Condensation of Hfc-134a and Hfc-404a in a Smooth and Micro-Fin Tube

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Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783844308426
Total Pages : 208 pages
Book Rating : 4.3/5 (84 download)

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Book Synopsis Condensation of Hfc-134a and Hfc-404a in a Smooth and Micro-Fin Tube by : Pradeep Patil

Download or read book Condensation of Hfc-134a and Hfc-404a in a Smooth and Micro-Fin Tube written by Pradeep Patil and published by LAP Lambert Academic Publishing. This book was released on 2011-03 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this work was to study the condensation heat transfer and pressure drop characteristics ofHFC-134a in a micro-fined tube with an 18 degree helix angle and to compare them to those in a smooth tube for various operating conditions.The experimental test facility is designed, developed and is used to determine the condensation HTC and pressure drop in smooth and micro-fin tubes for various HFC refrigerants namely HFC-134a, R-404A, R-407C, R-507A. The experimentation covers wide range of operating parameters such as mass flux and condensing temperatures. The instrumentations used for measurements are calibrated from recognized calibration centres. The hermetically sealed compressor is used for circulating refrigerant; effect of oil present in the refrigerant during condensation is also taken into account. The condensation of HFC-134a and R-404A in smooth and micro-fin tubes are measured and obtained the values of condensation HTCs and pressure drops for different mass flux and condensing temperatures

Condensation of HFC-134a in an 18 Degree Helix Angle Micro-finned Tube

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Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (363 download)

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Book Synopsis Condensation of HFC-134a in an 18 Degree Helix Angle Micro-finned Tube by : Marcos Ponchner

Download or read book Condensation of HFC-134a in an 18 Degree Helix Angle Micro-finned Tube written by Marcos Ponchner and published by . This book was released on 1995 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Heat Transfer Enhancement in Externally Finned Tubes and Internally Finned Tubes and Annuli

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Author :
Publisher : Springer
ISBN 13 : 303020748X
Total Pages : 175 pages
Book Rating : 4.0/5 (32 download)

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Book Synopsis Heat Transfer Enhancement in Externally Finned Tubes and Internally Finned Tubes and Annuli by : Sujoy Kumar Saha

Download or read book Heat Transfer Enhancement in Externally Finned Tubes and Internally Finned Tubes and Annuli written by Sujoy Kumar Saha and published by Springer. This book was released on 2019-07-26 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Brief deals with externally finned tubes, their geometric parameters, Reynolds number, dimensionless variables, friction factor, plain plate fins on round tubes, the effect of fin spacing, correlations, pain individually finned tubes, circular fins with staggered tubes, low integral fin tubes, wavy fin, enhanced plate fin geometries with round tubes, Offset Strip Fins, convex louver fins, louvered fin, perforated fin, mesh fin, vortex generator, enhanced circular fin geometries, spine or segmented fin, wire loop fin, flat extruded tubes with internal membranes, plate and fin automotive radiators, performance comparison, numerical simulation, advanced fin geometries, hydrophilic coatings, internally finned tubes and annuli, spirally fluted and indented tube, advanced internal fin geometries, and finned annuli. The book is ideal for professionals and researchers dealing with thermal management in devices.

Scientific and Technological Advances in Materials for Energy Storage and Conversions

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Publisher : Springer Nature
ISBN 13 : 9819724813
Total Pages : 814 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis Scientific and Technological Advances in Materials for Energy Storage and Conversions by : Basant Singh Sikarwar

Download or read book Scientific and Technological Advances in Materials for Energy Storage and Conversions written by Basant Singh Sikarwar and published by Springer Nature. This book was released on with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Heat Transfer and Pressure Drop During Condensation and Evaporation of R-134a/oil Mixtures in Smooth and Micro-fin Tubes

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Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Heat Transfer and Pressure Drop During Condensation and Evaporation of R-134a/oil Mixtures in Smooth and Micro-fin Tubes by : M. B. Pate

Download or read book Heat Transfer and Pressure Drop During Condensation and Evaporation of R-134a/oil Mixtures in Smooth and Micro-fin Tubes written by M. B. Pate and published by . This book was released on 1990 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Localized Energy Transition in the 4th Industrial Revolution

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Publisher : CRC Press
ISBN 13 : 104014943X
Total Pages : 321 pages
Book Rating : 4.0/5 (41 download)

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Book Synopsis Localized Energy Transition in the 4th Industrial Revolution by : Opeyeolu Timothy Laseinde

