chc 4 cross flow combustor heat exchanger for hydrogen oxidation

Heat exchanger design guide  a practice guide for planning, selecting and designing of shell and tube exchangers

Heat exchanger design guide  a practice guide for planning, selecting and designing of shell and tube exchangers

... ln 40 ¼ 53:6C LMTD ¼ 40 50 ln 40 ¼ 44:8C 21 Trang 242.2 CORRECTED TEMPERATURE DIFFERENCE FOR MULTIPASS HEAT EXCHANGERIn Chapter 1, it was already pointed out that with a multipass heat exchanger, ... Coefficient 413.2 Shell-Side Heat Transfer Coefficient 423.3 Comparison of Different Calculation Models 493.4 Pressure Loss in Convective Heat Exchangers 51 3.5 Heat Exchanger Design with Heat Exchanger ... R:Calculation of the CMTD for nonideal countercurrent: inFigure 2.4 For a single heat exchanger F¼ 0.67Two exchangers in series F¼ 0.94Three exchangers in series F¼ 0.97Four exchangers in series F¼

Ngày tải lên: 02/11/2023, 11:41

266 12 0
An Introduction to Intelligent and Autonomous Control-Chapter 4:Design of Structure-Based Hierarchies for Distributed Intelligent Control

An Introduction to Intelligent and Autonomous Control-Chapter 4:Design of Structure-Based Hierarchies for Distributed Intelligent Control

... search methods for even a simple task, and it would be against the intent of a hierarchy This information may be incorporated as part of the subprocedures, or routines may be implemented for procedure ... completeness and reliability of this informa- tion All the mathematical formulations presented in this section are based on the assumption that this information is complete and totally reliable ... resources of its the (sub)nodes to {0,1}, ie., Ae”: T;X7r, XE my X7TM, X7, };ez" T T T " — 1}, {9,1} so that for a set V;„ € #? x7, x(ÑHỮ'xTM, XTY, Ì¿etnl A*'{V,¿) = 1; if ne *’s accomplish

Ngày tải lên: 17/10/2013, 19:15

30 621 1
Báo cáo hóa học: " Research Article Cross Layer PHY-MAC Protocol for Wireless Static and Mobile Ad Hoc Networks" pot

Báo cáo hóa học: " Research Article Cross Layer PHY-MAC Protocol for Wireless Static and Mobile Ad Hoc Networks" pot

... Trang 1Volume 2009, Article ID 278041, 13 pagesdoi:10.1155/2009/278041 Research Article Cross Layer PHY-MAC Protocol for Wireless Static and Mobile Ad Hoc Networks Sylwia Romaszko ... 350 Agg LND (s): DCF= 222.49 SNAPdMac≈ 350 Agg FND (s): DCF= 207.17 SNAPdMac= 343.42 Figure 10: General results of HD/C scenario (1)—homogeneous network Number of seed 0 4 8 12 16 20×10 3 DCF Basic ... the SNAPdMac protocol Trang 8Node id number0 400 800 1200 1600 2000 2400 2800 3200 3600 “STD” “SNAPdMac” Shadowed urban area, 50 static nodes Figure 4: Number of collisions per node; static network

Ngày tải lên: 21/06/2014, 22:20

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Báo cáo hóa học: " Research Article Cross-Layer Admission Control Policy for CDMA Beamforming Systems" docx

Báo cáo hóa học: " Research Article Cross-Layer Admission Control Policy for CDMA Beamforming Systems" docx

... power for packeti ai Array response vector for packeti λ j Arrival rate for classj μ j Departure rate for classj Ψj Blocking probability constraint for classj D j Connection delay constraint for ... Trang 1Volume 2007, Article ID 14562, 15 pagesdoi:10.1155/2007/14562 Research Article Cross-Layer Admission Control Policy for CDMA Beamforming Systems Wei Sheng and Steven D Blostein ... October 2006; Revised 24 June 2007; Accepted 1 August 2007 Recommended by Robert W Heath Jr A novel admission control (AC) policy is proposed for the uplink of a cellular CDMA beamforming system An

Ngày tải lên: 22/06/2014, 19:20

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Báo cáo hóa học: " Design and Characterization of a 5.2 GHz/2.4 GHz ΣΔ Fractional-N Frequency Synthesizer for Low-Phase Noise Performance" potx

Báo cáo hóa học: " Design and Characterization of a 5.2 GHz/2.4 GHz ΣΔ Fractional-N Frequency Synthesizer for Low-Phase Noise Performance" potx

