examples of heat transfer by radiation in everyday life
An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs
... enhancement of heat transfer heated surface to the working fluid. In the present work experimental investigations has been carried out to study the effect of a gap in the inclined rib on the heat transfer ... Associate Professor in the Department of Mechanical Engineering atM.A.N.I.T. Bhopal (M.P.) INDIA. He received Ph D degree from IIT Roorkee , INDIA. He is working in the area of heat transfer and ... the heated wall in transverse, inclined, V-continuous and V- discrete pattern. Int. Journal of Heat Mass Transfer 2003; 30(2): 241-250. [17] Bhagoria J.L. and Sahu M.M. Augmentation of heat transfer...
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Báo cáo khoa học: Role of peroxidase inhibition by insulin in the bovine thyroid cell proliferation mechanism pdf
... monolayerprimary cultures of bovine thyroid cells, maintained in thepresence of insulin, produced a cytosolic inhibitor of TPOactivity. Its molecular mass of less than 2 kDa coincideswith that reported ... decrease of thyroid hormone biosynthesis in primarycultures in the presence of insulin. In addition, our datasuggest that insulin stimulates cell division, in bovinethyroid cultures, promoting ... (1 lg of enzyme per 15 lgofprotein)at37 °C,during 12 h.Proteinase K (1 lg of enzyme per 10 lgofprotein)wasincubated with the cytosolic fraction in a medium contain-ing (final concentration):...
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fluid flow, heat transfer and boiling in micro-channels
... reported,foraflowof1.2l/min at 30 kPa.Micro-channel heat transfer can be pushed even further by recourse to boiling. In addition to offering higher heat transfer coefficients, boiling convection in micro-channels ... local heat transfer coefficient increased withdecreasing vapor quality. The performance of a micro-channel heat sink is enhanced by increasing the heat transfer area and coefficient, the first being ... mechanics, in particular heat and mass transfer in micro-channels. He headed the Chair of En-gineering Thermal Physics at the Ukta Industrial Institute, teaching undergraduateand graduate courses in...
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Ptinciples of heat transfer
... (a) -in. aluminum,(b) -in. stainless steel with a 1 -in thick layer of fiberglass insulation on the inside, and (c) of sandwichconstruction with a -in thick layer of stainlesssteel, a 1 -in thick ... defined in terms of the local value by (1.12)For most engineering applications, we are interested in average values. Typical val-ues of the order of magnitude of average convection heat transfer ... heat is transferred by convection and radiation in parallel. Hence, the rate of heat flow to the interiorsurface of the wall is the sum of the two heat flows(1.36)where Tg= temperature of...
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molecular dynamics simulation of heat transfer and phase change during
... change of metallic atoms due to laser beam absorption. Häkkinen and Landman [3] studied dynamics of superheating, melting, and annealing at the Cu surface induced by laser beam irradiation using ... two-step heat transfer model developed by Anisimov [4]. This model describes the laser metal interaction in two steps including photon energy absorption in electrons and lattice heating through interaction ... Study of Light-to -heat Absorption Mechanism in atomic Systems," International Journal of Heat and Mass Transfer, 41, pp. 839-849. 3. Häkkinen, H., and Landman, U., 1993, "Superheating,...
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molecular dynamics simulation of heat transfer and phase change during
... Landman [3] studied dynamics of superheating, melting, and annealing at the Cu surface induced by laser beam irradiation using the two-step heat transfer model developed by Anisimov [4]. This model ... of predicting the heating process induced by a picosecond laser pulse. Laser Induced Phase Change In this section, various phenomena accompanying phase change in an argon target illuminated ... density of atoms on each lattice layer. Due to the increase of the atomic kinetic energy in laser heating, atoms vibrate more in the crystal region, causing a lower peak of the number density of...
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molecular dynamics simulation of heat transfer and phase change during
... 2001 by ASME nm, which is the melting interface region. The temperature in this flat region is around 90 K, which is higher than the melting point, indicating superheating at the melting front. ... of predicting the heating process induced by a picosecond laser pulse. Laser Induced Phase Change In this section, various phenomena accompanying phase change in an argon target illuminated ... density of atoms on each lattice layer. Due to the increase of the atomic kinetic energy in laser heating, atoms vibrate more in the crystal region, causing a lower peak of the number density of...
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báo cáo hóa học:" Reduction of graphene oxide by an in-situ photoelectrochemical method in a dye-sensitized solar cell assembly" ppt
... most of the oxygen-containing groups of GO were reduced by the photoinduced electrons. RGO obtained by in- situ reduction was analyzed by HRTEM. Figure 3b shows a low magnification image of ... positions of RGO. Conclusions RGO is obtained by the in- situ photoelectrochemical reduction of GO in a DSSC assembly. The reduction results in a partial removal of oxygen-containing groups of GO. ... of the oxygen-containing groups are removed. In addition, the atomic ratio of carbon and oxygen (C/O), obtained by taking the ratio of C1s and O1s peak areas in XPS spectra, increases from 2.7...
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Tài liệu Digital Material - Tracing New Media in Everyday Life and Technology (Amsterdam University Press - Media Matters) ppt
... in orderto influence their behavior. In an advice to the former US Secretary of Defenseregarding ‘the creation and dissemination of all forms of information in support of [PSYOPS] in time of ... alarming concentration of the ownership of mainstream commercial media, with a small handful of multinational med-ia conglomerates dominating all sectors of the entertainment industry (Jenkins2007).What ... can help by giving money to the WFP, by teaching others about famine, and by organizing fundraising activitie s at schoolor at home. Secondly, the game is often played in the context of a classroomsituation....
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THE INTERNET IN EVERYDAY LIFE: AN INTRODUCTION pdf
... 1THE INTERNET IN EVERYDAY LIFE: AN INTRODUCTION Caroline Haythornthwaite and Barry Wellman Draft of chapter to appear in The Internet in Everyday Life, edited by Barry Wellman & Caroline ... development of synergies between online and offline life – may provide beneficial outcomes. BRINGING IT ALL TOGETHER Dovetailing with Everyday Life Much of the discussion of Internet use ... ship of the Internet – as well as Canada, Britain, Germany, India, Japan and globally that examine the impact of “the Internet” in everyday life. The authors have in common the acceptance of...
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