Download or read book Localized Energy Transition in the 4th Industrial Revolution written by Opeyeolu Timothy Laseinde and published by CRC Press. This book was released on 2024-10-24 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a holistic view on localized energy transition while addressing current challenges associated with the production of biofuels, introducing new materials to produce solar photovoltaic (PV) panels, and digital systems for sustainable energy monitoring on a small scale, carbon capture, and sequestration. Also, each chapter of the book addresses specific aspects of the renewable and sustainable energy space while focusing more on energy improvement and storage technologies that are practical focused. Features: Offers useful information on new forms of renewable energy generation with reference to Industry 4.0. Illustrates practical approaches to energy transition. Provides guidance on renewable energy sources and energy storage systems. Discusses the application of the Fourth Industrial Revolution (4IR)-related approaches to emerging energy storage technologies. Includes studies that reveal approaches to realizing productivity, profitability, and increased return on investment (ROI). This book is aimed at graduate students and researchers in mechanical, chemical, and mechatronics engineering and renewable energy systems.

Numerical Modelling and Experimental Testing of Heat Exchangers

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Publisher : Springer
ISBN 13 : 3319911287
Total Pages : 598 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Numerical Modelling and Experimental Testing of Heat Exchangers by : Dawid Taler

Download or read book Numerical Modelling and Experimental Testing of Heat Exchangers written by Dawid Taler and published by Springer. This book was released on 2018-05-17 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new methods of numerical modelling of tube heat exchangers, which can be used to perform design and operation calculations of exchangers characterized by a complex flow system. It also proposes new heat transfer correlations for laminar, transition and turbulent flows. A large part of the book is devoted to experimental testing of heat exchangers, and methods for assessing the indirect measurement uncertainty are presented. Further, it describes a new method for parallel determination of the Nusselt number correlations on both sides of the tube walls based on the nonlinear least squares method and presents the application of computational fluid dynamic (CFD) modeling to determine the air-side Nusselt number correlations. Lastly, it develops a control system based on the mathematical model of the car radiator and compares this with the digital proportional-integral-derivative (PID) controller. The book is intended for students, academics and researchers, as well as for designers and manufacturers of heat exchangers.

Horizontal Convective Condensation of Alternative Refrigerants Within a Micro-Fin Tube (Classic Reprint)

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Author :
Publisher : Forgotten Books
ISBN 13 : 9780266908968
Total Pages : 80 pages
Book Rating : 4.9/5 (89 download)

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Book Synopsis Horizontal Convective Condensation of Alternative Refrigerants Within a Micro-Fin Tube (Classic Reprint) by : Mark a Kedzierski

Download or read book Horizontal Convective Condensation of Alternative Refrigerants Within a Micro-Fin Tube (Classic Reprint) written by Mark a Kedzierski and published by Forgotten Books. This book was released on 2017-10-28 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Horizontal Convective Condensation of Alternative Refrigerants Within a Micro-Fin Tube As shown in Fig. 3, six refrigerant pressure taps along the test section allowed the measurement of the upstream absolute pressure and five pressure drops along the test section. Two sets of two water pressure taps were used to measure the water pressure drop along each tube. Also, a sheathed thermocouple measured the refrigerant temperature at each end of the two refrigerant tubes, with the junction of each centered radially. Only the thermocouple at the inlet of the first tube was used in the calculations. Theentire test section was wrapped with 5 cm of foam insulation to minimize heat transfer between the water and the ambient. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Empirical Study of New Refrigerant Flow Condensation Inside Horizontal Smooth and Micro-fin Tubes

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Publisher :
ISBN 13 :
Total Pages : 502 pages
Book Rating : 4.:/5 (391 download)

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Book Synopsis Empirical Study of New Refrigerant Flow Condensation Inside Horizontal Smooth and Micro-fin Tubes by : Liangyou Tang

Download or read book Empirical Study of New Refrigerant Flow Condensation Inside Horizontal Smooth and Micro-fin Tubes written by Liangyou Tang and published by . This book was released on 1997 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:

In-tube Evaporation and Condensation of HFC-134a and CFC-12 with Various Lubricant Mixtures

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Publisher :
ISBN 13 :
Total Pages : 348 pages
Book Rating : 4.:/5 (118 download)

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Book Synopsis In-tube Evaporation and Condensation of HFC-134a and CFC-12 with Various Lubricant Mixtures by : Steven J. Eckels

Download or read book In-tube Evaporation and Condensation of HFC-134a and CFC-12 with Various Lubricant Mixtures written by Steven J. Eckels and published by . This book was released on 2002 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Review on Condensation Process of Refrigerants in Horizontal Microfin Tubes

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)

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Book Synopsis A Review on Condensation Process of Refrigerants in Horizontal Microfin Tubes by : Thanh Nhan Phan