... Trang 1Volume 2006, Article ID 48489, Pages 1 11DOI 10.1155/WCN/2006/48489 Noise Performance John W M Rogers, 1 Foster F Dai, 2 Calvin Plett, 1 and Mark ... noise components are plotted inFigure 6for a divider ratio of 87 The phase noise for this design integrated from 100 Hz to 10 MHz was predicted to be 0.44 ◦rms The synthesizer was fabricated and ... designs in Table 4 As shown, this design achieved one of the best phase noise performances for integrated WLAN transceiver RFICs Note that in this table the phase noise quoted was for the 10000

Ngày tải lên: 22/06/2014, 22:20

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ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS docx

ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS docx

... Graded Gravel 3/4" to 1/2" Peforated or Open Joint Distributors 24–36 in Filter Media Pea Gravel > in Perforated or Open Joint Pipe, Tarpaper Over Open Joints Graded Gravel 1/4" to 1/2" Longitudinal ... Aquatic Plant System for Municipal Wastewater Treatment 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Plants, Office of Research and Development, Center for Environmental Research Information, Cincinnati, ... Federation, 44, No 2, pp 274 (February 1972) Defne, R.R., G.E Elbert, and M.D Rockwell, Contact stabilization in small package plants, Journal Water Pollution Control Federation, 44, No 2, p 255

Ngày tải lên: 10/08/2014, 20:20

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Advanced flow based type systems for object oriented languages

Advanced flow based type systems for object oriented languages

... 3.1.4 Organization of Part I 40 3.2 Regions Types 42 3.3 Region-Based Memory Model 43 3.4 Regions Annotations 44 3.4.1 Regions for Field Declarations 45 3.4.2 Regions for ... Example 70 4.1.2 Inference Rules Summary 73 4.2 Inference for a Class 76 4.3 Inference for Expressions 78 4.4 Localising Regions 80 4.5 Inference for a Method 83 4.6 Solving ... 73 4.6 Auxiliary Rules for Region Inference 74 4.7 Region Inference Rules for a Class 77 4.8 Region Inference Rules for Expressions 79 4.9 Example with Circular Structure 81 4.10

Ngày tải lên: 11/09/2015, 16:01

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An ice slurry system using direct contact heat transfer for cooling applications

An ice slurry system using direct contact heat transfer for cooling applications

... Figure 4.25 (a) Pump located before Heat Exchanger Figure 4.25 (b) Pump located after Heat Exchanger Figure 4.26 Flow Chart for experimental procedure showing varying Cooling Loads Figure 4.27 ... utilize ice slurry for air cooling Electric Heater Figure 4.23 Electric heating system – heater, rheostat, fan. Figure 4.24 Flow Chart for experimental procedure showing varying coolant flow rates in ... fraction (2%, 3%, 4% and 5%) 144 Accuracy of heat transfer correlation 145 Comparison of avg. Nu. number for ice slurry flow through pipe 147 Thermal performance of ice slurry for different ice

Ngày tải lên: 14/09/2015, 08:23

172 334 0
A generalised lattice boltzmann model of fluid flow and heat transfer with porous media

A generalised lattice boltzmann model of fluid flow and heat transfer with porous media

... of LBM 24 2.3 BGK Approximation 27 2.4 Determination of Lattice Weights 34 2.5 Chapman-Enskog Expansion 38 CHAPTER 3 A GENERALIZED LATTICE BOLTZMANN METHOD 46 3.1 Porous Flow Model 46 3.2 ... is presented for simulating two dimensional flow and heat-transfer in porous media The drag effect of the porous medium is accounted by an additional force term To deal with the heat transfer, ... description 3 Trang 13Figure 4.10 Velocity profile in channel with full porous medium for Figure 4.11 Velocity profile in channel with partial porous medium for Figure 4.12 Horizontal velocity profile

Ngày tải lên: 16/09/2015, 12:42

135 446 0
Granular flow and heat transfer in a screw conveyor heater  a discrete element modeling study

Granular flow and heat transfer in a screw conveyor heater a discrete element modeling study

... of bulk flow 48 3.4 Calibration of heat transfer coefficients 49 3.4.1 Application of the penetration model 49 3.4.2 Wall-to-particle heat transfer 50 3.4.3 Particle-particle heat transfer ... 67 3.6.4 Heat transfer coefficient 68 4 Granular Flow Characteristics 70 4.1 Introduction 70 4.2 Hold-up 70 4.3 Degree of fullness as a validation parameter 74 4.4 Residence ... systems 46 3.2 Properties of granular bed material 47 3.3 Calibrated properties for glass bed and copper wall 49 3.4 Parameters for heat transfer calibration 50 3.5 Parameters for calculation

