Very few heat exchangers are purely co current or counter current, DESIGN FUNDAMENTALS OF SHELL-AND-TUBE HEAT EXCHANGERS 4.1 INTRODUCTION The thermal design of heat exchangers is directed to calculate an adequate surface area to handle the thermal duty for the given specifications whereas the hydraulic analysis determines the pressure drop of the fluids flowing in the system, and consequently the pumping power or fan work input necessary to maintain … , Follow us on Twitter  Here attached is a Spreadsheet to Design a Shell & Tube Heat Exchanger with minimum number of inputs and most of the work being done by the spreadsheet itself. Shell and Tube Heat Exchangers Basic Calculations Instructor: Jurandir Primo, PE 2012 PDH Online | PDH Center 5272 Meadow Estates Drive Fairfax, VA 22030-6658 Phone & Fax: 703-988-0088 www.PDHonline.org www.PDHcenter.com . The LMTD allows to represent the driving force of heat exchange ΔT2 = temperature difference on the other side of the <> Example 5.2 Miniature Shell-and-Tube Heat Exchanger A miniature shell-and-tube heat exchanger is designed to cool engine oil in an engine with the engine coolant (50% ethylene glycol). 0000007583 00000 n www.PDHcenter.com PDH Course M371 www.PDHonline.org ©2010 Jurandir Primo Page 2 of 32 1.0 - Introduction: In intercoolers, boilers, pre-heaters and …