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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 99 for “"heat transfer enhancement"”.
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Heat Transfer Enhancement using Iron Oxide Nanoparticles
… different iron oxide nanofluids were tested for heat transfer properties in industrial cooling systems. The nanofluids either had 30 nm particles with a wide size distribution to include particles greater than 1 micrometer or 15 nm particles with greater than 95% of the particles less than 33 nm. …
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Nanofluid Heat Transfer Enhancement in Engineering Applications
Made available in DSpace on 2017-07-06T18:56:09Z (GMT). No. of bitstreams: 3 Saripella_Surya_K_MS.pdf: 2415505 bytes, checksum: 09478787920f495e59c6d82daba0b4da (MD5) Saripella_Surya_K_MS_ABS.pdf: 72780 bytes, checksum: ab288f55074e3a6e9cba8a8feb760098 (MD5) license.txt: 4813 bytes, checksum: …
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Heat Transfer Enhancement Using Tip and Junction Vortices
This research is important in compact heat exchanger design. Enhancing heat transfer can lead to smaller, more efficient heat exchangers in a broad range of applications. A simplified heat exchanger performance evaluation method is considered to explore the heat transfer benefit and pressure-drop …
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Active heat transfer enhancement in integrated fan heat sinks
… their full performance. The "efficiency" of heat sinks is also becoming more important: cooling of electronics consumes 1% of worldwide electricity use by some estimates. Unfortunately, current cooling technologies often focus on improving heat transfer at the expense of efficiency. The …
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Active heat transfer enhancement in integrated fan heat sinks
… their full performance. The "efficiency" of heat sinks is also becoming more important: cooling of electronics consumes 1% of worldwide electricity use by some estimates. Unfortunately, current cooling technologies often focus on improving heat transfer at the expense of efficiency. The …
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Experimental investigation of resonance and heat transfer enhancement in grooved channels
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1986.
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Capillary-Driven Condensation for Heat Transfer Enhancement in Steam Power Plants
… is ubiquitous in nature and used to effectively transfer heat in many important industrial applications including thermal management of electronics, steam power generation, and natural gas processing. Industry relies mainly on filmwise condensation, where the condensate forms an insulating, thick …
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Characterization of Heat Transfer Enhancement for an Oscillating Flat Plate-Fin
Heat transfer augmentation is of paramount importance in energy transfer and storage systems and the idea of using the inherent vibrations in a system to enhance heat transfer needs to be thoroughly researched upon. The current study numerically investigates an infinitesimally thin plate-fin …
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Heat transfer enhancement in a rectangular duct by using winglet and nanofluids
… thermal boundary layer and serves to bring about heat transfer enhancement between the fluid and the fin surfaces. The geometrical configuration considered in this study is representative of a channel with winglets spread over three rows each row 13 a pair of winglets. In this study, three …
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Heat Transfer Enhancement of Phase Change Materials for Thermal Energy Storage Systems
… systems, such as in the case of solar water heaters has attracted many attentions; however, PCMs may not be fully effective due to their poor heat transfer characteristics, namely thermal conductivity. This study aims to explore the thermal performance of heat transfer materials to be applied …
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Fundamentals of microlayer evaporation and its role on boiling heat transfer enhancement
… widely used in industrial applications as it can transfer a large amount of heat over a small surface area. It has been studied for over five decades; however, a comprehensive understanding of the process is still lacking. The bubble ebullition cycle (nucleation, growth and departure) happens over …
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Biphilic surfaces for phase change heat transfer enhancement; design, fabrication and applications
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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Surface micro/nano structuring and functionalization for phase change heat transfer enhancement
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-05-01
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Heat transfer enhancement in hybrid metal-polymer heat exchangers using extended surfaces
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2023-12-01
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Solid to liquid and liquid to vapor two phase heat transfer enhancement approaches
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-08-01
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Critical evaluation of anomalous thermal conductivity and convective heat transfer enhancement in nanofluids
… higher thermal conductivity and single-phase heat transfer coefficients than their base fluids. The possibility of very large thermal conductivity enhancement in nanofluids and the associated physical mechanisms are a hotly debated topic, in part because the thermal conductivity database is …
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Investigation of the heat transfer enhancement effects of nanofluids in process heating and cooling
… and manufacturing that require constant heating and cooling. Heat transfer improvements in heating and cooling industries cause energy saving thus reducing operational costs, increase the operational life of heat transfer systems and reducing greenhouse gas emissions. While nanofluids …
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Heat transfer enhancement in horizontal double tube concentric/eccentric heat exchanger by using nanofluid
La mejora de la eficiencia energética de los intercambiadores de calor es esencial para la reducción del consumo energético y los costes asociados. Como resultado, se han propuesto diferentes maneras en la bibliografía para mejorar la eficiencia de los intercambiadores de calor. Esta tesis se …
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Air-Side Heat Transfer Enhancement for Offset -Strip Fin Arrays Using Delta Wing Vortex Generators
The re-generated streamwise vortices in the middle of the array are found to be weaker and decay more quickly in the flow direction than the streamwise vortices generated at the inlet of the array.
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