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Comparison of 2D Conduction Models for Vertical Ground Coupled Heat Exchangers

A. Priarone[1], and S. Lazzari[2]
[1]DIPTEM-TEC, Università di Genova, Genova, Italia; Corresponding Author: a.priarone@unige.it
[2]DIENCA, Università di Bologna, Bologna, Italia

The effect of the infinite length approximation on evaluating the temperature of the surface of Borehole Heat Exchangers is determined by means of ...

Multi-Domain Analysis of Silicon Structures for MEMS Based-Sensors

N. Bhalla[1], S. Li[2], and D. Chung[1]
[1]Chung Yuan Christian University, Chungli,Taiwan
[2]National Tsing Hua University, Hsinchu, Taiwan

Investigation in this paper aims at performing Mechanical Stress Strain analysis, Thermal, Piezoresistive and Piezoeletric analysis of Silicon Structures using COMSOL. The simulation results have been cross checked by mathematical calculation.

A Wide Range MEMS Vacuum Gauge Based on Knudsen’s Forces

V. Sista, and E. Bhattarchaya
Microelectronics and MEMS Lab
Department of Electrical Engineering
Indian Institute of technology Madras
Chennai, India

A MEMS based Knudsen’s pressure gauge working in the range of 1e-5 mbar to 10 mbar is designed and simulated in COMSOL. The working principle is based ...

Bone Remodeling Following Total Hip Replacement: Short Stem Versus Long Stem Implants

M.S. Yeoman[1], A. Cizinauskas[1], C. Lowry[2], G. Vincent[3], S. Collins[3], D. Simpson[3]
[1]Continuum Blue, Tredomen, Ystrad Mynach, United Kingdom
[2]Corin Group, Cirencester, United Kingdom
[3]Imoprhics, Manchester, United Kingdom

Bone resorption around hip stems, in particular periprosthetic bone loss, is a common observation post-operatively. A number of factors influence the ...

Piezoelectric Transducers and Ultrasound Imaging: Impact of Materials Properties and Multiphysics Aided Design


Marco Cati graduated cum laude and encomium citation in electronic engineering in 2001 from the University of Florence, where in 2005 he also received ...

Drug Distribution in the Human Eye

L. Murtomäki[1], T. Kainuvaara[1]
[1]University of Helsinki, Helsinki, Finland

Drug therapy of the posterior segment of an eye is very challenging due to the difficult accessibility. Modern drugs often are large molecules, such as ...

The Friction Coefficient of Fractal Aggregates in the Continuum and the Transition Regimes

A. Melas[1][3], A.G. Konstandopoulos[1], L. Isella[2], Y. Drossinos[1]
[1]Department of Chemical Engineering, Aristotle University, Thessaloniki, Greece
[2]European Commission, DG Energy, Luxemburg
[3]European Commission, Joint Research Centre, Ispra, Italy

Aerosol and colloid aggregates are complex fractal-like structures composed of primary spheres. The drag force exerted on a fractal-like object is ...

Lowering of the Interstitial Fluid Pressure as a Result of Tissue Compliance Changes during High Intensity Focused Ultrasound Exposure: Insights from a Numerical Model

E. Sassaroli[1], B. O'Neill [1]
[1]The Methodist Hospital Research Institute, Houston, TX, USA

Interstitial fluid pressure (IFP) is elevated in tumors. Owing to this elevated IFP, the interstitial fluid velocity (IFV) is negligible throughout the ...

Thermo-Fluid Dynamics of Flue Gas in Heat Accumulation Stoves: Study Cases

D. Rossi[1], P. Scotton[1]
[1]University of Padova, Department of Geosciences, Padova, Italy

The research aims to clarify some aspects of the thermo-fluid dynamics of woody biomass flue gas, within the twisted conduit inside the heat ...

Multiphysics Simulations in the Ultrasonic Industry

P.A. Colombo[1]
[1]DepQuest, Dalmine, Italy

This work focuses on the application of multiphysics finite element simulations in the manufacturing and application of high power ultrasonic machines. ...

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