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The purpose of this work is to validate the ability of the Westervelt equation to predict the behavior of ultrasound beams generated by steered phased array transducers. To this end, the Westervelt equation is solved numerically and the results obtained are compared with experimental measurements. The comparison of simulated and measured ultrasonic fields is performed for a modified 32-element linear...
The performance of household refrigeration systems is usually evaluated throughout experimental tests carried out at temperature and humidity controlled chambers so as to measure compressor power, discharge and suction pressures and temperatures in several system positions. These tests are expensive and time-demanding, e.g., a single start-up experiment can take more than 12 h to be performed. Although...
A three-dimensional mechanical-electrical-thermal coupled model is presented and validated both numerically and experimentally on a classical sphere-plane contact problem. The proposed approach combines a innovative Cell Method (CM) approach for the thermal-electrical analysis with a conventional FEM code for the mechanical analysis. Surface roughness and contact spot density are modeled by means...
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