7 microscale heat exchangers
Thiết bị trao đổi nhiệt ống chùm (Shell and tube heat exchangers)
... thân thiết bị (ngoài ống) _ khả dễ dàng tháo lắp bảo dưỡng Fixed Tube-Sheet Exchangers U Tube Exchangers Floating head exchangers: Bảng so sánh loại thiết bị trao đổi nhiệt ống chùm Tiêu chuẩn ... tham khảo: http://en.wikipedia.org/ http://www.gc3.com/ http://www.heatexchangersonline.com/ Phần mềm tham khảo: Shell and Tube Heat Exchanger Design 1.5.2 ... CHEMICAL AND PETROCHEMICAL PLANTS (Volume 3, Third Edition), Gulf Professional Publishing T.Kuppan – Heat exchanger design handbook, Marcei Dekker INC Nhiều tác giả - Sổ tay Quá trình thiết bị công...
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Tài liệu HEAT EXCHANGERS, VAPORIZERS, CONDENSERS ppt
... and J D Usher, "Plate Heat Exchangers, " Section 3 .7, HEDH 39 J Marriott, "Performance of an Alfaflex Plate Heat Exchanger," Chem Eng Prog 73 (2), 73 -78 (1 977 ) 40 D Chisholm, "Heat Pipes," Section ... Eng Prog 78 (7) , 59-61 (1982) 34 R Brown, "A Procedure for Preliminary Estimate of Air-Cooled Heat Exchangers, " Chem Eng 85(8), 108-111 (Mar 27, 1 978 ) 35 E C Smith, "Air-Cooled Heat Exchangers, " ... of Heat Exchangers in Cooling Water Service," Canad J Chem Eng 55 (Aug., 1 977 ) 47 A Cooper, J W Suitor, and J D Usher, "Cooling Water Fouling in Plate Exchangers, " Heat Transfer Eng 1(3) (1 979 )...
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Rating Heat Exchangers docx
... simple Heat Exchangers understand the principles of Heat Exchanger design Process Overview Rating Heat Exchangers Modelling Heat Exchangers In this workshop, we will examine a gas to gas heat exchanger ... 2 Rating Heat Exchangers Workshop A heat exchanger is a vessel that transfers heat energy from one process stream to another A common physical configuration for heat exchangers is a shell ... the inlet and outlet Rating Heat Exchangers The Heat Exchanger duty may also be defined in terms of the overall heat transfer coefficient, the area available for heat exchange and the log mean...
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advances in thermal design of heat exchangers a numerical approach direct-sizing, step-wise rating, and transients
... loss Conclusions 177 177 178 189 190 191 194 196 199 201 204 Chapter 7. 1 7. 2 7. 3 7. 4 7. 5 7. 6 7. 7 7. 8 7. 9 7. 10 7. 11 7. 12 7. 13 7. 14 7. 15 7. 16 7. 17 Direct-Sizing of RODbaffle Exchangers Design framework ... differences Regenerators 275 275 276 277 278 8.11 8.12 8.13 8.14 8.15 10.6 10 .7 10.8 10.9 Chapter 11 11.1 11.2 11.3 11.4 11.5 11.6 11 .7 11.8 Chapter 12 12.1 12.2 12.3 Heat Exchangers in Cryogenic ... loss 284 2 87 2 87 289 290 2 97 2 97 298 3 07 313 314 3 17 321 322 325 325 326 3 27 Contents 12.4 12.5 12.6 12 .7 12.8 Appendix A A A.2 A.3 Appendix B B.I B.2 B.3 B.4 B.5 B.6 B .7 B.8 Two-phase heat- transfer...
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compact heat exchangers selection design and operation
... steel/titanium heat exchanger Tube-fin heat exchangers Diffusion bonded heat exchangers The printed circuit heat exchanger (PCHE) Welded plate heat exchangers Plate and Frame Heat Exchangers (PHE) ... Leeds 1993 Kays, W.M., (1 972 ), Compact Heat Exchangers, ACARD Lecture Series on Heat Exchangers, No. 57, J.J Ginoux, Ed., AGARD-LS- 57- 72 London, A.L., (1983), Compact Heat Exchangers- Design Methodology, ... 125 126 126 128 128 131 133 136 136 1 37 1 37 138 139 140 142 143 146 153 155 155 155 156 156 161 170 174 176 178 179 184 184 193 196 196 xvi Printed Circuit Heat Exchanger (PCHE) Surfaces References...
