Date

2013

Document Type

Thesis

Degree

Master of Science

Department

Mechanical Engineering

First Adviser

Levy, Edward K.

Abstract

Recovery of heat and moisture from the flue gas is the major criteria in designing the condensing heat exchanger. Apart from the condensation of moisture in flue gas, the condensation of sulfuric acid present in flue gas will also take place. A computer simulation code developed by previous Energy Research Center (ERC) researchers was modified to predict the condensation of sulfuric acid on tube walls of heat exchanger.A computer simulation code was developed to predict the heat and mass transfer rates as well as required length of heat exchanger which is used as an evaporator in a power plant with Organic Rankine Cycle (ORC) unit. Simulations were performed to estimate the heat exchanger surface area, pressure drop and overall cost for installation and maintenance of heat exchangers in three different ORC units.

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