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16 May 07

arXiv.org e-Print archive

ScienceDirect - Applied Thermal Engineering : A new chart method for evaluating single-phase shell side heat transfer coefficient in a single segmental shell and tube heat exchanger

  • A new chart method for evaluating single-phase shell side heat transfer coefficient in a single segmental shell and tube heat exchanger





    Zahid H. AyubCorresponding Author Contact Information, E-mail The Corresponding Author, E-mail The Corresponding Author




    Isotherm, Inc., 7401 Commercial Blvd. East, Arlington, TX 76001, United States





    Received 26 February 2004;  accepted 14 December 2004.  Available online 23 February 2005.







    Abstract

    This paper presents a simple but accurate method to calculate shell side heat transfer coefficient in a single segmental shell and tube heat exchanger. The method is based on a chart which is a product of actual data taken over a span of several years. The calculation procedure is presented with a case study. The results are compared with known methods and commercial/proprietary computer codes prevalent in the industry. The results from this method compare well with HTRI computer program. This method can prove to be a helpful tool for design engineers in the field.


    Keywords: Shell and tube exchanger; Single phase; Heat transfer coefficient

07 May 07

ScienceDirect - Applied Thermal Engineering : A computer program for designing of shell-and-tube heat exchangers

  • A computer program for designing of shell-and-tube heat exchangers





    Yusuf Ali KaraCorresponding Author Contact Information, E-mail The Corresponding Author and Özbilen Güraras




    Department of Mechanical Engineering, Faculty of Engineering, University of Atatürk, 25240, Erzurum, Turkey





    Received 24 August 2003;  accepted 23 December 2003.  Available online 4 February 2004.







    Abstract

    In a computer-based design, many thousands of alternative exchanger configurations may be examined. Computer codes for design are organized to vary systematically the exchanger parameters such as, shell diameter, baffle spacing, number of tube-side pass to identify configurations that satisfy the specified heat transfer and pressure drops. A computer-based design model was made for preliminary design of shell-and-tube heat exchangers with single-phase fluid flow both on shell and tube side. The program covers segmentally baffled U-tube, and fixed tube sheet heat exchangers one-pass and two-pass for tube-side flow. The program determines the overall dimensions of the shell, the tube bundle, and optimum heat transfer surface area required to meet the specified heat transfer duty by calculating minimum or allowable shell-side pressure drop.

Journal: Computer Standards & Interfaces

  • Description






    The quality of software, well-defined interfaces (hardware and software), the process of digitalisation, and
    accepted standards in these fields are essential for building and exploiting complex computing, communication, multimedia and
    measuring systems. Standards can simplify the design and construction of individual hardware and software components and help to
    ensure satisfactory interworking.




    COMPUTER STANDARDS & INTERFACES is an international journal dealing specifically
    with these topics.





    The journal
    • provides information about activities and progress on the definition of
    computer standards, software quality, interfaces and methods, at national, European and international levels
    • publishes
    critical comments on standards and standards activities
    • disseminates user's experiences and case studies in the
    application and exploitation of established or emerging standards, interfacess and methods
    • offers a forum for discussion
    on actual projects, standards, interfaces and methods by recognised experts
    • stimulates relevant research by providing a
    specialised refereed medium.
06 Jun 06

Delphi and Pascal Programming Tutorials Table of Contents

  • This site offers write-ups of how to do specific
    things in Delphi or Pascal. Feel free to use them in programming
    courses, but a credit of the source would be appreciated. Speaking of
    which... the following was a great help to my own programming:
    'Borland Delphi How-To', from the Waite Group, by Frerking, Wallace
    and Niddery, ISBN 1-57169-019-0. Its approach suited my needs, and
    helped inspire the form of these tutorials: Most are a self-contained
    explanations of how to accomplish a specific task, or use a particular
    component of the language.
02 Jun 06

