institute of Sensor and Actuator Systems, Vienna University of Technology, Vienna, Austria
	3D Inductive Phenomena Modelling This paper deals with the Cage System, developed by Roctool, which heats and transforms composite materials. The simulation shows the importance of the inductor design and position relative to the mold. COMSOL Conference 2006, Paris R. Ernst¹ , D. Perrier² , J. Feigenblum² , and R. Hemous² ¹ EPM - CNRS ² Roctool
	3D Modeling and Simulation of the Electromagnetic and Thermal Properties of Microwave and Millimeter Wave Electronics Packages The COMSOL Multiphysics package has been used in this work to model and simulate the electromagnetic and thermal properties of GaAs pHEMT based Monolithic Microwave Integrated Circuits (MMIC), and a multi-chip millimeter wave package... COMSOL Conference 2006, Birmingham J. Ding, and D. Linton Queen’s University, Belfast
	3D Modeling and Simulation of the Thermal Performance of Solid Cyclotron Targets COMSOL Multiphysics was used to model and simulate the thermal performance of solid targets irradiated with charged particles.Results showed that materials with a high thermal conductivity to heat capacity ratio behave better in cooling... COMSOL Conference 2007, Boston M. A. Avila-Rodriguez¹, J. A. Sader¹, and S. A. McQuarrie^1,2 ¹Edmonton PET Centre, Cross Cancer Institute, University of Alberta, Edmonton, AB, Canada ²Faculty of Medicine and Dentistry, Division of Oncologic Imaging, University of Alberta, Edmonton, AB, Canada
	3D Simulation of Heat and Moisture Diffusion in Constructions The simulation of heat and moisture transfer represents an essential resource in designing energy efficient buildings. In this paper a time-dependent wall model, consisting of several homogeneous domains, with third-type boundary... COMSOL Conference 2011, Stuttgart M. Bianchi Janetti, and F. Ochs University of Innsbruck Unit Building Physics Innsbruck, Austria
	3D Simulation of the Thermal Response Test in a U-tube Borehole Heat Exchanger Simulated Thermal Response Test (TRT) data are analyzed in order to evaluate the effect of the tridimensionality model’s feature in determining the proper value of the soil thermal conductivity and borehole thermal resistance.... COMSOL Conference 2009, Milan L. Schiavi¹ ¹ Dipartimento di Ingegneria Industriale, Università di Parma, Parma, Italy
	Active Infrared Technique for Landmine Detection: Numerical and Experimental Results Landmines are an open problem in many countries of the world. They cause injuriesand death and no technique proposed to date guarantees fast and 100% reliable detection alone. To this purpose, at the Humanitarian Demining Laboratory of... COMSOL Conference 2010, Paris P. Fallavollita^1,2 , S. Esposito^1,2 , and M. Balsi^1,2 ¹ Dipartimento di Ingegneria dell’Informazione, Elettronica e Telecomunicazioni, “La Sapienza” University, Rome, Italy ² Humanitarian Demining Laboratory, Cisterna di Latina, Italy
	A Heat Transfer Model for Ugitech’s Continuous Casting Machine Dr. Christian Deville-Cavellin is a Research Engineer at Ugitech's Research Center, since 1995. Ugitech, member of the Schmoltz & Bickenbach group, is a stainless steel, long products producer. C. Deville-Cavellin is responsible for... COMSOL Conference 2008, Hannover C. Deville-Cavellin Dr. Liquid Metal Metallurgy and Solidification department Ugitech’s Research Center, Ugine, France
	A High-Efficiency Micro-Channel Regenerative Heat Exchanger for Fluid Processing Regenerative heat exchangers (RHX) find widespread applications in liquid food or pharmaceutical processing as well as in reaction engineering. Whereas \"large\" RHX systems have been in use for a long time, their smaller micro-channel... COMSOL Conference 2011, Boston O. Yildirim, and Z. Guo Intellectual Ventures Laboratories Bellevue, WA
	A Modeling Study of Diffusion Wear of Carbide Tools in Titanium Machining COMSOL Multiphysics has been used to model the temperature distribution produced inside a tool as a result of the forces and friction involved in a cutting process, along with the resulting diffusional flow of cobalt binder from the... COMSOL Conference 2007, Boston M. Crosskey and E. Gutierrez-Miravete Department of Engineering and Science, Rensselaer at Hartford, Hartford, CT, USA
