Amjad J. Aref

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Abstract: A humidification-dehumidification (HD) solar desalination unit was designed. It seems to be suitable to provide drinking water for population or remote arid areas. Solar water and solar air collectors were designed to provide the hot water and air to the desalination chamber. The desalination chamber was divided into humidifier and dehumidifier(More)
Based on thermodynamic principles, we derive expressions quantifying the non-harmonic vibrational behavior of materials, which are rigorous yet easily evaluated from experimentally available data for the thermal expansion coefficient and the phonon density of states. These experimentally-derived quantities are valuable to benchmark first-principles(More)
The finite element (FE) method offers an efficient framework to investigate the evolution of phononic crystals which possess materials or geometric nonlinearity subject to external loading. Despite its superior efficiency, the FE method suffers from spectral distortions in the dispersion analysis of waves perpendicular to the layers in infinitely periodic(More)
Improving student retention in engineering programs is an on-going and important goal. Some reasons given for poor retention of engineering freshman are lack of contact with engineering faculty during freshman courses, and a lack of understanding on the part of students of what they will do as engineers when they graduate. Case studies are one method that(More)
  • Andre Filiatrault, Amjad Aref, +4 authors Andrew Whittaker
  • 2004
This paper describes the research currently underway at the Multidisciplinary Center for Earthquake Engineering Research (MCEER) on the applications of a broad range of seismic response modification technologies to protect structural and nonstructural systems and components in acute care facilities from the effects of earthquakes. An important component(More)
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