CONTRIBUTIONS TO OPTIMAL DESIGN OF CLOSED-CYCLE GAS TURBINE

An investigation into some aspects of the optimal design for closed-cycle gas turbine, in applications where space constraint is of predominant concern, is presented. This includes an examination of the criteria pertaining to compact design of turbo-machinery, an evaluation of the minimum volume for the turbo-machinery, and a procedure for identifying volume for shell-and-tube heat exchangers. The constant output criterion for pressure drops is elaborated and its implication for optimal design underscored. In addition, the idea of gas property similiarity, the concept of equivalent pressure drop, and the identification of the optimal heater cycle are presented, leading to the optimal diameter ratio (D sub h/D) of the individual heat exchangers. A method for the optimal distribution of the total pressure drops of the cycles among the heat exchangers is presented. Typical computational results using the above design methodology are presented and their implications for design discussed. The work puts strong emphasis on the evaluation of design criteria and suggests directions for subsequent extensions and improvements.

• Corporate Authors:

  Massachusetts Institute of Technology

  Department of Ocean Engineering, 77 Massachusetts Avenue
  Cambridge, MA  United States  02139
• Authors:
  • Lee, W H
• Publication Date: 1978-1

Media Info

• Pagination: n.p.

Subject/Index Terms

• TRT Terms: Design; Gas turbines; Heat exchangers; Pressure; Turbines
• Uncontrolled Terms: Design criteria; Pressure distribution
• Old TRIS Terms: Turbomachinery
• Subject Areas: Design; Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00177040
• Record Type: Publication
• Source Agency: Massachusetts Institute of Technology
• Report/Paper Numbers: Phd Thesis
• Files: TRIS
• Created Date: Jun 14 1978 12:00AM