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Author : Ruey Yng Yuann
Publisher :
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.:/5 (33 download)
Download or read book Condensation from Vapor-gas Mixture for Forced Downflow Inside a Tube written by Ruey Yng Yuann and published by . This book was released on 1993 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (925 download)
Download or read book Numerical Modeling of Condensation from Vapor-gas Mixtures for Forced Down Flow Inside a Tube written by and published by . This book was released on 1995 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laminar film condensation is the dominant heat transfer mode inside tubes. In the present paper direct numerical simulation of the detailed transport process within the steam-gas core flow and in the condensate film is carried out. The problem was posed as an axisymmetric two dimensional (r, z) gas phase inside an annular condensate film flow with an assumed smooth interface. The fundamental conservation equations were written for mass, momentum, species concentration and energy in the gaseous phase with effective diffusion parameters characterizing the turbulent region. The low Reynolds number two equation [kappa]-[epsilon] model was employed to determine the eddy diffusion coefficients. The liquid film was described by similar formulation without the gas species equation. An empirical correlation was employed to correct for the effect of film waviness on the interfacial shear. A computer code named COAPIT (Condensation Analysis Program Inside Tube) was developed to implement numerical solution of the fundamental equations. The equations were solved by a marching technique working downstream from the entrance of the condensing section. COAPIT was benchmarked against experimental data and overall reasonable agreement was found for the key parameters such as heat transfer coefficient and tube inner wall temperature. The predicted axial development of radial profiles of velocity, composition and temperature and occurrence of metastable vapor add insight to the physical phenomena.
Author : Daniel Grant Ogg
Publisher :
ISBN 13 :
Total Pages : 308 pages
Book Rating : 4.:/5 (33 download)
Download or read book Vertical Downflow Condensation Heat Transfer in Gas-steam Mixtures written by Daniel Grant Ogg and published by . This book was released on 1991 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shine-Zen Kuhn
Publisher :
ISBN 13 :
Total Pages : 732 pages
Book Rating : 4.:/5 (33 download)
Download or read book Investigation of Heat Transfer from Condensing Steam-gas Mixtures and Turbulent Films Flowing Downward Inside a Vertical Tube written by Shine-Zen Kuhn and published by . This book was released on 1995 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (925 download)
Download or read book An Investigation of Condensation from Steam-gas Mixtures Flowing Downward Inside a Vertical Tube written by and published by . This book was released on 1995 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Previous experiments have been carried out by Vierow, Ogg, Kageyama and Siddique for condensation from steam/gas mixtures in vertical tubes. In each case the data scatter relative to the correlation was large and there was not close agreement among the three investigations. A new apparatus has been designed and built using the lessons learned from the earlier studies. Using the new apparatus, an extensive new data base has been obtained for pure steam, steam-air mixtures and steam-helium mixtures. Three different correlations, one implementing the degradation method initially proposed by Vierow and Schrock, a second diffusion layer theory initially proposed by Peterson, and third mass transfer conductance model are presented in this paper. The correlation using the simple degradation factor method has been shown, with some modification, to give satisfactory engineering accuracy when applied to the new data. However, this method is based on very simplified arguments that do not fully represent the complex physical phenomena involved. Better representation of the data has been found possible using modifications of the more complex and phenomenologically based method which treats the heat transfer conductance of the liquid film in series with the conductance on the vapor-gas side with the latter comprised of mass transfer and sensible heat transfer conductance acting in parallel. The mechanistic models, based on the modified diffusion layer theory or classical mass transfer theory for mass transfer conductance with transpiration successfully correlate the data for the heat transfer of vapor-gas side. Combined with the heat transfer of liquid film model proposed by Blangetti, the overall heat transfer coefficients predicted by the correlations from mechanistic models are in close agreement with experimental values.
Author :
Publisher :
ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans Dieter Baehr
Publisher : Springer Science & Business Media
ISBN 13 : 3540295275
Total Pages : 706 pages
Book Rating : 4.5/5 (42 download)
Download or read book Heat and Mass Transfer written by Hans Dieter Baehr and published by Springer Science & Business Media. This book was released on 2006-08-02 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a solid foundation in the principles of heat and mass transfer and shows how to solve problems by applying modern methods. The basic theory is developed systematically, exploring in detail the solution methods to all important problems. The revised second edition incorporates state-of-the-art findings on heat and mass transfer correlations. The book will be useful not only to upper- and graduate-level students, but also to practicing scientists and engineers. Many worked-out examples and numerous exercises with their solutions will facilitate learning and understanding, and an appendix includes data on key properties of important substances.
