Transcript First Progress Report 10.20.11.pptx

Jennifer Tansey
10/20/11
Introduction / Background
 A common type of condenser used in steam plants is a horizontal, two-
pass condenser
 Steam enters the condenser through an inlet at the top of the
condenser and passes downward over a horizontal tube bundle
 The tube bundle is made up of individual tubes through which a
cooling medium circulates to condense the steam
 Typically the tubes in the top half of the tube bundle are the “cold,” first
pass and the tubes in the bottom half are the “warmer,” second pass
Problem Description
 The objective of this project is to analyze the tube configuration in a bundle to
determine the best arrangement of tubes for the maximum amount of heat
transferred to the circulating water
 The six configurations shown will be analyzed
 The dark blue denotes the first pass tubes and the light blue denotes the
second pass tubes
(1)
(2)
(3)
(4)
(5)
(6)
Current Status
 Researched previous work performed on two-pass condensers and flow
over tubes
 Determined the mathematical approach to solve the problem under
evaluation
 Established the initial conditions and assumptions for the problem
(i.e., condenser dimensions, number of tubes, operating conditions
including shell-side and circulating water parameters)
 Completing the heat and mass transfer algorithm to determine the
outlet temperature of the circulating water for the six cases
Current Status
 Chose an appropriate RANS software (FLOW3D) to model the
condenser
 Beginning the numerical analysis by creating the baseline conditions
and geometry in FLOW3D
Next Steps
 Finish the heat and mass transfer algorithm
 Model the six cases in FLOW3D
 Analyze and compare the analytical and numerical results
Milestones / Deadline List
Milestone
Submit Proposal
Create Equation for Heat Transfer in
Tubes
Perform Analysis for Cases
First Progress Report
Model the Cases
Second Progress Report
Analyze Results from Numerical
Modeling
Compare Analytical and Numerical
Results
Final Draft
Final Report
Completion Date
9/27/11
Status
Completed
10/1/11
Completed
10/15/11
10/21/11
11/5/11
11/11/11
In Progress
Completed
In Progress
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11/19/11
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11/26/11
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12/2/11
12/16/11
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