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 71 for “"Dropwise"”.
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Dropwise Condensation on Fins
Made available in DSpace on 2014-12-10T21:24:48Z (GMT). No. of bitstreams: 1 7212375.pdf: 8520467 bytes, checksum: 8db6375dbc50c2861c95f3deb826200b (MD5) Previous issue date: 1971
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Mechanism of dropwise condensation
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1963.
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Gold Surfaces for Dropwise Condensation
Gold surfaces were investigated as promoters of dropwise condensation of steam at atmospheric pressure. Seven gold electroplating baths, one electroless immersion gold plating bath, and vacuum gold vapor deposition were used as deposition techniques. Five different surface preparation techniques of …
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Dropwise Condensation of Ethylene Glycol
Made available in DSpace on 2014-12-08T23:18:10Z (GMT). No. of bitstreams: 1 6511852.pdf: 3234683 bytes, checksum: 93b01d01b01aa3d8fde78b3f1ed3ebe8 (MD5) Previous issue date: 1965
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Microscopic Study of Dropwise Condensation
Made available in DSpace on 2014-12-05T17:15:35Z (GMT). No. of bitstreams: 1 6101678.pdf: 4426545 bytes, checksum: a8f27b9cc3a75215f853dbe23680f5a5 (MD5) Previous issue date: 1961
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Dropwise condensation on hydrophilic surfaces
… Over the past century, research has shown dropwise condensation heat transfer on non-wetting surfaces to be an order of magnitude higher than filmwise condensation heat transfer on wetting substrates. However, the necessity for non-wetting to achieve dropwise condensation is unclear. Here …
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Parametric studies on dropwise condensation heat transfer
… heat transfer mechanism in industrial processes; Dropwise (DWC) and Filmwise (FWC) condensation processes are important and are focus of this study. There are few studies on surface morphology effect on wetting behavior of a solid in relation to condensation heat transfer. We conducted these …
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Silver Surfaces for Dropwise Condensation of Steam
… with a thick enough coating, silver will promote dropwise condensation without the intentional introduction of an additional promotor. For electroplating, the critical silver thickness depended on the electroplating bath used and the method of surface preparation prior to plating. Six combinations …
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Heat transfer via dropwise condensation on hydrophobic microstructured surfaces
Dropwise condensation has the potential to greatly increase heat transfer rates. Heat transfer coefficients by dropwise condensation and film condensation on microstructured silicon chips were compared. Heat transfer coefficients are found to be seventy percent higher in the hydrophobic, dropwise …
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Fundamental study of durability in thin hydrophobic films for dropwise condensation
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-03-28 without embargo terms
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Dropwise condensation of water and low surface tension fluids on structured surfaces
… and refrigeration. Condensation has two modes: dropwise mode and filmwise mode. Although it has been known for decades that dropwise condensation outperforms filmwise condensation in heat transfer owing to the droplet shedding effects which can efficiently reduce thermal resistance, filmwise …
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Heat transfer rates for filmwise, dropwise, and superhydrophobic condensation on silicon substrates
… can be optimized by using surfaces in which dropwise condensation (DWC) occurs, and even further optimized using superhydrophobic surfaces. For superhydrophobic condensation, a structured silicon surface with pillars 2.1 p.m tall, 200 nm in diameter, and a 400 nm pitch was tested. By removing …
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The Effect of Plate Inclination on Heat Transfer During Dropwise Condensation of Steam
Made available in DSpace on 2014-12-08T23:18:27Z (GMT). No. of bitstreams: 1 7001009.pdf: 1858110 bytes, checksum: 0f08948c104d8a05adb3b5a3866fb77c (MD5) Previous issue date: 1969
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Application of machine learning for predicting heat transfer coefficient in dropwise condensation of steam
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01
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Fundamental studies of hydrophobic thin film durability and degradation mechanisms during dropwise condensation of steam
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-14 without embargo terms
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MANUFACTURE OF INDIVIDUALIZED DOSING: DEVELOPMENT AND CONTROL OF A DROPWISE ADDITIVE MANUFACTURING PROCESS FOR MELT BASED PHARMACEUTICAL PRODUCTS
The improvements in healthcare systems and the advent of precision medicine initiative have created the need to develop more innovative manufacturing methods for the delivery of individualized dosing and personalized treatments. In recent years, the US Food and Drug Administration (FDA) introduced …
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Advanced materials for enhanced condensation heat transfer
… three classes advanced materials for promoting dropwise condensation: 1. robust hydrophobic functionalizations 2. superhydrophobic textures 3. lubricant-imbibed textures We first define the functional requirements of a hydrophobic functionalization for promoting dropwise condensation and use …
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Visualization and measurement of filmwise and dropwise air gap membrane distillation at varied module inclination angle and gap spacer Orientation
Improving efficiency is the main target for improving rapidly developing water desalination technologies such as air gap membrane distillation (AGMD). While the system is dominated by heat and mass transfer resistances in the air gap specifically, very little is known about the impact of variations …
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Hierarchical superhydrophobic aluminum surfaces for condensation applications
… must be optimized through the application of dropwise condensation. One ongoing solution for improving the performance of dropwise condensation is the implementation of superhydrophobic structures and chemistries on condensing surfaces. Aluminum, being a heavily utilized material in many …
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