Presentazioni e Articoli Tecnici

In questa sezione troverete i lavori presentati alle Conferenze mondiali COMSOL. Le presentazioni descrivono ricerche e prodotti innovativi progettati con COMSOL Multiphysics da colleghi di tutto il mondo. I temi delle ricerche presentate abbracciano un'ampia gamma di settori produttivi e aree applicative, in ambito elettrico, meccanico, fluidodinamico e chimico. Lo strumento di Ricerca Rapida vi permetterà di trovare le presentazioni che si riferiscono all'area di vostro interesse.

Electromagnetic Release Process for Flexible Electronics

G. Coryell[1][,][2]
[1]School for Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ, USA
[2]Chemistry Department, United States Naval Academy, Annapolis, MD, USA

Flexible electronics are temporarily affixed to a rigid carrier such as glass or silicon prior to device fabrication to facilitate robotic handling of the device, but also to allow optical lithography to stay within overlay design registration budget; without the rigid carrier, a freestanding flexible substrate such as polyimide would distort unacceptably during even minor temperature excursions ...

Computational Analysis of Evaporation in Tailored Microchannel Evaporators

S. Arslan[1], J. Brown[1]
[1]Lawrence Technological University, Southfield, MI, USA

The rapid increase in power densities of integrated circuits has induced a significant interest in new reliable and high heat flux cooling technologies. The implication of such growth is the increased need for more efficient and more compact cooling mechanisms. Promising research has been conducted in the area of MEMS cooling devices, taking advantage of the increased heat transfer ...

Finite Element Modeling of the Stress Field in a Cell-Seeded Microchannel

G. Zhu, and Y. Li
Lawrence Technological University, Southfield, MI, USA

Fluids used in biomedical microelectromechanical systems (BioMEMS) devices often exhibit very different flow behavior from those in bulk solutions, which in turn affects the behavior of cells and biomolecules in the device. In this work, we investigate an integrated microfluidic system for living cell culture and assay. The system can be used as a generic platform to study the behavior of ...

Design and Characterization of a Novel High-g Accelerometer

S. Heß, R. Külls, and S. Nau
Fraunhofer Ernst-Mach-Institut
Efringen-Kirchen, Germany

The Fraunhofer Ernst-Mach-Institute (EMI) developed a novel, high-g accelerometer, which is an undamped MEMS device, containing self-supporting piezoresistive elements. The main requirements for such a sensor are high sensitivity, high resonant frequency and a solid mechanical design. Due to the fact, that pure analytic analyses cannot cover all multi-physical aspects of such a complex device the ...

Simulation of Thermal Sensor for Thermal Control of a Satellite using COMSOL

G. Mangalgiri
BITS Pilani
K K BIRLA GOA CAMPUS
Zuarinagar, Goa
India

Spacecrafts have a prime necessity that their temperature be controlled. This paper presents the simulation of a mechanically actuated field effect transistor that is used in a thermal system. It comprises of a composite beam, a piezoelectric substrate and a field effect transistor. The temperature rise causes a deflection in the composite beam thereby causing it to impinge on the piezoelectric ...

Novel Sensor Technology for Point of Care Diagnostics

V. Djakov
Sensor Development Director
Microvisk Technologies Ltd
UK

Dr Vladislav Djakov is the co-founder of Microvisk Technologies Ltd and the inventor of its MEMS-based Technology. Born in Belgrade, Serbia he came to UK in 1995 to pursue M.Sc. in Artificial Intelligence followed by Ph.D. in Micro-robotics. With over 14 years of extensive ‘hands-on’ expertise on a number of micro-fabrication techniques, using standard and novel materials, as well as ...

Design of a RF MEMS Switch

B. Mishra, M. P. S. Naidu, J. Raj, and Z. C. Alex
VIT University
Vellore
Tamilnadu, India

This paper presents a novel design of a RF MEMS Switch. The switch is a capacitive type, which is actuated by an electrostatic force. The structure of the switch consists of a CPW (coplanar waveguides) transmission lines and a suspended membrane. The modelling of switch is done using COMSOL software and RF characteristics is found out by using CST software.

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