10 analogy between momentum and heat transfer in turbulent flow over a flat surface

hydrodynamics, mass, and heat transfer in chemical engineering, crc (2002) - opet

hydrodynamics, mass, and heat transfer in chemical engineering, crc (2002) - opet

Ngày tải lên : 02/04/2014, 15:52
... shapes, and flow past plates, cylinders, and disks are examined In Chapters and we analyze mass and heat transfer in plane channels, tubes, and fluid films We consider the mass and heat exchange ... gravity forces are in balance, the hydrodynamic laws of steady-state laminar flow virtually determine the rate of mass exchange in various apparatuses, like packed absorbing and fractionating columns, ... N Wakao and S Kaguei Volume THREE-PHASE CATALYTIC REACTORS by P .A Ramachandran and R.V Chaudhari Volume DRYING: Principles, Applications and Design by C Strumillo and T Kudra Volume THE ANALYSIS...
  • 406
  • 354
  • 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

Ngày tải lên : 02/10/2015, 17:14
... of a calciner and an impregnator, represented by a cylindrical vessel and a double cone vessel respectively Particle-particle heat transfer was modeled using standard heat balance equations and ... that is, the determination of parameters affecting flow and heat transfer using calibration techniques Calibration is necessary as it tunes the simulation parameter so that bulk thermal and flow ... method and marketed product (Sabarez and Athapol, 1993) 19 Table 1.4 (continued) SCD (indirect heating) Experimental Flow, heat and mass transfer study; Comprehensive performance evaluation of water-heated...
  • 144
  • 486
  • 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

Ngày tải lên : 07/10/2015, 10:10
... of a calciner and an impregnator, represented by a cylindrical vessel and a double cone vessel respectively Particle-particle heat transfer was modeled using standard heat balance equations and ... that is, the determination of parameters affecting flow and heat transfer using calibration techniques Calibration is necessary as it tunes the simulation parameter so that bulk thermal and flow ... method and marketed product (Sabarez and Athapol, 1993) 19 Table 1.4 (continued) SCD (indirect heating) Experimental Flow, heat and mass transfer study; Comprehensive performance evaluation of water-heated...
  • 144
  • 652
  • 0
NONLINEARITIES BETWEEN ATTITUDE AND SUBJECTIVE NORMS IN INFORMATION TECHNOLOGY ACCEPTANCE: A NEGATIVE SYNERGY?1

NONLINEARITIES BETWEEN ATTITUDE AND SUBJECTIVE NORMS IN INFORMATION TECHNOLOGY ACCEPTANCE: A NEGATIVE SYNERGY?1

Ngày tải lên : 08/04/2014, 18:33
... high, increases in attitude had a decreasing marginal impact on IT use intentions, and when attitude was high, increases in subjective norms had a decreasing marginal impact on usage intentions Also, ... importance of including significant nonlinear relationships in research models in general, and taking into account the significant nonlinear relationship between A and SN in organizational IT ... of Interaction and Non-linear Modeling,” in Interaction and Nonlinear Effects in Structural Equation Modeling, R E Schumacker and G A Marcoulides (eds.), Mahwah, NJ: Lawrence Erlbaum Associates,...
  • 19
  • 358
  • 0
Báo cáo sinh học: " Exploration of lagged relationships between mastitis and milk yield in dairy cows using a Bayesian structural equation Gaussian-threshold model" pdf

Báo cáo sinh học: " Exploration of lagged relationships between mastitis and milk yield in dairy cows using a Bayesian structural equation Gaussian-threshold model" pdf

Ngày tải lên : 14/08/2014, 13:22
... specifications The data were analyzed using a standard multivariate linear sire model (LM), a recursive multivariate linear sire model (R-LM), a standard Gaussian-threshold (GT) sire model, and a recursive ... between mastitis and MY during the first 180 days of first-lactation Norwegian Red cows For comparison, the data were also analyzed using standard multivariate linear and Gaussian-threshold models, as ... structural equation models are described for inferring SIR relationships between binary (e.g., diseases) and continuous (e.g., production) characters A Bayesian analysis via Markov chain Monte Carlo...
  • 25
  • 378
  • 0
MÔ HìNH HOá QUá TRìNH TRAO ĐổI NHIệT ẩM TRONG MáY ấP TRứNG GIA CầM Modeling of heat and mass transfer in chicken egg incubators

