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A Theoretical Study of the St. Louis Heat Island: Comparisons Between Observed Data and Simulation Results on the Urban Heat Island Circulation
Publisher: American Meteorological Society
Abstract: A three-dimensional primitive model was used to predict the early afternoon wind velocity field over St. Louis, Missouri. Four case studies were then performed where model results at various levels were compared with ...
Springboard Droplet Bouncing on Flexible Superhydrophobic Substrates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Droplet impact on rigid, superhydrophobic surfaces follows the well-known spreading, recoil, and lift-off behavior at lower impact speeds (a), and splashing at higher impact speeds (b). The contact time tc of these bouncing ...
Controlling the Contact Times of Bouncing Droplets: Droplet Impact on Vibrating Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Droplet impact on vibrating solids is ubiquitous in nature and industrial applications, including impact on turbine blades, insect wings, or during spray cooling of electronic systems and steel manufacturing processes. ...
Droplet Impingement and Vapor Layer Formation on Hot Hydrophobic Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We use pump–probe thermal transport measurements and high speed imaging to study the residence time and heat transfer of small (360 خ¼m diameter) water droplets that bounce from hydrophobic surfaces whose temperature ...
Observations and Simulations of the Diurnal Variation of the Urban Heat Island Circulation and Associated Variations of the Ozone Distribution: A Case Study
Publisher: American Meteorological Society
Abstract: The observed surface and upper air temperature and wind field patterns on 8 June 1976 in St. Louis, Missouri, were analyzed and compared with simulation results from a three-dimensional hydrodynamic model. An urban heat ...
Reduced Order Design Optimization of Liquid Cooled Heat Sinks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The recent growth in electronics power density has created a significant need for effective thermal management solutions. Liquid-cooled heat sinks or cold plates are typically used to achieve high volumetric power density ...
Thermomechanical Modeling of Scanning Joule Expansion Microscopy Imaging of Single Walled Carbon Nanotube Devices
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An analytical model, validated by experiments and finite element simulations, is developed to study the thermal imaging of singlewalled carbon nanotube (SWNT) devices by scanning Joule expansion microscopy (SJEM). A simple ...
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