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Direct Immersion Cooling Via Nucleate Boiling of HFE-7100 Dielectric Liquid on Hydrophobic and Hydrophilic Surfaces

Description: This study experimentally investigated the effect of hydrophobic and hydrophilic surfaces characteristics on nucleate boiling heat transfer performance for the application of direct immersion cooling of electronics. A dielectric liquid, HFE – 7100 was used as the working fluid in the saturated boiling tests. Twelve types of 1-cm2 copper heater samples, simulating high heat flux components, featured reference smooth copper surface, fully and patterned hydrophobic surface and fully and patterned … more
Date: December 2014
Creator: Joshua, Nihal E.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Development and Test of High-Temperature Piezoelectric Wafer Active Sensors for Structural Health Monitoring

Description: High-temperature piezoelectric wafer active sensors (HT-PWAS) have been developed for structure health monitoring at hazard environments for decades. Different candidates have previously been tested under 270 °C and a new piezoelectric material langasite (LGS) was chosen here for a pilot study up to 700 °C. A preliminary study was performed to develop a high temperature sensor that utilizes langasite material. The Electromechanical impedance (E/M) method was chosen to detect the piezoelectric p… more
Date: December 2014
Creator: Bao, Yuanye
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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