Author : Ryoichi Amano
Publisher : WIT Press
ISBN 13 : 1845640624
Total Pages : 417 pages
Book Rating : 4.8/5 (456 download)
Download or read book Thermal Engineering in Power Systems written by Ryoichi Amano and published by WIT Press. This book was released on 2008 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research and development in thermal engineering for power systems are of significant importance to many scientists who are engaged in research and design work in power-related industries and laboratories. This book focuses on variety of research areas including Components of Compressor and Turbines that are used for both electric power systems and aero engines, Fuel Cells, Energy Conversion, and Energy Reuse and Recycling Systems. To be competitive in today's market, power systems need to reduce the operating costs, increase capacity factors and deal with many other tough issues. Heat Transfer and fluid flow issues are of great significance and it is likely that a state-of-the-art edited book with reference to power systems will make a contribution for design and R&D engineers and the development towards sustainable energy systems.
Author : Michael Kenneth West
Publisher :
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.:/5 (266 download)
Download or read book Forced Convection Condensation from a Vapor Noncondensable Gas Mixture written by Michael Kenneth West and published by . This book was released on 1992 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shine-Zen Kuhn
Publisher :
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.:/5 (33 download)
Download or read book Experimental Investigation of Downward Condensation in Vertical Tube with Noncondensable Gases written by Shine-Zen Kuhn and published by . This book was released on 1993 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lichung Pong
Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (89 download)
Download or read book Vapor Condensation in the Presence of a Noncondensable Gas written by Lichung Pong and published by . This book was released on 1985 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : VDI Gesellschaft
Publisher : Springer Science & Business Media
ISBN 13 : 3540778764
Total Pages : 1608 pages
Book Rating : 4.5/5 (47 download)
Download or read book VDI Heat Atlas written by VDI Gesellschaft and published by Springer Science & Business Media. This book was released on 2010-07-21 with total page 1608 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than 50 years, the Springer VDI Heat Atlas has been an indispensable working means for engineers dealing with questions of heat transfer. Featuring 50% more content, this new edition covers most fields of heat transfer in industrial and engineering applications. It presents the interrelationships between basic scientific methods, experimental techniques, model-based analysis and their transfer to technical applications.
Author : Harold Toshio Inatomi
Publisher :
ISBN 13 :
Total Pages : 83 pages
Book Rating : 4.:/5 (992 download)
Download or read book Condensation of Vapors from a Mixture of Noncondensing Gases in a Vertical Tubular Condenser written by Harold Toshio Inatomi and published by . This book was released on 1947 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Karen Marie Vierow
Publisher :
ISBN 13 :
Total Pages : 474 pages
Book Rating : 4.:/5 (33 download)
Download or read book Behavior of Steam-air Systems Condensing in Cocurrent Vertical Downflow written by Karen Marie Vierow and published by . This book was released on 1990 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Meghan K. Groff
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book Numerical Solution for Turbulent Film Condensation from Vapor-gas Mixtures in Vertical Tubes written by Meghan K. Groff and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : p.m. sherman
Publisher :
ISBN 13 :
Total Pages : 91 pages
Book Rating : 4.3/5 (91 download)
Download or read book condensation in a rapidly expanding metal vapor-inret gas mixture written by p.m. sherman and published by . This book was released on 1967 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John G. Collier
Publisher : Clarendon Press
ISBN 13 : 0191591262
Total Pages : 646 pages
Book Rating : 4.1/5 (915 download)
Download or read book Convective Boiling and Condensation written by John G. Collier and published by Clarendon Press. This book was released on 1994-05-19 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: * Third edition of a well-known and well established text both in industry and for teaching * Fully up-to-date and includes extra problems This book is an aid to heat exchanger design written primarily for design and development engineers in the chemical process, power generation, and refrigeration industries. It provides a comprehensive reference on two-phase flows, boiling, and condensation. The text covers all the latest advances like flows over tube bundles and two-phase heat transfer regarding refrigerants and petrochemicals. Another feature of this third edition is many new problems at chapter ends to enhance its use as a teaching text for graduate and post-graduate courses on two-phase flow and heat transfer. - ;This book is written for practising engineers as a comprehensive reference on two-phase flows, boiling, and condensation. It deals with methods for estimating two-phase flow pressure drops and heat transfer rates. It is a well-known reference book in its third edition and is also used as a text for advanced university courses. Both authors write from practical experience as both are professional engineers. -
