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Published byFernando Romero Guzmán Modified over 6 years ago
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P M V Subbarao Professor Mechanical Engineering Department I I T Delhi
Multi Pass DPHX P M V Subbarao Professor Mechanical Engineering Department I I T Delhi Understanding the Limits for Economics !!! Crazy Ideas May get Backfired!?!?!
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Temperature Variations in Double Pass HX.
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1-2 Shell with Better Flow Configuration
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Modified Definitions for Library of Ideas
TEMA : An authorized body for innovation & Standardization. Shell side fluid : 1 Tube side fluid : 2
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TEMA – E : One parallel & One counter Tube Flows : Devided Shell Flow
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TEMA 1-2 G Shell & Tube
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TEMA 1-2 H Shell & Tube
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TEMA 1-2 J Shell & Tube
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dz
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Modified Definitions
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TEMA – E : One parallel & Two counter Tube Flows
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TEMA – E : Two parallel & Two counter Tube Flows
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TEMA 1-4 J Shell & Tube
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Multiple Shell and Tube HXs
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Multiple Shell and Tube HXs
General accepted rule of thumb for heat exchanger design is to design such that F > 0.8. F increases with increasing number of multiple shells in series for constant values of Pi and Ri. The F equation for multiple shells can be used by redefining R and P as: where
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