MÔ HìNH HOá QUá TRìNH TRAO ĐổI NHIệT ẩM TRONG MáY ấP TRứNG GIA CầM Modeling of heat and mass transfer in chicken egg incubators

Ngày tải lên : 28/08/2013, 08:31
... Simulation of Mass and Heat Transfer in High Moisture Foods, Trans ASAE, pp 55-59 224 Husain A. , Chen C.S., Clayton J T (1973), Simultaneuos Heat and Mass Diffusion in Biological Material, Trans ASAE, ... 131-133 Haghighi K., Segerlind L.J, (1988), Modeling Simultaneous Heat and Mass Transfer in Isotropic Sphere, Trans ASEA, pp 31 Husain A. , Chen C.S., Clayton J T, Whitney L.F (1972), Mathematical Simulation ... Material, Trans ASAE, pp 69-73 Luikov, A V (1980), Heat and mass transfer, Mir Publisher, Moscow Peebles E D, Christopher D McDaniel (2004), A Practical Manual for Understanding the Shell Structure...
  • 9
  • 1.5K
  • 4
Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium

Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium

Ngày tải lên : 05/09/2013, 14:58
... Panda J P Mass transfer effects on MHD flow and heat transfer past a vertical porous plate through a porous medium under oscillatory suction and heat source Int J Heat Mass Transfer 2009, 52, ... the above analysis, we summarize the following results of physical interest on the velocity and temperature of the flow field and also on skin friction and the rate of heat transfer at the wall ... field near the plate upto a certain distance and thereafter the flow behaviour reverses An increase in suction parameter/Reynolds number increases the temperature of the flow field at all points...
  • 12
  • 493
  • 0
Heat and Mass Transfer in Porous Media pdf

Heat and Mass Transfer in Porous Media pdf

Ngày tải lên : 31/03/2014, 16:20
... Heat and Mass Transfer Processes in a Porous Medium and a Hele-Shaw Cell A V Gorin 139 Heat and Mass Transfer in Porous Materials with Complex Geometry: Fundamentals and Applications ... to a deeper understanding of that process Laboratory experiments are a way of demonstrating and quantifying that capacity and can be implemented in three different levels At material level, international ... between Tmin and 28°C, and RH was allowed to float below 90% The ventilation rate is constant and the vapour production takes place between and h, with a constant value On walls and ceiling the admitted...
  • 270
  • 1.9K
  • 3
mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)

mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)

Ngày tải lên : 02/04/2014, 15:52
... basic physical principles underlying mass and heat transfer and be able to apply those principles to analyze existing equipment and design and analyze laboratory experiments to obtain data and ... to heat transfer and, in particular, conductive heat transfer in solids This often leads to overemphasis of mathematical manipulation and solution of ordinary and partial differential equations ... approach to heat and mass transfer Models of the physical situations encountered in heat and mass transfer are almost always a set of algebraic or differential equations A straightforward application...
  • 405
  • 3.2K
  • 0
Evaporation Condensation and Heat transfer Part 10 pdf

Evaporation Condensation and Heat transfer Part 10 pdf

Ngày tải lên : 19/06/2014, 12:20
... external surface coating: • facade P1 has a brick exterior coating; 360 Evaporation, Condensation and Heat Transfer • • • facade P2 has a coating of ceramic tiles; facade P3 has a coating of ... that it is not surprising that surfactant solutions can 384 Evaporation, Condensation and Heat Heat Transfer Transfer 10 Abe et al (2005) DNS at Reτ0 = 102 0 101 10 Present Case Case Case 3a Case ... wall heat flux (but the instantaneous heat flux is time-dependent), so that the statistically averaged temperature 380 Evaporation, Condensation and Heat Heat Transfer Transfer increases linearly...
  • 40
  • 377
  • 0
Báo cáo hóa học: " Review of thermo-physical properties, wetting and heat transfer characteristics of nanofluids and their applicability in industrial quench heat treatment" pot

