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3 examples of heat transfer by convection

An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

Môi trường

... Journal of Heat Mass Transfer 20 03; 30 (2): 241-250. [17] Bhagoria J.L. and Sahu M.M. Augmentation of heat transfer coefficient by using 900 broken transverse ribs on absorber plate of solar air heater, ... Transactions of the ASME Journal of turbo machinery 1991b; 1 13: 36 7- 37 4. [8] Hu Z. and Shen J. Heat transfer enhancement in a conversing passage with discrete ribs. Int. Journal Heat and Mass Transfer ... Investigation of heat transfer and friction for rib-roughened surfaces, Int. Journal of Heat & Mass Transfer 1978; 21: 11 43- 1156. [4] Webb R.L., Eckert E.R.G. and Goldstein R. J. Heat transfer...
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Ptinciples of heat transfer

Ptinciples of heat transfer

Cơ khí - Chế tạo máy

... Basic Modes of Heat Transfer 21.1 The Relation of Heat Transfer to Thermodynamics 3 1.2 Dimensions and Units 71 .3 Heat Conduction 91.4 Convection 171.5 Radiation 211.6 Combined Heat Transfer ... ft 3 ) 1 Btu/(h и ft 3 ) ϭ 10 .34 3 W/m 3 per unit volume Heat transfer coefficient 1 W/(m2и K) ϭ 0.1761 Btu/(h и ft2и °F) 1 Btu/(h и ft2и °F) ϭ 5.678 W/(m2и K) Heat transfer rate 1 W ϭ 3. 412 ... Introduction 231 4.2 Convection Heat Transfer 231 4 .3 Boundary Layer Fundamentals 233 4.4 Conservation Equations of Mass, Momentum, and Energy for Laminar Flow Over a Flat Plate 235 4.5 Dimensionless...
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molecular dynamics simulation of heat transfer and phase change during

molecular dynamics simulation of heat transfer and phase change during

Vật lý

... 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., 19 93, "Superheating, ... 39 , pp. 37 5- 37 7. 5. Kotake, S., and Kuroki, M., 19 93, "Molecular Dynamics Study of Solid Melting and Vaporization by Laser Irradiation," International Journal of Heat and Mass Transfer, ... surface of the target by scaling velocities of atoms in cells on the top surface, and the same amount of heat flux is dissipated from the bottom of the target by scaling velocities of atoms...
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molecular dynamics simulation of heat transfer and phase change during

molecular dynamics simulation of heat transfer and phase change during

Vật lý

... â 2001 by ASME Proceedings of NHTC'01 35 th National Heat Transfer Conference Anaheim, California, June 10-12, 2001 NHTC2001-20070 MOLECULAR DYNAMICS SIMULATION OF HEAT TRANSFER ... surface of the target by scaling velocities of atoms in cells on the top surface, and the same amount of heat flux is dissipated from the bottom of the target by scaling velocities of atoms ... 1002 10 -3 4 10 -3 6 10 -3 8 10 -3 0 100 200 30 0 400 500MD SimulationMaxwell's DistributionProbabilityVelocity (m/s) Figure 1. Comparison of the velocity distribution by the MD simulation...
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doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 1 of 3

doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 1 of 3

Vật lý

... 29Summary 30 CHANGE OF PHASE 31 Classification of Properties 31 Saturation 33 Saturated and Subcooled Liquids 33 Quality 34 Moisture Content 35 Saturated and Superheated Vapors 35 Constant Pressure Heat ... latent heat. The first is the latent heat of fusion. Thisis the amount of heat added or removed to change phase between solid and liquid. The secondtype of latent heat is the latent heat of vaporization. ... different magnitudes by the addition of heat. When a givenamount of heat is added to different substances, their temperatures increase by different amounts.The ratio of the heat (Q) added to or...
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doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 2 of 3

doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 2 of 3

Vật lý

... modes of heat transfer: Conduction involves the transfer of heat by the interactions of atoms or molecules of amaterial through which the heat is being transferred. Convection involves the transfer ... 1 Heat and Temperature 1 Heat and Work 2Modes of Transferring Heat 2 Heat Flux 3 Thermal Conductivity 3 Log Mean Temperature Difference 3 Convective Heat Transfer Coefficient 4Overall Heat Transfer ... HT-02 Heat Transfer CONVECTION HEAT TRANSFER SummaryThe important information in this chapter is summarized below. Convection Heat Transfer Summaryã Convection heat transfer is the transfer of...
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doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 3 of 3

doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 3 of 3

Vật lý

... Equation 32 Minor Losses 34 Equivalent Piping Length 34 Summary 36 NATURAL CIRCULATION 37 Forced and Natural Circulation 37 Thermal Driving Head 37 Conditions Required for Natural Circulation 38 Example ... measured by the pull of gravity on a body. The specific volume of a substance is the volume per unit mass of thesubstance. Typical units are ft 3 /lbm. Density, on the other hand, is the mass of a ... ˙moutlets˙m12˙m10˙m8˙m8˙m12˙m10(ρAv)8˙m12(ρAv)10v8˙m12(ρAv)10(ρA)8500lbmsec62.4lbmft 3 (0.545 ft2)10ftsec62.4lbmft 3 (0 .34 9 ft2)v87 .3 ftsecSummaryThe main points of this chapter are summarized on the next page.Rev. 0 Page 15 HT- 03 ...
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Tài liệu Báo cáo khoa học: Analysis of oxidative events induced by expanded polyglutamine huntingtin exon 1 that are differentially restored by expression of heat shock proteins or treatment with an antioxidant ppt

Tài liệu Báo cáo khoa học: Analysis of oxidative events induced by expanded polyglutamine huntingtin exon 1 that are differentially restored by expression of heat shock proteins or treatment with an antioxidant ppt

Báo cáo khoa học

... al. 30 78 FEBS Journal 2 73 (2006) 30 7 630 93 ê 2006 The Authors Journal compilation ê 2006 FEBS The Hsp27(C 137 A) mutant is characterized by the sub-stitution of the unique cysteine residue of Hsp27 ... inclusions and oxidationFEBS Journal 2 73 (2006) 30 7 630 93 ê 2006 The Authors Journal compilation ê 2006 FEBS 30 93 downstream of the initiator ATG in exon 1 (Ex1) of the 67 exon-containing htt gene ... Huntingtin inclusions and oxidationFEBS Journal 2 73 (2006) 30 7 630 93 ê 2006 The Authors Journal compilation ê 2006 FEBS 30 83 16 Wyttenbach A (2004) Role of heat shock proteins dur-ing polyglutamine...
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Báo cáo khoa học: Differential recognition of heat shock elements by members of the heat shock transcription factor family ppt

Báo cáo khoa học: Differential recognition of heat shock elements by members of the heat shock transcription factor family ppt

Báo cáo khoa học

... 20WTn159n355n217n178AI186PL140P159178217 35 5VP164 93 HR-A/BDBDVP16VP16VP16VP16VP16VP16Fold activation04 93 4 93 CB2401001407017562 83 47.5n355WTn217n178L140Pn159I186P 32 .525D3P SG3PSG3PSGWT I186PL140PEGS ... Acids Res 26,2580–2585. 33 Zuo J, Rungger D & Voellmy R (1995) Multiple layers of regulation of human heat shock transcriptionfactor 1. Mol Cell Biol 15, 431 9– 433 0. 34 Fujimoto M, Oshima K, ... 32 82 32 94. 36 Rabindran SK, Haroun RI, Clos J, Wisniewski J & WuC (19 93) Regulation of heat shock factor trimer forma-tion: role of the conserved leucine zipper. Science 259, 230 – 234 . 37 ...
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Báo cáo khoa học: Regulation of arginase II by interferon regulatory factor 3 and the involvement of polyamines in the antiviral response potx

Báo cáo khoa học: Regulation of arginase II by interferon regulatory factor 3 and the involvement of polyamines in the antiviral response potx

Báo cáo khoa học

... involves spermineFEBS Journal 272 (2005) 31 2 031 31 ê 2005 FEBS 31 31 Regulation of arginase II by interferon regulatory factor 3 and the involvement of polyamines in the antiviralresponseNathalie ... IRF -3- mediated antiviral response involves spermineFEBS Journal 272 (2005) 31 20 31 31 ª 2005 FEBS 31 23 polyamines were induced in response to the expression of a constitutively active form of ... Chem 30 , 30 . 35 Shah N, Thomas T, Shirahata A, Sigal LH & ThomasTJ (1999) Activation of nuclear factor kappaB by poly-amine in breast cancer cells. Biochemistry 38 , 147 63 14774. 36 Shah...
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