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Author : Jack Earl Norwood
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (53 download)
Download or read book Heat Transfer Coefficients for Condensation on a Finned Tube in a Vertical Position written by Jack Earl Norwood and published by . This book was released on 1948 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Allan V. Forbes
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (573 download)
Download or read book Condensation on Vertical Finned Tubes written by Allan V. Forbes and published by . This book was released on 1950 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kuppan Thulukkanam
Publisher : CRC Press
ISBN 13 : 9781420026870
Total Pages : 1142 pages
Book Rating : 4.0/5 (268 download)
Download or read book Heat Exchanger Design Handbook written by Kuppan Thulukkanam and published by CRC Press. This book was released on 2000-02-23 with total page 1142 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This comprehensive reference covers all the important aspects of heat exchangers (HEs)--their design and modes of operation--and practical, large-scale applications in process, power, petroleum, transport, air conditioning, refrigeration, cryogenics, heat recovery, energy, and other industries. Reflecting the author's extensive practical experienc
Author : Allan VanGelder Forbes
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (53 download)
Download or read book Condensation of Pure Vapors on Spiral Finned Tubes in a Vertical Position written by Allan VanGelder Forbes and published by . This book was released on 1949 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : DIANE Publishing
ISBN 13 : 1428914331
Total Pages : 59 pages
Book Rating : 4.4/5 (289 download)
Download or read book Effect of Condensation on Performance and Design of Extended Surfaces written by and published by DIANE Publishing. This book was released on with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Lee Cobb
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (64 download)
Download or read book The Influence of Wall Conductivity on Film Condensation with Integral Fin Tubes written by Robert Lee Cobb and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat transfer performance of steam condensing on horizontal finned tubes made of copper, aluminum, copper nickel(90/10), and stainless steel(316) was studied using a condenser test rig at both vacuum and atmospheric conditions. Integral fin tubes included conventional rectangular shaped fins as well as rectangular fins having a radiussed root geometry (ie, a fillet radius equal to half the fin spacing). All finned tubes had inner and outer diameters of 12.70mm and 15.88mm respectively, and had a fin thickness of l.0mm and a fin spacing of 1.5mm. The overall heat transfer coefficient (U sub o) was determined experimentally and the outside heat transfer coefficient (ho) was obtained utilizing a modified Wilson Plot procedure. Results indicated that the performance of a finned tube was strongly dependent on the tube material and weakly dependent on fin geometry. Radiussing the fin root to remove condensate between fins in the unflooded portion (ie, top portion) of a finned tube reduced the heat transfer performance compared to a conventional rectangular shaped integral fin. Experimental data were compared to the models of Beatty and Katz as well as to a modified model of Rose.
Author : S. M. Sohel Murshed
Publisher : BoD – Books on Demand
ISBN 13 : 9535130919
Total Pages : 219 pages
Book Rating : 4.5/5 (351 download)
Download or read book Heat Exchangers written by S. M. Sohel Murshed and published by BoD – Books on Demand. This book was released on 2017-04-26 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents contributions from renowned experts addressing research and development related to the two important areas of heat exchangers, which are advanced features and applications. This book is intended to be a useful source of information for researchers, postgraduate students, academics, and engineers working in the field of heat exchangers research and development.
Author : Karl Stephan
Publisher : Springer Science & Business Media
ISBN 13 : 3642524575
Total Pages : 342 pages
Book Rating : 4.6/5 (425 download)
Download or read book Heat Transfer in Condensation and Boiling written by Karl Stephan and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: I welcome the opportunity to have my book translated, because of the great emphasis on two-phase flow and heat transfer in the English-speaking world, as related to research, university education, and industrial practice. The 1988 Springer-Verlag edition of "Warmeiibergang beim Kondensieren und beim Sieden" has been enlarged to include additional material on falling film evaporation (Chapter 12) and pressure drop in two-phase flow (Chapter 13). Minor errors in the original text have also been corrected. I would like to express my sincere appreciation to Professor Green, Asso ciate Professor of German at Rensselaer, for his excellent translation and co operation. My thanks go also to Professor Bergles for his close attention to technical and linguistic details. He carefully read the typescript and made many comments and suggestions that helped to improve the manuscript. I hope that the English edition will meet with' a favorable reception and contribute to better understanding and to progress in the field of heat transfer in condensation and boiling. February 1992 K. Stephan Preface to the German-Language Edition This book is a continuation of the series "Heat and Mass Transfer" edited by U. Grigull, in which three volumes have already been published. Its aim is to acquaint students and practicing engineers with heat transfer during condensa tion and boiling, and is intended primarily for students and engineers in mechanical, chemical, electrical, and industrial processing engineering.
