A design optimization procedure for minimizing drive system weight of high speed proprotors

Aditi Chattopadhyay, Thomas R. McCarthy

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

An optimization procedure is developed to address the problem of minimizing the drive system weight of high speed proprotor aircraft which are required to demonstrate fixed-wing-like efficiencies in high speed forward flight and maintain acceptable hover figure of merit similar to helicopters. The optimization is performed using the method of feasible directions. A hybrid approximate analysis procedure is also used to reduce the computational effort of using exact analysis for every function evaluation necessary within the optimizer. The results compared to a reference rotor show significant weight reductions. The aerodynamic performance of the optimized rotor, analyzed at “off-design” points to judge the, strength of the optimization, problem formulation and the validity of the resulting design, shows-considerable improvements. The results are compared to the reference values and significant reduction in the weight is achieved.

Original languageEnglish (US)
Pages (from-to)239-254
Number of pages16
JournalEngineering Optimization
Volume23
Issue number3
DOIs
StatePublished - Jan 1 1995

Fingerprint

High Speed
Rotor
Rotors
Method of Feasible Directions
Fixed wings
Optimization
Function evaluation
Helicopter
Evaluation Function
Helicopters
Aerodynamics
Aircraft
Figure
Optimization Problem
Necessary
Formulation
Demonstrate
Design optimization
Design
Optimization problem

Keywords

  • Aircraft
  • drive system
  • optimization
  • prop-rotors

ASJC Scopus subject areas

  • Computer Science Applications
  • Industrial and Manufacturing Engineering
  • Management Science and Operations Research
  • Applied Mathematics
  • Control and Optimization

Cite this

A design optimization procedure for minimizing drive system weight of high speed proprotors. / Chattopadhyay, Aditi; McCarthy, Thomas R.

In: Engineering Optimization, Vol. 23, No. 3, 01.01.1995, p. 239-254.

Research output: Contribution to journalArticle

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