Development of a Direct-Measurement Thin-Film Heat Flux Array

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dc.contributor.authorEwing, Jerrod Alberten
dc.contributor.committeecochairDiller, Thomas E.en
dc.contributor.committeecochairVlachos, Pavlos P.en
dc.contributor.committeememberHuxtable, Scott T.en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2014-03-14T20:30:32Zen
dc.date.adate2007-01-16en
dc.date.available2014-03-14T20:30:32Zen
dc.date.issued2006-12-11en
dc.date.rdate2007-01-16en
dc.date.sdate2007-01-12en
dc.description.abstractA new thin film heat flux array (HFA) was designed and constructed using a series of nickel/copper thermocouples deposited onto a thin Kapton® polyimide film. The HFA is capable of withstanding temperatures up to 300 °C and produces signals of 42 μV/(W/cm²). As a result of its thin film construction, the HFA has a first order time constant of 32 ms. Calibrations were completed to determine the gage's output as well as its time response. In order to measure the signal from the HFA amplifiers were designed to increase the magnitude of the voltage output. An example case is given where the HFA is used in an experiment to correlate time-resolved heat flux and velocities.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-01122007-115434en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-01122007-115434/en
dc.identifier.urihttp://hdl.handle.net/10919/30918en
dc.publisherVirginia Techen
dc.relation.haspartEwing_Thesis_final.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectheat flux measurementen
dc.subjectthin film heat flux gageen
dc.subjectheat fluxen
dc.titleDevelopment of a Direct-Measurement Thin-Film Heat Flux Arrayen
dc.typeThesisen
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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