... 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...
Ngày tải lên: 15/01/2014, 17:25
... Gravitational constant Heat transfer coeff., hot fluid Heat transfer coeff., cold fluid Heat transfer coeff., boiling Heat transfer coeff., condensing Heat transfer coeff., conv boiling Heat transfer ... spiral heat exchangers, see Mueller3 and Minton.37 For plate-type heat exchangers, Figs 52.9 and 52.10, recommendations are given by Cooper38 and Marriott.39 For plate-fin and other compact heat exchangers, ... coeff., cond film Heat transfer coeff., inside Heat transfer coeff., liq film Heat transfer coeff., Nusselt Heat transfer coeff., nucleate boiling Heat transfer coeff., outside Heat transfer coeff.,...
Ngày tải lên: 27/01/2014, 16:20
Rating Heat Exchangers docx
... of Heat Exchanger design Process Overview Rating Heat Exchangers Modelling Heat Exchangers In this workshop, we will examine a gas to gas heat exchanger from a Refrigerated Gas Plant Heat exchangers ... 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 ... designate the hot and cold fluids, while “in” and “out” refer to the inlet and outlet Rating Heat Exchangers The Heat Exchanger duty may also be defined in terms of the overall heat transfer coefficient,...
Ngày tải lên: 23/03/2014, 02:20
advances in thermal design of heat exchangers a numerical approach direct-sizing, step-wise rating, and transients
... designs as: compact plate-fin exchangers helical-tube, multi-start coil exchangers platen-type heat exchangers RODbaffle shell-and-tube exchangers lamella heat exchangers flattened and helically ... plate-fin exchangers Direct-sizing of helical-tube exchangers Direct-sizing of bayonet-tube exchangers Direct-sizing of RODbaffle exchangers Exergy loss and pressure loss Transients in heat exchangers ... Distribution of heat flux density in spiral heat exchangers Int J Heat Mass Transfer, 35(6), 1331-1347 Bes, Th and Roetzel, W (1993) Thermal theory of the spiral heat exchanger Int J Heat Mass Transfer,...
Ngày tải lên: 02/04/2014, 15:14
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) ... and Frame Heat Exchangers (PHE) Brazed Plate Heat Exchangers Welded Plate Heat Exchanger (PHE types) Other specialised PHE types The Plate and Shell Heat Exchanger (PSHE) Spiral Heat Exchangers ... PFHE Fin types (courtesy Chart Heat Exchangers) Plate-Fin Heat Exchangers 29 Figure 2.2 Basic structure of Plate Fin Heat Exchanger (PFHE) (courtesy Chart Heat Exchangers) A feature of the typically...
Ngày tải lên: 02/04/2014, 15:23
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 ... 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 ... turbulent flow Fouling of Heat Exchangers 36 In addition to heat transfer, of concern to designers and operators of heat exchangers is the pressure drop experienced in the fluid as it passes through...
Ngày tải lên: 02/04/2014, 15:23
handbook for heat exchangers and tube banks design
... A.1 Fluids in Cross Flow A.2 Heat Exchangers A.2.1 Heat Exchangers with Passages of Internal Fluid (Fig 2.5) A.2.2 Heat Exchangers ... B.3 Heat Exchangers B.3.1 Heat Exchangers with Two Passages of Internal Fluid (Fig 2.5) B.3.2 Heat Exchangers with Three Passages of Internal Fluid ... Mean Difference in Temperature in Reality 15 2.3.2 Heat Exchangers 2.3.2.1 Heat Exchangers with Two Passages of the Internal Fluid We consider heat exchangers with two passages of the fluid inside...
Ngày tải lên: 02/04/2014, 15:24
mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)
... Tank-Type Heat Exchangers 3.3.1 Batch Heat Exchanger 3.3.2 Semibatch Heat Exchanger 3.3.2.1 Mixed–Mixed Fluid Motions 3.3.2.2 Mixed–Plug Fluid Motions 3.3.3 Continuous-Flow Tank-Type Heat Exchangers ... Mixed–Mixed Fluid Motions 3.3.3.2 Mixed–Plug Fluid Motions 3.4 Tubular Heat Exchangers 3.4.1 Cocurrent Flow 3.4.2 Countercurrent Flow—Double-Pipe Heat Exchanger 3.5 Technically Feasible Heat Exchanger ... of the constitutive equation for heat transfer: r 3.3.2.1 Semibatch Heat Exchanger, Mixed–Mixed Fluid Motions r 3.4 Tubular Heat Exchangers We often add another heat exchanger analysis, such as...
Ngày tải lên: 02/04/2014, 15:52
practical thermal design of shell-and-tube heat exchangers - r. mukherjee (begell house, 2004) ww
Ngày tải lên: 03/05/2014, 20:02
Modeling Of Wire On Tube Heat Exchangers Using Finite Element Method
... analysis of wire-on-tube heat exchangers consist of sensible heat transfer and latent heat transfer, it is essential to validate the above method against two similar heat transfer cases for which ... and tube heat exchanger is considered [8] S1 = Heat transfer coe cient, U = 600 W=m2 K Heat capacity rate of cold uid = 200; 000 W Heat capacity rate of hot uid = 17; 000 W Total area of heat transfer ... convection heat transfer from wire-and tube heat exchangers, Trans ASME J Heat Transfer 119 (1997) [2] J.L Hoke, A.M Clausing, T.D Swo ord, An experimental investigation of convective heat transfer...
