An Object-Oriented Approach to Gas Turbine Performance Computation PUBLIC ACCESS

[+] Author Affiliations
Peng Yip Ho

Nanyang Technological University, Singapore

Poh Seng Ng

Republic of Singapore Air Force, Singapore

Paper No. 96-GT-165, pp. V005T16A002; 7 pages
  • ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General
  • Birmingham, UK, June 10–13, 1996
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7876-7
  • Copyright © 1996 by ASME


This paper aims to introduce Object-Oriented Programming (OOP) concepts in the context of gas turbine engine performance computations. Objects are collections of data and functions that represents useful elements in an application. They are a means of extending the standard programming language to endow it with data types that are natural metaphors for both physical objects and abstract entities within the application program. Objects are valuable in designing and implementing software because they hide complexity, reducing the amount of knowledge required about any objects in order to use it. These properties also allow objects to be modified or replaced without affecting other areas of the application. Thus, this results in flexible designs and increased productivity by providing reusable software without sacrificing flexibility. The fundamental OOP concepts such as encapsulation, inheritance, and polymorphism are explained and exemplified by source codes from a turbofan engine performance computation software. The advantages of these over traditional programming paradigms are highlighted. The resulting program source code is readable, self-documenting, robust, and highly modular. Furthermore, the software for a turbofan engine is essentially a collection of objects that forms the basic framework for modelling all conceivable forms of gas turbine engines.

Copyright © 1996 by ASME
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