	A Multiphysics Approach to Fundamental Conjugate Drying by Forced Convection Heat and mass transfer involved in drying is studied by using COMSOL 3.4. The effect of air temperature on the performance of the drying process applied to fresh food slices is scrutinized. COMSOL’s flexible formulation is exploited by... COMSOL Conference 2008, Hannover M. de Bonis, and G. Ruocco DITEC, Universitµa degli studi della Basilicata, Campus Macchia Romana, Potenza, Italy
	Analysis and Topology Optimization of Heat Sinks with a Phase-Change Material using a COMSOL Multiphysics Platform This paper presents the analysis and optimal design of the transient heat conduction problem involving phase change for a passive electronic cooling device. Both the analysis and topology optimization are carried out in the integrated... COMSOL Conference 2006, Bangalore V.S.S. Srinivas, and G.K. Ananthasuresh Indian Institute of Science, Bangalore
	Analysis of Burning Candle Analysis of burning candles is extremely complex; combustion produces a highly non-linear temperature profile through the flame in which local temperatures may exceed 1400 °C. Heat transfer includes radiation, conduction and convection... COMSOL Conference 2010, Boston J.S. Crompton, L.T. Gritter, S.Y. Yushanov, and K.C. Koppenhoefer AltaSim Technologies LLC, Columbus, OH, USA
	Analysis of Coupled Dynamics of Molten Salt Reactors This paper presents a preliminary analysis of the coupled thermo-hydrodynamics and neutronics of circulating nuclear fuel systems in a nuclear reactor that adopts a molten salt mixture. This flows up through channels in a graphite... COMSOL Conference 2008, Hannover V. Di Marcello, A. Cammi, and L. Luzzi Department of Energy, Nuclear Engineering Division (CeSNEF), Politecnico di Milano, Milano, Italy
	Analysis of Heat Conduction across Multi-layer Materials A comparison of the thermal diffusion solution about "Response Function Method" and "COMSOL Multiphysics".This presentation is written in Japanese. COMSOL Conference 2007, Tokyo T. Baba AIST: National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology, Japan
	Analysis of Heat Transfer and Phase Change in Laser-Assisted Direct Imprinting Processes In this study, a model cast in COMSOL Multiphysics has been developed for the analysis of heat transfer and phase change during laser-assisted direct imprinting processes. The features of this model include the employment of... COMSOL Conference 2007, Taipei F. K. Chung, Y. L. Wang, C. H. Chen Department of Mold and Die Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung , Taiwan
	Analysis of Infrared Signature of a Ship Operating in MIR and FIR Bands In this paper a methodology for calculating the infrared signature of complex objects is presented. The transient thermal analysis allows us to evaluate the temperature distribution on the investigated object, pointing out which parts... COMSOL Conference 2009, Milan A. Pellegrini¹ , A. Beucci¹ , and F. Costa¹ ¹ ALTRAN Italia, Pisa, Italy
	Analysis of Thermoelectric Phenomena Thermoelectric phenomena provide the direct conversion of heat into electricity or electricity into heat, the phenomena is described by three related mechanisms: the Seebeck, Peltier and Thomson effects. Thermoelectric devices have... COMSOL Conference 2011, Boston J. Crompton, S. Yushanov, L. Gritter, and K. Koppenhoefer AltaSim Technologies, LLC. Columbus, OH
	An Analysis of the Thermal Effects of Focused Laser Beams on Steel This paper reports the results of a heat conduction analysis of the laser heat treatment process of steel using analytical methods, a finite difference numerical method and the finite element method in COMSOL. Initially, simplified... COMSOL Conference 2007, Boston E. Rogers, and E. Gutierrez-Miravete Department of Engineering and Science, Rensselaer at Hartford, Hartford, CT, USA

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Heat Transfer