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fouling of heat exchangers, elsevier (1995
... (2.6) Fouling o f Heat Exchangers 10 If the heat exchange area required for the required heat transfer is A, then the rate of heat transfer Q (2 .7) ev In general the design of heat exchangers involves ... feedwater Boiler blowdown water Fouling resistance 104 m2K/W 1 .75 -3.5 3.5 - 5.3 1 .75 - 3.5 1 .75 - 3.5 1 .75 3.5- 5.3 1 .75 0.9- 1 .75 0.9 3.5 - 5.3 Chenoweth [ 1990] gives the assumptions underlying ... the cost of heat exchangers is not strictly pro rata in relation to area it will be appreciated that for a large complex containing several heat exchangers the 16 Fouling of Heat Exchangers additional...
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handbook for heat exchangers and tube banks design
... 0.945 0 .78 2 0.813 0.839 0.861 0.880 0.896 0.910 0.923 0. 674 0 .72 0 0 .75 8 0 .79 0 0.818 0.842 0.864 0.882 0.899 0.655 0.699 0 .73 7 0 .77 1 0.801 0.8 27 0.851 0. 871 0.635 0.680 0 .72 0 0 .75 6 0 .78 8 0.816 ... 1.1 0. 679 0 .72 5 0 .76 5 0.802 0.833 0.861 0.885 0.905 0.923 0.9 37 0.950 1.2 0.622 0. 676 0 .72 5 0 .76 8 0.806 0.839 0.8 67 0.891 0.911 0.929 0.943 1.3 0.552 0.619 0. 678 0 .72 9 0 .77 4 0.813 0.846 0. 875 0.899 ... 0 .73 7 0 .78 4 0.823 0.8 57 0.885 0.908 0.9 27 1.5 0.544 0.626 0.693 0 .74 9 0 .79 7 0.836 0.869 0.896 0.919 1.6 0.548 0.638 0 .70 8 0 .76 5 0.813 0.851 0.883 0.909 1 .7 0.561 0.656 0 .72 8 0 .78 5...
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mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)
... CONTACTORS Chapters 3, 0: 57 P1: KAE 978 052188 670 3c01 CUFX282/Russell 978 521 88 670 December 22, 20 07 0: 57 P1: KAE 978 052188 670 3c01 CUFX282/Russell 978 521 88 670 December 22, 20 07 0: 57 Introduction All ... 978 521 88 670 March 7, 2008 MASS AND HEAT TRANSFER xxvii 11:4 P1: KAE CUFX282-pre CUFX282/Russell 978 521 88 670 xxviii March 7, 2008 11:4 P1: KAE 978 052188 670 3c01 CUFX282/Russell 978 521 88 670 ... Table 1.1 Level definitions P1: KAE 978 052188 670 3c01 December 22, 20 07 0: 57 P1: KAE 978 052188 670 3c01 CUFX282/Russell 978 521 88 670 December 22, 20 07 Introduction 0: 57 Figure 1.1 Distillation column...
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nano and microscale heat transfer, 2007, p.504
... Radiative Transfer (EPRT) / 263 7. 2.2 Solution of the EPRT / 266 7. 2.3 Thermal Boundary Resistance (TBR) / 271 7. 3 Heat Conduction Regimes / 275 7. 4 Summary / 278 References / 278 Problems / 281 Chapter ... Theories / 248 7. 1.1 Hyperbolic Heat Equation / 250 7. 1.2 Dual-Phase-Lag Model / 254 7. 1.3 Two-Temperature Model / 258 2 47 x CONTENTS 7. 2 Heat Conduction Across Layered Structures / 262 7. 2.1 Equation ... Characterization / 3 67 9.5.4 BRDF Measurements / 368 9.5.5 Comparison of Modeling with Measurements / 370 9.6 Summary / 372 References / 373 Problems / 374 Chapter 10 Near-Field Energy Transfer 377 10.1 Total...
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Modeling Of Wire On Tube Heat Exchangers Using Finite Element Method
... 0 .77 05 0 .72 27 0. 674 5 0.6264 0. 578 2 0.5301 0.4819 0.4338 0.3856 0.3 375 214.91 37 2 07. 74 47 0.99 27 0.9582 0.92 37 0.8892 0.85 47 0.8201 0 .78 56 0 .75 11 0 .71 66 0.6821 0.6 475 0.6130 0. 578 5 0.5440 216.2 972 ... 82.663 77 .162 72 . 376 68.228 64.621 61.493 58 .77 5 56.415 46.3 57 170 .308 153.258 138.419 125. 57 114.388 104 .70 4 96. 278 88. 979 82.629 77 .1 27 72.343 68.195 64.589 61.463 58 .74 6 56.3 87 46.246 170 .98 ... 170 .342 153. 276 138.45 125.5 97 114.431 104 .73 6 96.319 89.013 82.669 77 .162 72 . 379 68.228 64.623 61.494 58 .77 6 56.4 17 46.364 170 .31 153. 277 138.438 125.599 114.416 104 .73 8 96.31 89.014 82.663 77 .162...
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Báo cáo khoa học: Structural and functional roles for b-strand 7 in the a-crystallin domain of p26, a polydisperse small heat shock protein from Artemia franciscana pdf
... b-parallel b-turn Random coil 20.3 18.0 10.2 16 .7 34.8 20.2 18.2 10.2 16.6 34.8 25 .7 12.9 9 .7 16.9 34.9 19.3 20.5 10.1 16.9 33.3 17. 7 21.6 10.3 16.5 34.0 17. 7 23.0 10.0 16.8 32.5 Discussion Fig Secondary ... associated with a small heat shock protein during heat stress in vivo indicates that these chaperones protect a wide range of cellular functions J Biol Chem 279 , 75 66– 75 75 Friedrich KL, Giese ... solubilization after heat stress Eur J Cell Biol 78 , 5 67 572 67 van den IJssel P, Wheelock R, Prescott A, Russell P & Quinlan RA (2003) Nuclear speckle localisation of the small heat shock protein...
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topics in applied physics, v.107. microscale and nanoscale heat transfer, 2007, p.389
... Radiative Transfer Between Two Planes XI 67 68 70 70 70 74 75 77 77 78 78 80 82 83 83 87 87 88 88 89 90 94 97 100 105 106 1 07 1 07 1 07 109 110 111 112 114 115 116 118 126 XII Contents ... XIII 181 181 181 184 1 87 195 195 202 2 07 208 208 211 220 220 228 230 230 236 239 239 240 244 249 250 258 271 271 274 278 281 284 2 87 2 87 290 291 295 XIV Contents 3.1 Microscopes ... 155 155 155 158 160 162 165 166 168 169 172 173 173 175 177 179 Contents Scanning Thermal Microscopy Bernard Cretin, S´verine Gom`s, Nathalie Trannoy,...
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Heat Conduction Basic Research Part 7 docx
... 6,49 e2 0 ,79 45 0,6500 0,5395 0,4506 0, 376 4 0, 376 5 0,2 570 0, 170 1 0,1023 0,0468 0 t C 70 0 556,1 455,0 377 ,7 315,4 263,5 263,6 179 ,9 119,1 71 ,6 32,8 T 0 ,79 24 0,6466 0,5352 0,4455 0, 370 7 0,3810 ... 0,2600 0, 172 0 0,10 37 0,0 473 t C 70 0 554 ,7 452,6 374 ,6 311,9 259,5 266 ,7 182,0 120,4 72 ,4 33,1 (1) (2) tc tc T 0,8369 0 ,70 77 0,6055 0,5193 0,4429 0,4429 0,3124 0,2109 0,1292 0,0602 t C 70 0 585,9 ... when the heat conduction coefficients (1) have the mean value in the temperature region 70 0C i.e tc (2) [ W (m K )] , tc 70 0 70 0 t (2) 70 0 70 0 t (1) (t )dt 38 .7 (t )dt 48 .7 [ W...
