Multiphysics Modeling and Simulation of MEMS Based Thermal Bimorph Sensor Array for Automated Solar Energy Storage Applications
K. Umapathi, V. K. Kanna, R. Gowthami, M. Alagappan, and A. Gupta
PSG College of Technology
Tamil Nadu, India
Two bimorph array facing opposite to each other are designed and attached with metal micro plates. The micro solar cell (or) film can be placed on the top of each plate for storing the energy. With respect to the direction of sun light, one bimorph array receives more energy in the form of heat than the other and deflects accordingly. The deflection of the bimorph array depends on the material ...
V. Sista, and E. Bhattarchaya
Microelectronics and MEMS Lab
Department of Electrical Engineering
Indian Institute of technology Madras
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 on Knudsen’s forces that arise when two plates are held at different temperatures and their separation is comparable to the mean free path of the ambient gas molecules. The forces change the separation between the plates and capacitance between ...
P. K. Podder, D. Mallick, D. P. Samajdar, and A. Bhattacharyya
Institute of Radio Physics and Electronics
University of Calcutta
West Bengal, India
In this paper, we have addressed the issues related to the design and simulation of MEMS based silicon micro-needles for insertion of fluid into the dermis layer and into the subcutaneous fat layer. In addition, a poly-silicon micro-pump based on the principle of electrostatic actuation has been designed and simulated which can be integrated with the proposed micro-needles to control the fluid ...
Heat Generation from Dielectric Loss, Internal Heat Generation and Vibration in COMSOL4.2 Multiphysics
T. R. Jeba, B. Vins, and V. Ramamoorthy
This paper presents a FEA approach to estimate temperature rise and thermal stress experienced in PZT/Solid structure due to internal heat generation and dynamic excitation. The power dissipative density consumed by structural damping of the mass structure, internal heat generation due to applied voltage and dielectric loss of the PZT material is first determined. The dissipative power is then ...
R. C. Thiagarajan
ATOA Scientific Technologies Private Limited
Ultrasonic acoustic waves usually encounter interfaces with significant impedance mismatch in practical medical or industrial imaging applications. A transparent interface can help to improve the performance of medical and industrial imaging and overall innovative applications. Similarly, a broadband total reflection interface can help to improve the architectural or transportation barrier ...