Journal: Computers & Fluids

  • Description





    Computers & Fluids is multidisciplinary. The term 'fluid' is interpreted in the broadest
    sense. Hydro- and aerodynamics, high-speed and physical gas dynamics, turbulence and flow stability, multiphase flow, rheology,
    tribology and fluid-structure interaction are all of interest, provided that computer technique plays a significant role in the
    associated studies or design methodology. Applications will be found in most branches of engineering and science: mechanical, civil,
    chemical, aeronautical, medical, geophysical, nuclear and oceanographic. These will involve problems of air, sea and land vehicle
    motion and flow physics, energy conversion and power, chemical reactors and transport processes, ocean and atmospheric effects and
    pollution, biomedicine, noise and acoustics, and magnetohydrodynamics amongst others. The development of numerical methods relevant
    to fluid flow computations, computational analysis of flow physics and fluid interactions and novel applications to flow systems and
    to design are pertinent to Computers & Fluids.

Journal: International Journal of Heat Exchangers (IJHEX)

  • AIMS & SCOPE



    IJHEX logo


    The International Journal of Heat Exchangers (IJHEX) disseminates original research relating to all aspects and types of heat exchangers.  The journal provides an important forum for those engaged in basic and applied heat exchanger or related research at universities and industry throughout the world. 
    The journal is devoted to fundamental investigations of transport of momentum and heat and other thermal and hydraulic phenomena, including theoretical/numerical modeling and experimental techniques.  In addition, papers on new developments, applied topics, mechanical problems, and other general technical and scientific issues related to materialss, manufacturing, and operation of heat exchangers are also considered.  Review articles on progress in particular areas of importance to heat exchanger specialists are occasionally invited.  All papers are reviewed.

Journal: Journal of The Franklin Institute

  • Description







    The Journal of The Franklin Institute has an established reputation for publishing high-quality
    papers in the field of engineering and applied mathematics. Its current focus is on information and communication systems, signal
    processing, wavelets, sensor fusion, computer and communication networks, neural networks, control theory, nonlinear dynamics,
    fractals and chaos theory.


    The editors and the editorial board encourage authors to put forth evolving new topics for publication
    provided they fall within the current scope of the journal as noted above. Special focus issues with a strong theoretical foundation
    in newly evolving topics are planned for the future.


    All submitted papers are peer-reviewed. The journal will publish original
    research papers and research review papers of substance. Papers are judged upon possible lasting value, which has been and continues
    to be the strength of Journal of The Franklin Insttitute.

Journal: Software and Systems Modeling

  • Description

    Computational Mathematics and Modeling focuses on important Russian contributions to computational mathematics that are useful to the applied scientist or engineer. This quarterly publication presents timely research articles by scientists from Moscow State University, an institution recognized worldwide for influential contributions to this subject. Numerical analysis, control theory, and the interplay of modeling and computational mathematics are among the featured topics.

Journal: International Communications in Heat and Mass Transfer

  • Description



    International Communications in Heat and Mass Transfer serves as a world forum for the rapid dissemination of new ideas, new
    measurement techniques, preliminary findings of ongoing investigations, discussions, and criticisms in the field of heat and mass
    transfer. Two types of manuscript will be considered for publication: communications (short reports of new work or discussions of
    work which has already been published) and summaries (abstracts of reports, theses or manuscripts which are too long for publication
    in full). Together with its companion publication, International Journal of Heat and Mass Transfer, with which it shares the
    same Board of Editors, this journal is read by research workers and engineers throughout the world.

Journal: Chemical Engineering and Processing

  • Description








    Chemical Engineering and Processing is a journal intended for practising engineers in industry and
    academia. The aim of the published articles is to demonstrate how novel discoveries, developments and theories may be used for
    improved analysis and design of chemical engineering equipment and processes. The Journal offers space for articles on any branch of
    chemical engineering and is particularly concerned with mechanical, thermal and chemical unit operations, but also includes analyses
    relating to environmental chemical engineering and sustainable industrial development. From time to time, review papers will be
    published for individual fields of activity to illustrate and summarise scientific and/or technological progress. Advanced knowledge
    on engineering fundamentals and processes is presented in such a form that it can be readily implemented into practical application.
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