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ME421 STEAM GENERATOR & HEAT EXCHANGER DESIGN

Course Objectives

After taking this course, the students will

• know common heat exchanger types, their advantages and limitations,
• be aware of and will appreciate single and multiphase heat transfer and friction coefficient correlations, and they will know how to select the appropriate ones for the case in hand,
• know how to handle rating and sizing problems in heat exchanger design,
• know how to consider fouling of surfaces, how to incorporate fouling in designs, and how to handle fouling during heat exchanger operation,
• learn how to design common types of heat exchangers namely hair-pin, shell-and-tube, gasketed plate and compact heat exchangers and will understand their uses in some new engineering areas or in innovative applications.

Course Content

Classification of steam generators. Water tube and fire tube boilers. Fuels and combustion. Thermal analysis of furnaces, superheater, economizer, air-preheater. Cooling towers. Description and calculation of different types of heat exchangers, condenser types, shell-and-tube, mixing-type, compact heat exchangers. Thermal stress. Problems of heat exchangers. Water purification.

Course Learning Outcomes

The students will gain

• Ability to distinguish common heat exchanger types.
• Ability to apply knowledge of advantages and limitations of common heat exchanger types in type synthesis.
• Ability to find properties of fluids from tables and evaluate them at the right conditions.
• Ability to find appropriate heat transfer coefficient (h) correlations and use them in the design.
• Ability to find appropriate friction coefficient correlations and use them in the design.
• Ability to calculate heat transfer rate and pressure drop using h and pressure drop.
• Ability to use heat transfer correlations in overall heat transfer coefficient calculations.
• Ability to determine heat transfer area requirement for a given set of design requirements.
• Ability to rate the performance of a given heat exchanger.
• Ability to perform sizing and rating of heat exchangers for complicated designs.
• Ability to recognize importance of fouling.
• Ability to estimate fouling rates according to design conditions. Ability to incorporate assessed fouling rates into the design.
• Ability to distinguish different types of fouling and to decide how to clean them up.
• Ability to size hair-pins and arrange them as modules.
• Ability to select appropriate TEMA standard shell-and-tube design and to size this selected design according to user requirements.
• Ability to size gasketed plate heat exchangers and to select appropriate size pump by knowing the stringent pressure drop constraints.
• Ability to design compact heat exchangers especially for the cases where heat transfer area to volume ratio should be very high.
• Ability to extend knowledge to handle innovative applications.
• Ability to consider cost and environmental issues in design of heat exchangers. 

Program Outcomes Matrix