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Sehen Sie sich die COMSOL Conference 2018 Kollektion an

Modeling the Effect of Headspace Steam on Microwave Heating of Mashed Potato new

J. Chen[1], K. Pitchai[1], D. Jones[1], J. Subbiah[1]
[1]University of Nebraska-Lincoln, Lincoln, NE, USA

Introduction: Domestic microwave ovens are widely used to heat food products, because of rapid and convenient heating. Nonuniform heating is the biggest issue in microwave heating process, which also causes food quality and safety issues. Microwave heating models are promising tools to ... Mehr lesen

Fresh Produce Safety During Hydrocooling: An Engineering Model new

A. Warning[1], A. K. Datta[1]
[1]Department of Biological & Environmental Engineering, Cornell University, Ithaca, NY, USA

Hydrocooling is the process by which warm produce is chilled with water. The chilling of warm produce generates a negative pressure differential between the produce (warm) and (cold) water due to the condensation of water vapor inside the produce which forms a vacuum and can pull in ... Mehr lesen

Design and Optimization of Cholesterol Biosensor

N. M. Sundaram[1], M. Alagappan[1]
[1]PSG College of Technology Coimbatore, Tamil Nadu, India

Cholesterol is an essential lipid for human body. The desired total plasma cholesterol for an individual is less than 5.2 mM (200 mg/dL) and it poses a potential health threat when the level is greater than 6.2 mM (240 mg/dL) [1]. Excessive plasma cholesterol causes poor cardiovascular ... Mehr lesen

Design de uma Fibra de Cristal Fotônico para a Propagação de Modos com Momento Angular Orbital

F. B. Mejía [1], M. F. V. de Almeida [1],
[1] Instituto Nacional de Telecomunicações - INATEL, Santa Rita do Sapucaí, MG, Brasil

Uma das formas de se conseguir a multiplexação modal de informações em uma fibra óptica é através do uso do momento angular orbital (OAM). Neste trabalho exploramos a riqueza estrutural das fibras de cristal fotônico (PCF) para aprimorar a transmissão de modos OAM. Usamos o RF Module do ... Mehr lesen

Stress Induced by Silicon-Germanium Integration in Field Effect Transistors

R. Berthelon [1], D. Dutartre [1], F. Andrieu [2]
[1] STMicroelectronics, France
[2] CEA Leti, France

The integration of high level of stress in field effect transistors is performed through incorporation of intrinsically strained SiGe layers. With the help of COMSOL simulations, we performed two studies addressing the level of stress in the area of interest. In the first case, we ... Mehr lesen


高阁 [1][2], 刘震宇 [1],
[1] 中国科学院长春光学精密机械与物理研究所,长春,吉林,中国
[2] 中国科学院大学,北京,中国

In order to satisfy the requirements of modern range measuring technology, photoelectric theodolites gradually develop towards lightweight and minitype design. As a consequence, the mobile theodolite is becoming a hot spot recently. New requirements are raised for the theodolite base ... Mehr lesen

Simulating the Response of Planar Photonic Structures Under the Strain of Surface Acoustic Waves

O. D. D. Couto Jr. [1], A. C. T. Covacevice [1],
[1] Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, Campinas, SP, Brazil

In this contribution, we simulate the optical response of piezoelectric planar optical microcavities (POMCs) under the modulation introduced by a propagating surface acoustic wave (SAW). The physical picture of the model is shown in Figure 1. A metallic interdigital transducer (IDT) is ... Mehr lesen

Tunable Resonance of Star Shaped Nanostructures

R. Díaz de León-Zapata [1,2], B. Mora [2], M. Jose-Yacaman [3], F. J. Gonzalez [2]
[1] Instituto Tecnológico de San Luis Potosí, Av. Tecnológico s/n, San Luis Potosí, S.L.P., Mexico
[2] Universidad Autónoma de San Luis Potosí, CIACyT, San Luis Potosí, S.L.P., Mexico
[3] University of Texas at San Antonio, San Antonio, TX, USA

Auto assembled Ag-ZnO [1] star shaped nanostructures depicted in figure 1, presents their natural electromagnetic resonance at 60 THz. In this work we present that is possible to change this value by covering it with a variable in thickness layer of gold. The analysis is performed by ... Mehr lesen

Modeling Bio-Sensing Functionalized Graphene Building Blocks under Environmental Stimuli

E. Lacatus [1],
[1] Polytechnic University of Bucharest, Bucharest, Romania

Successive studies on graphene, reactive-edge graphene, and pore functionalized graphene were conducted throughout the use of the extended capabilities of COMSOL Multiphysics® modules, modeling and simulating the activation of functionalized building-blocks made of graphene and C- ... Mehr lesen

Finite Element Evaluation of the Strength of Silicide-Based Thermoelectric Modules

A. Miozzo [1], S. Boldrini [1], A. Ferrario [1], M. Fabrizio [1],
[1] Institute of Condensed Matter Chemistry and Techologies for Energy - National Research Council of Italy, Padova, Italy

Silicide-based thermoelectric modules (TEMs) for power generation operate at mid-high temperature range. In the operating conditions, thermal stresses in materials with different coefficient of thermal expansion may reduce the mechanical strength of the modules. In this work, a finite ... Mehr lesen