Ngày tải lên: 02/10/2015, 17:14

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Experimental and numerical investigation to evaluate the performance of triangular finned tube heat exchanger

Experimental and numerical investigation to evaluate the performance of triangular finned tube heat exchanger

... distances for smooth tube heat exchanger Figure 16 Velocity contours of air side for smooth tube heat exchanger Figure 17 Velocity contours of water side for smooth tube heat exchanger ... Heat Exchangers″, International Journal of Heat and Mass Transfer, Vol.47, pp.1953–1964, 2004 [10] Mir N A., Syed K S and Mazhar Iqbal, Numerical Solution of Fluid Flow and Heat ... exchanger Figure 19 Velocity contours of air side for triangular finned tube heat exchanger Figure 20 Velocity contours of water side for triangular finned tube heat exchanger

Ngày tải lên: 20/11/2015, 14:05

14 220 0
Numerical computation of the fluid flow and heat transfer between the annuli of concentric and eccentric horizontal cylinders

Numerical computation of the fluid flow and heat transfer between the annuli of concentric and eccentric horizontal cylinders

... Number 44 4.2.1 Streamline and Isothermal plots 4.2.2 Local equivalent thermal conductivity Keql 46 4.3 Effects of Rayleigh Number 4.3.1 Low Rayleigh number 4.3.2 Increasing Rayleigh number 51 4.4 ... and Time Step 40 3.9 Computation of the Overall Heat Transfer Coefficients 40 Chapter Results and Discussion for Concentric Cylinders 41 4.1 Flow Mechanics and General Patterns 42 4.2 Effects of ... the flow patterns were categorized into three types, and characteristics of flow patterns and heat transfer are elucidated For the flows in horizontal eccentric annulus, the flow and the heat

Ngày tải lên: 27/11/2015, 11:12

173 384 0
A vietnamese   english cross cultural study on gestures for greeting

A vietnamese english cross cultural study on gestures for greeting

... 1:informants’ background Informats’ paramaters Vietnamese (N=40) Male Female (N=30) (N=10) Informants below 20 Informants from 20 to 40 21 Informants above 40 Informants who are married 10 Informants ... cross-cultural similarities and differences 40 PART C CONCLUSION 42 REFERENCES 43 Nguyen Thi Thanh Loan_K18A4_(2011-2015) Graduation paper LIST OF TABLES Table 1: Informants’ ... Gestures across cultures 11 Chapter 2: GREETING GESTURES 14 2.1 Greeting 14 2.2 Greeting gestures across cultures 14 2.2.1 Dead gestures 14 2.2.2 Contemporary

Ngày tải lên: 24/06/2016, 21:33

51 682 2
Fruit Fly Vapour Heat Disinfestation for Vietnam fresh fruit: an example of technical cooperation experiences with JICA  (20052008)

Fruit Fly Vapour Heat Disinfestation for Vietnam fresh fruit: an example of technical cooperation experiences with JICA (20052008)

... management Trang 284 Contribution of Vietnamese Government FY2005 652,638,107 VND (41,228 USD) FY2006 286,043,299 VND (17,894 USD) FY2007 300,000,000 VND (18,653 USD) Trang 29 Equipment for 8 labs Trang ... organization for solving problems when they occurred. Planned experiments for each year were implemented smoothly as scheduled. Advantages Trang 39Thank you for your kind attention and… Trang 40… ... and 2007 (4 months) Trang 19 Study tours Two study tours to Japan for 6 Vietnamese managers to learn about Plant Quarantine Administration (2005 and 2006) Trang 20 Commitment and performance

Ngày tải lên: 27/06/2016, 20:26

40 535 0
Chapter 4 Sets and Functions Discrete Structures for Computer Science (CO1007)

Chapter 4 Sets and Functions Discrete Structures for Computer Science (CO1007)

... Definition Let A ⊆ (S, 4) • If u is an element of S such that a 4 u for all elements a ∈ A, then u is called anupper bound (cận trên) of A • If l is an element of S such that l 4 a for all elements ... Relations Homeworks Example 1 Example Suppose that S = {1, 2, 3, 4, 5, 6} The collection of sets A1= {1, 2, 3}, A2= {4, 5}, and A3= {6} forms a partition of S, because these sets are disjoint and ... Partial Order Relations • Order words such that x comes before y in the dictionary • Schedule projects such that x must be completed before y • Order set of integers, where x < y Definition