Author : V. G. Rifert
Publisher : WIT Press (UK)
ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.3/5 (91 download)
Download or read book Condensation Heat Transfer Enhancement written by V. G. Rifert and published by WIT Press (UK). This book was released on 2004 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: In processes with condensation of steam-to-gas compositions or refrigerative agents an intensification of condensation is often required because thermal resistance on the condensation side can be greater than the thermal resistance of the heat transfer wall on the cooling side. In this work, a pair of researchers from the National Technical U. of Ukraine and the State Academy of Refrigeration (Ukraine) provide information about the enhancement of condensation, including research results from the former USSR they feel deserves wider dissemination as well as discussion of different theoretical models of the condensation process. The US office of WIT Press is Computational Mechanics. Annotation : 2004 Book News, Inc., Portland, OR (booknews.com).
Author : James M. Coumes
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (227 download)
Download or read book Some Aspects of Film Condensation of Steam on Finned Tubes written by James M. Coumes and published by . This book was released on 1989 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat-transfer measurements were made for filmwise condensation of steam on smooth tubes and finned tubes with rectangular-shaped fins. The influence of fin root diameter on a single horizontal finned tube was examined by taking data for two families of tubes whose fin root diameters were 12.7 and 19.05 mm. Each family of tubes had fins that were 1 mm thick and 1 mm high, but with fin spacings of 0.25, 0.50, 1.0, 1.5, 2.0, and 4.0 mm. To compare results being obtained in a concurrent research project with Queen Mary College (University of London), data were collected on two tubes whose fin root diameters were 12.7 mm, and which had fin thickness of 0.5 mm, fin heights of 1.59 mm, and fin spacings of 1.0 mm. A comparison of the enhancement ratios (based on constant vapor-side temperature drop) with past Naval Postgraduate School (nps) studies showed good agreement. The apparatus was then modified in order to study the effects of condensate inundation.
Author : Kenneth Orion Beatty
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)
Download or read book Condensation of Vapors on Outside of Finned Tubes written by Kenneth Orion Beatty and published by . This book was released on 1948 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S.G. Kandlikar
Publisher : Routledge
ISBN 13 : 135144218X
Total Pages : 802 pages
Book Rating : 4.3/5 (514 download)
Download or read book Handbook of Phase Change written by S.G. Kandlikar and published by Routledge. This book was released on 2019-01-22 with total page 802 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a comprehensive coverage of the basic phenomena. It contains twenty-five chapters which cover different aspects of boiling and condensation. First the specific topic or phenomenon is described, followed by a brief survey of previous work, a phenomenological model based on current understanding, and finally a set of recommended design equa
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)
Download or read book Film Condensation of Steam on Externally Finned Horizontal Tubes written by and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filmwise condensation measurements of steam were made on horizontal finned tubes under vacuum and near-atmospheric conditions. Data were obtained for copper tubes with fins of rectangular, triangular, trapezoidal, and parabolic cross sections, and for a commercially-available finned tube. A stainless steel finned tube was also tested to investigate the effect of thermal conductivity. Maximum enhancements of about 4.8 were obtained under vacuum conditions, and about 6.9 at atmospheric pressure, compared to a smooth tube having an outside diameter equal to the root diameter of the finned tubes. The optimum fin spacing was found to be about 2.0 mm for rectangularly shaped-fins with a fin-thickness of 1.0 mm, and fin height of 0.5 and 1.5 mm. Fins with a parabolic shape were shown to perform better than fins of rectangular shape, and fins were shown to degrade the performance of stainless steel tubes. The effects of vapor shear were also shown to have only a small influence on the steam-side heat transfer coefficient. A theoretical model proposed by Webb et al. was found to underpredict the experimental data. Several suggestions to modify this model are described. Keywords: External fin; Heat transfer coefficient; Enhancement, Condenser tubes (Theses).
Author : Frederick A. Flook
Publisher :
ISBN 13 :
Total Pages : 147 pages
Book Rating : 4.:/5 (227 download)
Download or read book Film Condensation of Steam on Externally Finned Horizontal Tubes written by Frederick A. Flook and published by . This book was released on 1985 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filmwise condensation measurements of steam were made on horizontal finned tubes under vacuum and near-atmospheric conditions. Data were obtained for copper tubes with fins of rectangular, triangular, trapezoidal, and parabolic cross sections, and for a commercially-available finned tube. A stainless steel finned tube was also tested to investigate the effect of thermal conductivity. Maximum enhancements of about 4.8 were obtained under vacuum conditions, and about 6.9 at atmospheric pressure, compared to a smooth tube having an outside diameter equal to the root diameter of the finned tubes. The optimum fin spacing was found to be about 2.0 mm for rectangularly shaped-fins with a fin-thickness of 1.0 mm, and fin height of 0.5 and 1.5 mm. Fins with a parabolic shape were shown to perform better than fins of rectangular shape, and fins were shown to degrade the performance of stainless steel tubes. The effects of vapor shear were also shown to have only a small influence on the steam-side heat transfer coefficient. A theoretical model proposed by Webb et al. was found to underpredict the experimental data. Several suggestions to modify this model are described. Keywords: External fin; Heat transfer coefficient; Enhancement, Condenser tubes (Theses).
Author : David S. Zebrowski
Publisher :
ISBN 13 :
Total Pages : 149 pages
Book Rating : 4.:/5 (227 download)
Download or read book Condensation Heat-Transfer Measurements of Refrigerants on Externally Enhanced Tubes written by David S. Zebrowski and published by . This book was released on 1987 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: An apparatus was designed and fabricated for testing of a horizontal bundle of five tubes in a vertical row with R-114 as the working fluid. Twenty-four tubes with rectangular-section fins ansd a smooth tube were tested in a single-tube apparatus using R-113 as the working fluid. An enhancement ratio (based on constant vapor-side temperature drop) of about 7.0 was obtained for the best-performing tube. Among the tubes tested, the optimum fin spacing was found to be between 0.25 mm to 0.5 mm. The optimum fin thickness for tubes with a 1.0 mm fin height was found to be 0.5 mm. The vapor-side enhancement ratio increased with increasing fin height. However, the rate of increase in the vapor-side enhancement was found to be smaller with increasing fin height compared to the rate of area increase. The indirect measurement of the local condensing heat-transfer coefficient around a finned tube showed a local value at the top of each of the two tubes tested that is approximately twice the average value for the entire tube.
Author : Sujoy Kumar Saha
Publisher : Springer
ISBN 13 : 3030207552
Total Pages : 121 pages
Book Rating : 4.0/5 (32 download)
Download or read book Two-Phase Heat Transfer Enhancement written by Sujoy Kumar Saha and published by Springer. This book was released on 2019-07-04 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Brief concerns heat transfer and pressure drop in heat transfer enhancement for boiling and condensation. The authors divide their topic into six areas: abrasive treatment and coatings, combined structured and porous surfaces, basic principles of boiling mechanism, vapor space condensation, convective vaporization, and forced condensation inside tubes. Within this framework, the book examines range of specific phenomena including abrasive treatment, open grooves, 3D cavities, etched surfaces, electroplating, pierced 3D cover sheets, attached wire and screen promoters, non-wetting coatings, oxide and ceramic coatings, porous surfaces, structured surfaces (integral roughness), combined structured and porous surfaces, composite surfaces, single-tube pool boiling tests, theoretical fundamentals like liquid superheat, effect of cavity shape and contact angle on superheat, entrapment of vapor in cavities, nucleation at a surface cavity, effect of dissolved gases, bubble departure diameter, bubble dynamics, boiling hysteresis and orientation effects, basic principles of boiling mechanism, visualization and mechanism of boiling in subsurface tunnels, and Chien and Webb parametric boiling studies.
Author :
Publisher :
ISBN 13 :
Total Pages : 352 pages
Book Rating : 4.E/5 ( download)
Download or read book Heat Transfer Lectures written by and published by . This book was released on 1949 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
