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Saturday, July 18, 2020 | History

1 edition of Performance ranking of finned tubular heat exchanger surfaces found in the catalog.

Performance ranking of finned tubular heat exchanger surfaces

by James Ernest Baskerville

  • 17 Want to read
  • 34 Currently reading

Published by Massachusetts Institute of Technology .
Written in

    Subjects:
  • Mechanical engineering

  • ID Numbers
    Open LibraryOL25411775M

    The individual heat transfer coefficients depend on the nature of the heat transfer process, the stream properties and the heat transfer surface arrangements. The heat exchanger layout depends on the heat transfer . Heat transfer rate and cost significantly affect designs of shell and tube heat exchangers. From the viewpoint of engineering, an optimum design is obtained via maximum heat transfer rate and minimum cost. Here, an analysis of a radial, finned, shell and tube heat exchanger is carried out, considering nine design parameters: tube arrangement, tube diameter, tube pitch, tube .

    Innovative fin and tube heat exchanger designs always offer scope to explore possible opportunities for overall performance improvement. With this view in mind, present paper mainly focusses on predicting the performance of a fin and tube heat exchanger . mixing condition influences heat exchanger performance. Figure -flow heat exchanger. (a) Finned with both fluids unmixed. (b)) Un-finned with one fluid mixed and the other unmixed. Another common configuration is the shell-and-tube heat exchanger .

    Heat exchangers are engineered hardware for the efficient heat transfer from one medium to another. The media may be separated by a solid wall to prevent mixing or they may be in direct contact. They . assumes a constant heat transfer coefficient over the entire fin surface. Pressure drop data are also presented, and thus a complete measure of heat transfer and pumping power performance for each finned tube arrangement is provided. Four different annularly finned tube .


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Performance ranking of finned tubular heat exchanger surfaces by James Ernest Baskerville Download PDF EPUB FB2

Performancerankingof finnedtubularheatexchangersurfaces by jamesernestbaskerville b.s.,unitedstatesnavalacademy annapolis,maryland ( An extract from Performance Ranking of Finned Tubular Heat Exchanger Surfaces, U.S.

Naval Academy (MS ME thesis, MIT), May ( pgs.) ABSTRACT The traditional method of data presentation for heat exchanger surfaces does not permit comparison of individual surface. The Kays-London [4] way of presenting heat exchanger performance is modified to use the data in the simplified analysis of La Haye, et al.

[5] which was extended to permit the ready comparison of the performance of the various plate-fin by: The average thermal performance factor is, and for SLF, SLF, SLF, and SLF respectively.

This means, that for the same friction power and heat transfer surface area, the heat transfer rate (and therefore the thermal effectiveness) of the SLF tube design is higher than that of the LF tube Author: Anas El Maakoul, Kawtar Feddi, Said Saadeddine, Abdellatif Ben Abdellah, Mustapha El Metoui.

This bench is able to determine the overall heat performance of real finned-tube heat exchanger with air inlet section of × mm 2, this evaluation is based on a measurement of the flow, with flow Cited by: 1. Summary of Heat Transfer 67 4 Finned Tube Bundles with Continuous Fins 69 Finned Tube Bundles with Continuous Smooth Fins and Circular Tubes 70 Finned Tube Bundles with Continuous Wavy Fins and Circular Tubes 72 Finned Tube.

A review of the literature [1][2][3][4][5][6][7][8] [9] [10][11][12][13][14][15] shows that there is no study on the Spiral finned tube heat exchanger that specifically addresses the convective. Heat exchanger The heat exchanger to be investigated is a finned-tube one-pass crossflow unit.

It transfers heat from a hot exhaust gas stream, flowing over the finned-tube surfaces, to a thermal. configuration yield enhanced heat transfer.

Yet one finned-tube heat exchanger study claims to maximize the heat transfer rate while simultaneously minimizing pumping power. Webb [14] as well as Stephan and Mitrović [16] developed criteria for the evaluation of the performance of a heat exchanger in order to quantify the heat.

CompactPlate-FinExchangers HeatTransferArea Components ofPressureLoss FactorsInfluencingTube-Fin HeatExchangerPerformance TubeLayout Equilateral Layoutversus EquivelocityLayout NumberofTubeRows TubePitch Tube. This surface has one of the highest heat transfer performance relative to the.

friction factor. Extensive analytical, numerical and experimental investigations have been conducted over the last 50 years. The most comprehensive correlations for j and f factors for offset strip-fin. Start date: | HEAT EXCHANGER WITH FINNED TUBES | Objective of the project is to investigate the influence of different fins geometry on heat transfer and pressure drop.

The aim is to. Techniques of Heat Transfer Enhan cement and their Application Figure Air-side geometries used in finned tube heat exchangers: (a) spine-fin, (b) slit type OSF, (c) wavy fins, (d) convex l ouver fin, (e) Louver fins brazed to extruded aluminum tube, (f) interrupted skive fin integral to extruded aluminum tube.

OF ENHANCED HEAT TRANSFER SURFACES IN HEAT EXCHANGER DESIGN R. WEBB Department of Mechanical Engineering, Pennsylvania State University, University Park, PA. 2,• different heat exchanger designs are included in the Aurubis Technical Center’s database.

50 • years is how long the Aurubis Technical Center has been in operation. 31 • is the number of times that the amount of radiator strip annually supplied by Aurubis could be wound around the world. Aurubis Heat Exchanger. 10–6 HEAT TRANSFER FROM FINNED SURFACES The rate of heat transfer from a surface at a temperature T s to the surround-ing medium at T is given by Newton’s law of cooling as conv hA s (T s T) where A s is the heat transfer surface area and h is the convection heat trans-fer.

An experimental investigation on the airside performance of fin-and-tube heat exchangers having corrugated louver fins - Part I; dry surface Journal of Thermal Science and Technology, Vol. 15, No. 1 Tube-fin heat exchanger. fin surfaces in finned-tube heat exchangers Tony W.H. Sheu and S.F Tsai Department of Naval Architecture and Ocean Engineering, National Taiwan University, Taipei, Taiwan, R.O.C.

Keywords Fins, Heat exchanger, Surfaces Abstract A three-dimensional numerical study was conducted to assess the heat transfer. PLATE HEAT EXCHANGER SURFACES e entry to heat exchanger core f 1.

fouling 2. fin 3. fluid ff free-flow fr frontal h hot side of heat exchanger i 1. inlet 2. inside L longitudinal PHE Plate Heat Exchanger TEMA Tubular Exchanger. Handbook for Transversely Finned Tubes Heat Exchangers Design contains detailed experimental data, correlations, and design methods for designing and improving the performance of finned tube heat covers the three main types, circular finned, square finned, and helical finned tube Reviews: 1.

Plate finned tube heat exchangers of plain fin form are normally used for the purposes of heating, air conditioning, ventilating, and refrigeration, as a result of their simplicity. This type of fin is normally used to increase heat transfer performance in the heat exchanger.performance of finned tube heat exchanger.

The array is composed of two delta winglet pairs with two layout modes of continuous and discontinuous winglets. For the with the traditional fin-tube surface .Fin material is continuously spiral wound tightly onto the element surface to increase the convective surface area for air and non-corrosive gas heating.

Fin spacing and size have been tested and selected to optimize performance. Steel finned units are then furnace brazed, bonding the fins .