Download or read book A Review on Condensation Process of Refrigerants in Horizontal Microfin Tubes written by Thanh Nhan Phan and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat transfer performance of refrigerant on the condensation process is very important in the designing of condensation equipment, especially in air conditioning and refrigeration systems. The outstanding advantages of microfin tubes are reducing the weight and size of condensers and also reducing the amount of refrigerant on the system. Reviewing the general concept of condensation and detailing the formation of flow pattern map that is also the procedure to determine heat transfer coefficient and pressure drop during condensation process of refrigerant inside the horizontal microfin tubes would be considered. Also, a typical example will be presented to illustrate a detailed procedure to calculate the value of heat transfer coefficient and pressure drop during the condensation process in horizontal microfin tubes. The data results show that microfin tube J60 with 60 number of fins inside 8.96 mm inner diameter, 0.2 mm height of fin, 40o of apex angle and 18o of helix angle, the condensation procedure of R1234ze at 35°C, heat flux of 8.62 kW/m2, and mass flux of 222 kg/m2s that could be estimated with heat transfer coefficient would be reduced from 8160.4 [W/m2 K] to 1413.8 [W/m2 K] follow with quality x changes from 0.99 to 0.01, and the maximum pressure drop of this process is 3173.8 [Pa/m].

An Investigation of Condensation Heat Transfer Performance of HFC-134a on Horizontal Enhanced Tubes

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Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (435 download)

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Book Synopsis An Investigation of Condensation Heat Transfer Performance of HFC-134a on Horizontal Enhanced Tubes by : Tao Xie

Download or read book An Investigation of Condensation Heat Transfer Performance of HFC-134a on Horizontal Enhanced Tubes written by Tao Xie and published by . This book was released on 1999 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Generalized Pressure Drop Correlation for Evaporation and Condensation of Alternative Refrigerants in Smooth and Micro-Fin Tubes (Classic Reprint)

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Publisher : Forgotten Books
ISBN 13 : 9780364783085
Total Pages : 64 pages
Book Rating : 4.7/5 (83 download)

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Book Synopsis A Generalized Pressure Drop Correlation for Evaporation and Condensation of Alternative Refrigerants in Smooth and Micro-Fin Tubes (Classic Reprint) by : Jun-Young Choi

Download or read book A Generalized Pressure Drop Correlation for Evaporation and Condensation of Alternative Refrigerants in Smooth and Micro-Fin Tubes (Classic Reprint) written by Jun-Young Choi and published by Forgotten Books. This book was released on 2018-03-17 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from A Generalized Pressure Drop Correlation for Evaporation and Condensation of Alternative Refrigerants in Smooth and Micro-Fin Tubes Prediction of nist pressure drop measurements with Pierre (1964) correlation. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Generalized Pressure Drop Correlation for Evaporation and Condensation of Alternative Refrigerants in Smooth and Micro-Fin Tube

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (847 download)

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Book Synopsis Generalized Pressure Drop Correlation for Evaporation and Condensation of Alternative Refrigerants in Smooth and Micro-Fin Tube by : J. Y. Choi

Download or read book Generalized Pressure Drop Correlation for Evaporation and Condensation of Alternative Refrigerants in Smooth and Micro-Fin Tube written by J. Y. Choi and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Condensation and Single-phase Heat Transfer Coefficient and Flow Regime Visualization in Microchannel Tubes for HFC-134A

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Publisher :
ISBN 13 : 9780599429932
Total Pages : 390 pages
Book Rating : 4.4/5 (299 download)

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Book Synopsis Condensation and Single-phase Heat Transfer Coefficient and Flow Regime Visualization in Microchannel Tubes for HFC-134A by : Wei-Wen William Wang

Download or read book Condensation and Single-phase Heat Transfer Coefficient and Flow Regime Visualization in Microchannel Tubes for HFC-134A written by Wei-Wen William Wang and published by . This book was released on 1999 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Unified Prediction Method for Smooth and Micro-fin Tube Condensation Performance

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Publisher :
ISBN 13 :
Total Pages : 768 pages
Book Rating : 4.:/5 (529 download)

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Book Synopsis A Unified Prediction Method for Smooth and Micro-fin Tube Condensation Performance by : Leon Liebenberg

Download or read book A Unified Prediction Method for Smooth and Micro-fin Tube Condensation Performance written by Leon Liebenberg and published by . This book was released on 2002 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Heat Transfer Performance During In-tube Condensation in Horizontal Smooth, Micro-fin and Herringbone Tubes

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Publisher :
ISBN 13 :
Total Pages : 250 pages
Book Rating : 4.:/5 (565 download)

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Book Synopsis Heat Transfer Performance During In-tube Condensation in Horizontal Smooth, Micro-fin and Herringbone Tubes by : Adriaan Lambrechts

Download or read book Heat Transfer Performance During In-tube Condensation in Horizontal Smooth, Micro-fin and Herringbone Tubes written by Adriaan Lambrechts and published by . This book was released on 2003 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: