نتایج جستجو برای: thermomechanical sources
تعداد نتایج: 292987 فیلتر نتایج به سال:
Abstract—In this study, the thermoelastic instability (TEI) was analyzed using the finite element analysis technique. The governing dynamic and heat equations were described. Three dimensional thermomechanical analysis model of the disc brake system were created. An intermediate processor based on the staggered approached was used to exchange result data: temperature, friction contact power, no...
The thermal expansion of a fluid combined with a temperature-dependent viscosity introduces nonlinearities in the Navier-Stokes equations unrelated to the convective momentum current. The couplings generate the possibility for net fluid flow at the microscale controlled by external heating. This novel thermomechanical effect is investigated for a thin fluid chamber by a numerical solution of th...
We report a novel experimental approach to point-contact Andreev reflection spectroscopy with diagnostic capability via a unique design for nanoscale normal metal/superconductor devices with excellent thermomechanical stability, and have employed this method to unveil the existence of two superconducting energy gaps in iron chalcogenide Fe(1+y)Te(1-x)Se(x), which is crucial for understanding i...
Even under normal operating conditions, power devices are subject to temperature changes that generate high level of stress repeatedly causes mechanical breakdown. In this context thermomechanical simulations are necessary to predict life time and guarantee a longer lifespan. This paper aims to modeling electro-thermo-mechanical behavior of a vertical power transistor for predicting the influen...
The alloys vitL T~lernioelastic Martensicic Transfornation, like the Cu-Zn--el, exhibit, a£ ter a thermomechanical treatment named "training", The Two Way Shape Memory Effect. We have compared internal friction measurements versus amplitude for a "trained" and a "virgin" sample. Tie obtained results are coherent with the existence in the "trained" saruple of particular sets of dislocations. The...
An unified viscoplastic model with internal kinematic variables is used to improve the description of the uniaxial and proportional loadings performed in the pseudoelastic range of shape memory alloys. There is a good agreement between experimental data and simulations. Moreover, this constitutive set of equations is efficient for the description of internal loops and the isothermal cyclic load...
A comprehensive thermal and mechanical modeling and experimentation program in advanced packaging has led to the systematic thermomechanical analysis of very large scale integrated device packages, board-level structures, and surface-mounted electronic systems. Model validation and analytical results have been correlated with data from extensive experimental testing, and new techniques have bee...
Education I achieved the bachelor degree in Mechanical Engineering with the best marks (110/110 con lode) at the Università Politecnica delle Marche in July 2005. At the same University, in July 2007 I achieved the master degree in Thermomechanical Engineering with the best marks (110/110 con lode). In the academic years 2007-2010 I attended the PhD school in Energy at the Department of Energy ...
Thermomechanical Sensitivity of Microcantilevers in the Mid-Infrared Spectral Region B. Kwon a , C. Wang a , K. Park b , R. Bhargava c & W. P. King a a Department of Mechanical Science and Engineering , University of Illinois Urbana–Champaign , Urbana, Illinois b Department of Mechanical, Industrial and Systems Engineering , University of Rhode Island , Kingston, Rhode Island c Department of Bi...
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