Categories > Technical / Mechanical Category:    Heat Exchanger Design, Operation & Performance      Program Duration : 5 Days Program Date : 11-15 March,2012 Program Location : Cairo, Egypt Program Fees : US$3200/Per Person     PROGRAM OBJECTIVES: To review design features and standards for shell-and-tube heat exchangers. To discuss techniques of failure prevention and appropriate maintenance procedures. To provide information that will enable decisions to be made on the repair and refurbishment of aging equipment. To delineate the factors that lead to overall economically advantageous decisions. PROGRAM OUTLINES:   1.1 Heat Transfer Fundamentals and Heat Transfer Coefficients Mechanisms, types of fluid flow, heat capacity rate ratio, conduction, forced convection, resistances and fouling, critical and economic insulation thickness, heat transfer coefficients inside tubes, cross and baffled flow, annuli, and coils 1.2 Types of Heat Exchangers and Their Application Gasketed plate, welded plate, spiral tube, spiral plate, printed circuit exchangers, construction, applications, range and limitations, sizes, heat transfer coefficients 1.3 Geometry of Shell and Tube Heat Exchangers (STHE) and Double Pipes TEMA nomenclature, rear end head types, shell types, font end types, double pipe units, thermal design features, relative costs 1.4 Temperature Difference in STHE Countercurrent, cocurrent, TEMA flow arrangements, comparisons, worked example 1.5 Fluid Flow and Pressure Drop Single phase, two-phase, friction losses, kinetic losses, tubeside, shellside, nozzles, coils, pipes, worked example 1.6 Workshop 1 Worked examples - heat transfer and fluid flow Adjournment 2.1 Thermal Design and Rating of STHE Strategy, design algorithm, wall temperature, overall heat transfer coefficients, TEMA flow arrangements 2.2 Fouling in Heat Exchangers Types and mechanisms, economic impact Fouling mitigation by design Fouling mitigation by operation and  maintenance 2.3 Condensers and Reboilers Types and Application General Design Considerations 2.4 Sizing and Specifying STHE General guidelines and best industry practices, operability and maintainability considerations 2.5 Workshop 2 Worked examples – thermal design and rating of heat exchangers Adjournment 3.1 Mechanical Design Features of STHE Design parameters, design codes, standards and recommended practices (ASME, TEMA, API, HI, AIR, others), selection of materials, component design, nozzle loadings, supports, lifting features, high pressure, low temperature, special designs 3.2 Fabrication Shells, channels and heads, tubesheets, bundles, tubes-tubesheet attachment, bolt tightening, hydraulic testing, non-destructive testing 3.3 Performance Enhancement Extended Surface Tubes Heat transfer augmentation techniques, fin characteristics and efficiency, heat transfer and pressure loss, longitudinal, low and high finned tubes Intube Enhancement  Tube inserts, sintered coatings Tube Bundle Replacement Alternative enhanced tube bundle designs, e.g.  rodbaffle, helibaffle, twisted tube, etc. 3.4 Operation and Troubleshooting Performance monitoring and cleaning strategies and methods Flow-induced vibration, mechanisms, vibration prediction, damage numbers, design procedure to avoid vibration including baffle selection, rod baffle exchangers, twisted tube exchangers Cost-effective maintenance and repair of heat exchangers. WHO SHOULD ATTEND? Project engineers,  mechanical engineers involved in design, troubleshooting and maintenance, technicians