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Heat Transfer Engineering Applications Part 7 pot
... (PPI) 60 70 3300 3000 270 0 2400 2100 1800 1500 1200 900 600 300 Present model Zhao et al., 2006 0 .70 0 .75 (a) 0.80 0.85 0.90 0.95 (b) Fig 17 Effects of metal-foam parameters on overall heat transfer: ... of approximately 75 º 75 0.41 90 Unpainted(E=0 .78 ) 0.40 0.39 0.38 R Nuav 100 0. 37 80 Nuconv 60 0.35 0.34 50 4.0x10 8.0x10 * Gr Pr (a) 1.2x10 1.6x10 40 -10 /L=0.1 /L=0.4 0.36 70 30 15 0.0 /L=0.1 ... Nuconv 60 130 Unpainted(E=0 .78 ) Fujii T & Fujii M., 1 976 Sparrow & Gregg, 1956 Churchil & Ozoe, 1 973 Painted(E=0.96) 10 20 30 40 50 60 70 80 90 100 0.33 -15 15 (b) 30 45 60 75 90 105 / / (c) Fig...
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Convection and Conduction Heat Transfer Part 7 ppt
... 0.8 177 176 60285 371 7 0 .76 98083890454525 0 .77 75833829280683 0 .77 75904 272 5686 37 0 .77 75904261526551 0 .77 75904261526551 0 .77 75904261526551 0 .77 75904261526551 0 .77 75904261526551 Qc ( ) 0.50164 574 7 671 1904 ... 0.8 177 175 72 673 2399 0 .76 980833509194 57 0 .77 758332119 076 42 0 .77 75903655034493 0 .77 75903643992450 0 .77 75903643992450 0 .77 75903643992450 0 .77 75903643992450 Qc ( ) 0.50164 573 334 176 28 0.4588 373 3 570 9 278 2 ... 1. 578 801 177 4222819 1. 578 79602115054 67 1. 578 7960219 574 921 1. 578 7960219 574 921 1. 578 7960219 574 921 1. 578 7960219 574 921 1. 578 7960219 574 921 Q( ) 2.0 174 732145864214 2.04 474 6 477 7408908 2.044088445 673 7112...
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Developments in Heat Transfer Part 7 doc
... Specific Heat (J/g°C) 0 .71 1.59 (Brown et al, 1 970 ) (Brown et al, 1 970 ) 4.18 (Incropera et al., 2006) 5.69 Thermal conductivity 9.34 (10-3W/cm °C) (Brown et al, 1 970 ) (Brown et al, 1 970 ) 6.1 (Incropera ... 19 (7) : 1463-1469 Braden M heat conduction in teeth + effect of lining material J Dent Res 1964, 43 (3): 315 Brown WS, Dewey WA, Jacobs HR Thermal properties of teeth J Dent Res 1 970 ; 49(4): 75 275 5 ... based on the 262 Developments in Heat Transfer combination of the first and second law of thermodynamics The heat transfer in heat exchangers usually involves the heat conduction under finite temperature...
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Heat Analysis and Thermodynamic Effects Part 7 pdf
... 0 .72 ; 7) 0.81 P 0.1 17 0.2 47 0.393 0.540 0.6 97 0.893 0° 0.86 0.88 0 .73 0 .77 0 .78 0.91 30° 0.80 0.82 0 .72 0.65 0.58 0 .78 60° 1.00 0.80 0.56 0.58 0. 57 0.62 Local values of m 90° 120° 1. 07 1.30 0 .77 ... 4.22 4.22 4.22 4.22 4.22 4.22 4.22 4.22 4.22 4.22 3. 07 3. 87 5.00 2.40 2.80 3. 07 3. 87 3. 07 3. 07 3. 07 3. 87 3. 07 3. 07 3. 07 3. 07 1.03 0.82 0.63 1 .73 1.51 1.38 1.09 1.38 1.38 1.38 1.09 1.38 1.38 1.38 ... 1 .79 2.02 0.90 1.29 1 .79 2.02 γ = 7 m 0.64 o. 67 0.66 0.61 0 .71 0.66 Cq 0. 270 0.204 0.1 87 0. 276 0.105 0.155 γ = 14˚ m Cq 0.69 0.135 0.66 0.232 0 .70 0.150 0.69 0.151 0.69 0.148 0 .77 0.068 0 .73 ...
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