Báo cáo hóa học: " Review of thermo-physical properties, wetting and heat transfer characteristics of nanofluids and their applicability in industrial quench heat treatment" pot

Ngày tải lên : 21/06/2014, 04:20
... cavitation Int J Heat Mass Transf 2004, 47: 3109 -3117 115 Bang IC, Chang SH: Boiling heat transfer performance and phenomena of Al2O3-water nanofluids from a plain surface in a pool Int J Heat ... critical heat flux Int J Heat Mass Transf 2007, 50: 4105 -4116 96 Pantzali MN, Kanaris AG, Antoniadis KD, Mouza AA, Paras SV: Effect of nanofluids on the performance of a miniature plate heat exchanger ... Similarly Bang and Chang also observed that the addition of alumina nanoparticles caused a decrease of the pool nucleate boiling heat transfer The heat transfer coefficient was decreased by increasing...
  • 15
  • 434
  • 0
A numerical study of heat and mass transfer in porous fluid coupled domains

A numerical study of heat and mass transfer in porous fluid coupled domains

Ngày tải lên : 12/09/2015, 21:13
... Ochoa-Tapia and Whitaker’s stress jump conditions for the flow, heat and mass transfer in porous/fluid coupled domains, and to investigate their effects on local and global heat and mass transfer; ... transfer interface conditions, usually continuities of temperature and heat flux are required (Neale and Nader, 1974; Vafai and Thiyagaraja, 1987; OchoaTapia and Whitaker, 1997; Jang and Chen, ... coupled domains; To investigate the flow and mass transport in a microchannel reactor with a porous wall; and to develop combined non-dimensional parameters for a systematic and parametrical analysis...
  • 286
  • 532
  • 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

Ngày tải lên : 27/11/2015, 11:12
... particular, rotating outer cylinder in the concentric cylinders was investigated, the flow patterns were categorized into three types, and characteristics of flow patterns and heat transfer are elucidated ... produce greater nonuniformity in the temperature field and degradation in the average heat transfer Yoo (1996) numerically investigated dual steady solution in natural convection in an annulus between ... a two-dimensional numerical model to study the characteristics of heat and fluid flow in concentric annuli with outer cylinder rotating The overall and local heat transfer coefficients over a...
  • 173
  • 384
  • 0
2D Modeling of thermokinetics coupled with heat and mass transfer in the reduction zone of a fixed bed downdraft biomass gasifier

2D Modeling of thermokinetics coupled with heat and mass transfer in the reduction zone of a fixed bed downdraft biomass gasifier

Ngày tải lên : 01/08/2016, 09:31
... experimental and modeling work was conducted by Janajreh and Al Shrah [18] on a small scale batch type downdraft gasifier A near steady state was observed to appear after approximately 15 of operating ... advantages In fact, it is comparatively a cheap and practical facility for biomass gasification [6], and it is also known for the production of syngas with low tar content Banapurmath and Tewari ... kinetic models must include detailed transport phenomena since char gasification is a process controlled by both chemical reactions and internal and external mass and heat transfer processes Indeed,...
  • 11
  • 665
  • 0
Báo cáo khoa học: "Disambiguating Between Generic and Referential “You” in Dialog ∗" ppt

Báo cáo khoa học: "Disambiguating Between Generic and Referential “You” in Dialog ∗" ppt

Ngày tải lên : 08/03/2014, 03:20
... two-party data is reasonable, and we see promising results on multiparty data with a basic set of features We expect the accuracy to go up once we train and test on samegenre data and also add features ... this feature alone to cause an increase in overall accuracy Error Analysis We performed an error analysis on our best classifier output on the training set; accuracy was 94.53%, giving a total of ... conversations, yielding 85 utterances containing “you”; the task was reported to be easy, and the kappa was 100 % We then annotated a total of 42 conversations for training and 13 for testing Different...
  • 4
  • 352
  • 0
Cadmium and zinc interactions and their transfer in

