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  • Particle image velocimetry studies of low Reynolds number flow in branching flow networks

    Creator:
    Kwak, Younghoon
    Abstract:
    A particle image velocimetry system was established to determine flow fields in low Reynolds number flows through a branching flow network. Due to the fabrication procedure of the test device, flows were limited to a Reynolds number of 1.5 in the largest channel. Data was acquired at each channel inlet,...
    Resource Type:
    Masters Thesis

  • Sustainable power management of microelectronics

    Creator:
    Muhtaroglu, Ali
    Abstract:
    The integration of renewable energy sources and the associated power electronics to notebook power and thermal management systems was investigated in this work. Both thermoelectric (TE) and photovoltaic (PV) energy extraction techniques were explored with the goal of achieving best sustainability. Semi-realistic usage assumptions were taken into account to evaluate...
    Resource Type:
    Dissertation
    Full Text:
    heat from the electronic module [21]. Liquid cooling enables heat spreading over a bigger area and

  • Laminar microchannel cooling of integrated circuits

    Creator:
    Lienau, Jeffrey Jay
    Abstract:
    Liquid cooled, laminar microchannel heat sinks were earlier proposed by Tuckerman for cooling high heat generating integrated circuits and high power microwave generation systems using photoconductive switches. A method of computationally analyzing the heat sinks is presented which produces the desired temperature and velocity distributions within the heat sinks. The...
    Resource Type:
    Masters Thesis
    Full Text:
    Laminar microchannel cooling of integrated circuits AN

  • Experimental study of subcooled water spray cooling using flow symmetric micro-structured surfaces

    Creator:
    Tulchinsky, Alex M.
    Abstract:
    Spray impingement cooling has been shown to be a leading candidate for future high heat flux cooling applications. In general, spray cooling curves consist of three heat flux regimes; single-phase, two-phase and critical heat flux (CHF). CHF is considered the design limit for almost all two-phase cooling applications, as a...
    Resource Type:
    Masters Thesis
    Full Text:
    management of electronic devices. Spray cooling of electronics is still a developing technique but is

  • Microscale thermal management using membrane vapor extraction

    Creator:
    Apreotesi, Mario A.
    Abstract:
    With the miniaturization of microelectronics and increase of processor speeds in the last few decades, thermal management is drastically affecting overall packaging and system capabilities. Due to the special needs introduced, research focusing on microscale cooling has increased. This study combines the positive characteristics of single- and two-phase flows in...
    Resource Type:
    Honors College Thesis
    Full Text:
    . The size, shape and configuration of electronic modules were investigated to maximize cooling

  • Local heat transfer rate and bubble dynamics during jet impingement boiling

    Creator:
    Mani, Preeti
    Abstract:
    Characterization of local boiling trends, in addition to the typically reported area-averaged trends, is essential for the robust design and implementation of phase change technologies to sensitive heat transfer applications such as electronics cooling. Obtaining the values of heat fluxes corresponding to locally varying surface temperatures has been a challenge...
    Resource Type:
    Dissertation
    Full Text:
    flux distribution. The microscale heater simulates a local hot-spot for spot cooling on an electronic

  • Performance and flow stability characteristics in two-phase confined impinging jets

    Creator:
    Sabo, Michael D.
    Abstract:
    Advances in electronics fabrication, coupled with the demand for increased computing power, have driven the demand for innovative cooling solutions to dissipate waste heat generated by these devices. To meet future demands, research and development has focused on robust and stable two-phase heat transfer devices. A confined impinging jet is...
    Resource Type:
    Masters Thesis
    Full Text:
    power, have driven the demand for innovative cooling solutions to dissipate waste heat generated by

  • Submerged jet impingement boiling thermal management

    Creator:
    Cardenas, Ruander
    Abstract:
    Technologies such as avionics and power electronics are driving the demand for thermal management schemes towards high heat fluxes and low surface temperatures. Typically, these applications require the dissipation of heat fluxes in the rage of 100-1000 W/cm² while maintaining surface temperatures lower than about 85 °C. Phase-change heat transfer...
    Resource Type:
    Dissertation
    Full Text:
    Bapat [1] Several cooling schemes have been widely employed for the dissipation of