Ngày tải lên: 19/03/2016, 13:14
1 optimal design of plate and frame heat exchangers for efficient heat recovery in process industries
... plate and frame heat exchangers using parameter plots Heat Transfer Engineering 2010;31(9):742e9 [12] Mehrabian MA Construction, performance, and thermal design of plate heat exchangers Proceedings ... plates with the similar heat transfer area, but other spacing Another approach is the optimization of a whole heat recuperation system, and process conditions for specific heat exchangers, with accounting ... relationships for heat exchangers complex flow arrangements International Journal of Heat and Mass Transfer 1992;35(5):1275e91 [20] Pignotti A, Tamborenia PI Thermal effectiveness of multipass plate exchangers...
Ngày tải lên: 26/08/2016, 18:04
An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs
... the fluid flow and heat transfer characteristics distinctly different from those found for ducts with two roughened walls and four-heated walls For simulating the conditions of solar air heater, ... enhancement of heat transfer to correlate the flow field investigation with the mechanism of heat transfer Experimental setup Two experimental set-ups, one for heat transfer analysis and other for fluid ... augmented heat transfer and friction in asymmetrically heated rectangular ducts with ribs on the heated wall in transverse, inclined, V-continuous and V- discrete pattern Int Journal of Heat Mass...
Ngày tải lên: 05/09/2013, 16:10
The Thermodynamics, Heat Transfer, and Fluid Flow Fundamentals Handbook
... into an equivalent amount of heat and that heat could be converted into work EO 1.8 DEFINE the following: a Heat b Latent heat c Sensible heat d Units used to measure heat EO 1.9 DEFINE the following ... units of heat are often defined in terms of the changes in temperature it produces HT-01 Page 20 Rev Thermodynamics ENERGY, WORK, AND HEAT Another type of heat is called latent heat Latent heat is ... specific heat (cp) of the substance The subscript p indicates that the heat capacity and specific heat apply when the heat is added or removed at constant pressure Cp Q ∆T cp Q m∆T cp q ∆T Cp = heat...
Ngày tải lên: 22/10/2013, 10:15
Fundamentals of the finite element method for heat and fluid flow lewis, nithiarasu,seetharamu
... heat is transferred from the SOME BASIC DISCRETE SYSTEMS 33 Figure 2.11 Pipe network for central heating Cooling fluid out Hot fluid Cold fluid Cooling fluid in A A L Figure 2.12 Counterflow heat ... = T1 + T2 Cold fluid inlet and T11,12 = (2.34) T11 + T12 (2.35) Cold fluid exit Tube Cold fluid out Hot fluid in Shell Baffles Figure 2.6 Schematic diagram of a shell and tube heat exchanger ... 2.2.1 Heat flow in a composite slab 2.2.2 Fluid flow network 2.2.3 Heat transfer in heat sinks (combined conduction–convection) 2.2.4 Analysis of a heat...
Ngày tải lên: 17/03/2014, 13:53
doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 1 of 3
... into an equivalent amount of heat and that heat could be converted into work EO 1.8 DEFINE the following: a Heat b Latent heat c Sensible heat d Units used to measure heat EO 1.9 DEFINE the following ... DOE nuclear facility fluid systems Key Words: Training Material, Thermodynamics, Heat Transfer, Fluid Flow, Bernoulli's Equation Rev HT THERMODYNAMICS, HEAT TRANSFER, AND FLUID FLOW FOREWORD The ... units of heat are often defined in terms of the changes in temperature it produces HT-01 Page 20 Rev Thermodynamics ENERGY, WORK, AND HEAT Another type of heat is called latent heat Latent heat is...
Ngày tải lên: 17/03/2014, 15:00
doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 2 of 3
... the heat transfer coefficient of the two heat exchanger fluids and the thermal conductivity of the heat exchanger tubes Uo is specific to the heat exchanger and the fluids that are used in the heat ... solve problems • ˙ The heat transfer equation for convection heat transfer is Q Rev Page 25 hA∆T HT-02 RADIATION HEAT TRANSFER Heat Transfer RADIANT HEAT TRANSFER Radiant heat transfer is thermal ... counter-flow and parallel flow heat exchangers 1.12 DESCRIBE the differences between regenerative and non-regenerative heat exchangers 1.13 Given the temperature changes across a heat exchanger, CALCULATE...
Ngày tải lên: 17/03/2014, 15:00
doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 3 of 3
... DOE nuclear facility fluid systems Key Words: Training Material, Thermodynamics, Heat Transfer, Fluid Flow, Bernoulli's Equation Rev HT THERMODYNAMICS, HEAT TRANSFER, AND FLUID FLOW FOREWORD The ... thermodynamics and the properties of fluids; the three modes of heat transfer - conduction, convection, and radiation; and fluid flow, and the energy relationships in fluid systems This information ... Springfield, VA 22161 Order No DE92019791 THERMODYNAMICS, HEAT TRANSFER, AND FLUID FLOW ABSTRACT The Thermodynamics, Heat Transfer, and Fluid Flow Fundamentals Handbook was developed to assist...
Ngày tải lên: 17/03/2014, 15:00
computational fluid dynamics an heat transfer
... Element Method in Heat Transfer, Phase Change Problems, Heat Transfer in Micro-Devices, Plate-and-Frame Heat Exchangers, Turbulent Convective Heat Transfer in Ducts, Enhancement of Heat Transfer, ... Compact Heat Exchangers, Engineering Heat Transfer Phenomena, Fins and Fin Systems, Condensation, Materials Processing, Gas Turbine Cooling, Electronics Cooling, Combustion-Related Heat Transfer, Heat ... development in heat transfer is of significant importance to many branches of technology, not least in energy technology Developments include new, efficient heat exchangers, novel heat transfer...
Ngày tải lên: 01/04/2014, 10:42