Cadmium and zinc interactions and their transfer in

Ngày tải lên : 15/03/2014, 23:22
... root surface and within the plant also affect uptake and translocation Cadmium, unessential to plants, and zinc, essential to plants, are elements having similar geochemical and environmental properties ... contents in corn leaves and grain in calcareous soils, and Dudka et al Ž1994., who, in their pot experiment, concluded that the contents of Cd and Zn in spring wheat parts Žstraw and grain increased ... at WA was 47 and 17 times higher than the contents found at YA and MA in spring wheat lands, respectively, and 46 and 20 times in corn lands, respectively Soil Zn concentration at WA was and 1.5...
  • 9
  • 502
  • 0
Báo cáo khoa học: In vitro analysis of the relationship between endonuclease and maturase activities in the bi-functional doc

Báo cáo khoa học: In vitro analysis of the relationship between endonuclease and maturase activities in the bi-functional doc

Ngày tải lên : 17/03/2014, 10:20
... AnI19R 5¢-AATTCATGAGGAGGTTTCTCTGTAACA-3¢; AnI19H 5¢-AGCTTGTTACAG-AGAAACCTCCTCATG-3¢; AnI17R 5¢-AATTCACGAGGAGGTTTCTCTGTACTA-3¢; AnI17H 5¢-AGCTTAGTACAGAGAAACCTCCTCG TG-3¢; AnI15R 5¢-AATTCACAGGAGGTTTCTCT-GTC ... I-AniI and varying concentrations of end-labeled pCOBLE or uniformly labeled AnCOB pre-RNA RNA binding reactions contained mM MgCl2 and DNA binding reactions contained mM CaCl2 Both determinations ... with varying DNA substrates in TK9 buffer containing 10 mM MgCl2 and 10% glycerol Reactions containing nM I-AniI and 0.3 nM DNA are indicated (d, r, m, j) A control reaction with 33% less I-AniI...
  • 12
  • 483
  • 0
engineering thermofluids thermodynamics fluid mechanics and heat transfer

engineering thermofluids thermodynamics fluid mechanics and heat transfer

Ngày tải lên : 02/04/2014, 15:51
... gained popularity, it is hardly a new approach For example, Bird, Stewart, and Lightfoot in Transport Phenomena, Rohsenow and Choi in Heat, Mass, and Momentum Transfer, ElWakil, in Nuclear Heat ... the engineering subject Topics are prepared in seven major chapters; Introduction, Thermodynamics, Single-Phase Flow, Single-Phase Heat Transfer, Two-Phase Flow and Heat Transfer, Applications ... cloudy weather and at night The heat sink for the solar loop acts as a heat source for the space being heated, as the tank water is circulated in a heating coil over which the colder air flows 7 Power...
  • 1.1K
  • 494
  • 0
introduction to thermal systems engineering thermodynamics, fluid mechanics, and heat transfer

introduction to thermal systems engineering thermodynamics, fluid mechanics, and heat transfer

Ngày tải lên : 02/04/2014, 16:45
... Drag Coefficient Data 332 Lift 335 Chapter Summary and Study Guide 337 Problems 338 HEAT TRANSFER Heat 15 Getting Started inRate Equations Transfer: Modes, and Energy Balances 342 15 .10 Heat Transfer ... mechanics and heat transfer applications in a hybrid vehicle Within the engine, air, Chapter What Is Thermal Systems Engineering? fuel, engine coolant, and oil are circulated through passageways, ... (IT) and Interactive Heat Transfer (IHT) These programs are built around equation solvers enhanced with property data and other valuable features With the IT and IHT software you can obtain a single...
  • 801
  • 1.2K
  • 0

Xem thêm