Ngày tải lên: 29/03/2017, 18:30

40 498 0
4 12 energy from heat (physical science)

4 12 energy from heat (physical science)

... Trang 1Scott Foresman Science 4.12Nonfi ction Cause and Effect • Captions • Labels • Diagrams • Glossary Heat ISBN 0-328-13893-2 ì<(sk$m)=bdijdh< +^-Ä-U-Ä-U Scott Foresman Science 4.12 Nonfi ... transmission in any form by any means, electronic, mechanical, photocopying, recording, or likewise For information regarding permission(s), write to Permissions Department, Scott Foresman, 1900 East ... 60025. 3 4 5 6 7 8 9 10 V010 13 12 11 10 09 08 07 06 05 by Peggy Bresnick Kendler Trang 3Energy in MatterHave you ever rubbed your bare foot back and forth across a carpet? You made heat by using

Ngày tải lên: 26/04/2017, 14:38

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Computer simulation of flow and heat transeer

Computer simulation of flow and heat transeer

... 111 Exercise Problems 30 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 4.18 4.19 4.20 4.21 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 32 HEAT TRANSFER Applications of Heat Conduction 32 Steady ... method 280 Flops I 255 1, 4, 40, 48, 52, Gaussian elimination 59 Gauss-Seidel iterative method 40,42, 44,48,51,52,59 G-E 40 Gebhart, B 293 Grashof number 201 G-S 42,43,45,89 Global diffusion matrix ... 73, 74, 75, 78, 79, 86, 87, 166 Creeping flow 125 Flow over flat plate 140· Flow over a heated flat plate 162 Flow of liquid metals 163 Flow over 2-D wedge 140 Forward difference 21,23,24,25

Ngày tải lên: 08/03/2018, 14:57

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heat treatments for citrus

heat treatments for citrus

... Experiment 4 40 4 CONTROL OF POSTHARVEST DISEASES IN ‘RUBY RED’ GRAPEFRUIT BY HOT WATER DIP TREATMENT 44 Introduction 44 Materials and Methods 44 Fruit 44 Experiment 1 45 Experiment 2 45 Experiment 3 46 ... Peel Scalding 47 Residue Analysis 47 Weight Loss 47 Peel Color 48 Total Soluble Solids and Titratable Acidity 48 Percent Juice 48 Peel Puncture Resistance 48 Statistical Analysis 48 vi Trang 7Experiment ... 1997) For example, navel and ‘Valencia’ oranges inoculated with Penicillium digitatum spores, and after 24 h immersed in 2%, 4% or 6% sodium carbonate solutions for 1 or 2 min at 35.0, 40.6, 43.3,

Ngày tải lên: 22/04/2018, 22:50

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PEMFC heat recovery for preheating inlet air in standalone solar hydrogen systems for remote telecommunication applications (tt)

PEMFC heat recovery for preheating inlet air in standalone solar hydrogen systems for remote telecommunication applications (tt)

... 41 3) Exergetic Efficiency of a PEMFC in the Context of Telecommunication Application 44 4 experimentally setting up pemfc with heat recovery for preheating inlet air 48 4.1 Introduction 48 ... 6vi 4.2 Experimental setup 49 4.2.1 Description of overall system 49 4.2.2 Hydrogen line 50 1) Properties of hydrogen 50 2) Measurement equipment 50 4.2.3 Fuel cell 51 1) General information ... about the fuel cell stack 51 2) Blowers 53 3) Air flow rates 53 4.2.4 Air line 54 1) Overall plan 54 2) Manifolds 55 3) Heat exchanger 55 4) Additional blower 56 5) Vortex Tube 57 6) Measurements

Ngày tải lên: 20/06/2018, 12:48

12 151 0
Báo cáo hóa học: " Performance evaluation on an air-cooled heat exchanger for alumina nanofluid under laminar flow" pdf

Báo cáo hóa học: " Performance evaluation on an air-cooled heat exchanger for alumina nanofluid under laminar flow" pdf

... nanofluid with a high heat convective performance for heat exchange can help reduce the volume of the heat exchanger In addition, using nanofluid with higher heat transfer performance instead of ... sinks, plate heat exchangers, double-tube heat exchangers, or heated enclosures, and seldom used in air-cooled heat exchangers Since the ultimate goal of radiators is to discharge heat into the ... temperature controller (TTM-J4, TOHO, Japan) with SSR (SSR -40 DA, Manax, Taiwan) and heater (300 W), the nanofluid was pumped to an air-cooled heat exchanger for circulation The heat exchange capacity...

Ngày tải lên: 21/06/2014, 01:20

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