Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 174 for “"condenser"”.
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Scoop condenser tests and investigation
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Naval Architecture and Marine Engineering, 1940.
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An experimental study of condenser scoops
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Naval Architecture and Marine Engineering, 1938.
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Tests on models of condenser scoops
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Naval Architecture and Marine Engineering, 1937.
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A study of residual charge of condenser
… that the complete charging and discharging of a condenser with complex dielectric involved a time element. Particularly, it was noted that a condenser could be discharged to zero potential, allowed to stand for an interval of time and a discharge then secured from the condenser. In some cases …
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Modeling and characterization of microelectromechanical systems condenser microphone
MEMS Condenser microphones are becoming a promising technology to substitute the current standard microphones as they have several benefits such as batch fabrication, integration feasibility, low noise level, stable frequency response and high sensitivity; so their demand is increasing and is …
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Heat transfer coefficients in a falling film condenser
Thesis: M.S., Massachusetts Institute of Technology, Department of Chemical Engineering, 1935
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A silicon micromachined subminiature condenser microphone : analysis, design, fabrication and testing
… frequency range. The fundamental elements of a condenser microphone comprises of a diaphragm, backplate, airgap, and rear volume cavity. In order to analyze any system for its response behavior due to a particular loading, it is essential to obtain the characteristic properties of the system in …
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Urban space heating with a heat pump-condenser temperature water system
Thesis: M.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1976
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Design, fabrication, and characterization of a multi-condenser loop heat pipe
A condenser design was characterized for a multi-condenser loop heat pipe (LHP) capable of dissipating 1000 W. The LHP was designed for integration into a high performance aircooled heat sink to address thermal management challenges in advanced electronic systems. The multi-layer stack of …
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A numerical analysis of condenser performance of a seawater desalination system
… presents the numerical analysis of three type condensers for desalination of seawater system. The condensers that were analyzed were a finned tube condenser that was built in Malaysia desalination plant, a cooling tube condenser in Jordan, and a common plate finned tube condenser. The goal of …
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Free-field reciprocity calibration of condenser microphones in the low ultrasonic frequency range
… for the free-field calibration of 1/4-inch condenser microphones by the reciprocity method, and enables traceable measurements of the free-field sensitivity of condenser microphones in the low ultrasonic frequency range from 20 kHz to 160 kHz. A new, fully automated measurement set-up for …
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Technoeconomic Analysis of Textured Surfaces for Improved Condenser Performance in Thermoelectric Power Plants
… using an electrodeposition process for condenser tubes in thermoelectric power plants. The textured surfaces are expected to provide enhanced performance by deterring fouling and promoting dropwise condensation of the steam on the shell side. Using a thermal resistance network of a shell …
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Design and testing of an air-cooled condenser for use with mixed working fluids
Includes bibliographical references (pages 62-63).
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Design and performance characterization of high power density air-cooled compact condenser heat exchangers
… and characterization of ultra-compact air-cooled condenser heat exchangers with exceptional power density performance in excess of 100 W/cm3. This exceptional heat exchanger performance is attributed to the implementation of high-speed compressible air flow in circular microchannels and two-phase …
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Development of a compensation chamber for use in a multiple condenser loop heat pipe
… heat exchangers like PHUMP, the multiple condenser loop heat pipe presented here. This device features a number of design improvements that lead to significant increases in performance relative to state of the art heat exchangers. In this work, a compensation chamber is developed and …
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The effect of condenser temperature and location on the molecular distillation characteristics of stearic acid
… that the distance between the evaporator and condenser of the molecular still is not as critical, as far as mean free-path design criteria are concerned, as formerly believed. It had been recommended that studies be made on the present apparatus at Virginia Polytechnic Institute to determine …
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Design and fabrication of an internal condensation loop for effectiveness and robustness testing of nanostructured superhydrophobic steam condenser
… improving the condensation process. Industrial condensers feature once-through water cooling, and the substantial amount of water they consume coupled with the increasing scarcity of freshwater supplies provides further motivation to focus on the condensation process. Condensation in these …
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Development of an air-cooled, loop-type heat pipe with multiple condensers
… of a novel loop-type heat pipe with multiple condensers for a high performance air-cooled heat sink. While multiple-condenser heat pipes have been developed in the past, this heat pipe layout is the first to ensure equal operation of the individual condensers. The layout incorporates wicks in …
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Potential of controlling subcooling in residential air conditioning system
… superheat control at evaporator outlet, condenser subcooling is monitored and controlled and the corresponding effects on vapor-compression system performance as well as the sensitivity of subcooling control to different operating conditions and different condenser sizes are discussed. …
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Separation of liquid-vapor two-phase flow in headers of microchannel condensers
… of liquid and vapor as a way to improve condenser efficiency and heat transfer performance of typically microchannel design. This thesis is composed of three parts in the following order. 1. Separation of vapor and liquid in condensers is evaluated via numerical study as a way to improve …
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