Global ETD Search
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Showing 1 to 9 of 9 for “"Heat flux measurement"”.
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Experimental surface heat flux measurement in hypervelocity flows
Prediction of heat transfer is integral to development of hypersonic vehicles. Underprediction of heat transfer rates can result in catastrophic failures during flight testing. An example which illustrates the importance of heat transfer during hypersonic flight is the destruction of the space …
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High Temperature Heat Flux Measurement: Sensor Design, Calibration, and Applications
… and implementation of a high temperature heat flux sensor for thermal systems research and testing. The High Temperature Heat Flux Sensor (HTHFS) was designed to survive in the harsh thermal environments typically encountered in hypersonic flight, combustion and propulsion research, and …
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Convective Heat Flux Sensor Validation, Qualification and Integration in Test Articles
… of this study is to quantify the effects of heat flux sensor design and interaction with both test article material choice and geometry on heat flux measurements. It is the public domain component of a larger study documenting issues inherent in heat flux measurement. Direct and indirect heat …
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Design and calibration of a rapid-response thin-film heat flux gage
A local heat-flux measurement system was built, calibrated and tested for use in unsteady flows. The system was designed to maintain constant wall temperature boundary conditions. The measuring element is a thin-film heat flux gage made by sputter-coating gold on a substrate. A constant-temperature …
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Condensation heat flux measurements in ambient conditions on superhydrophobic nanostructured surfaces
… be combined with non-wetting surfaces to enhance heat transfer, desalination, anti-icing and self-cleaning. Recently, superhydrophobic coatings have gathered attention with jumping droplets with the potential for self-cleaning applications and spot cooling on high powered applications. With new …
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Multidisciplinary research in Raman spectroscopy, phase imaging and their applications in heat transfer
Recent advances in micro-to-nanoscale heat transfer have led to tremendous research interests in the high spatial resolution thermal characterization techniques. Although great improvement has been made in temperature probe, heat flux measurement and thermophysical properties characterization …
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Development of a Direct-Measurement Thin-Film Heat Flux Array
A 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 …
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Development of a Novel, Manufacturing Method of Producing Cost-Effective Thin-Film Heat Flux Sensors
A new method of manufacturing heat flux sensors was developed using a combination of copper etching and stencil printing nickel/silver conductive ink thermocouple materials onto a thin-film polyimide Kapton® substrate. The semi-automated production capabilities of this manufacturing process …
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Thermal network model development for an extended range electric vehicle battery pack with experimental verification through dynamic environmental exposure
… thermal network was refined experimentally using heat flux and temperature measurements on a production vehicle battery pack. The initial model representing lab conditions produced simulation results with very good accuracy, comparable to the level of signal noise itself. The verified lab model …