Chapter 8. Transient Performance

  1. Philip P. Walsh BSc, FRAeS, CEng1 and
  2. Paul Fletcher MA (Oxon), MRAeS, CEng2

Published Online: 11 FEB 2008

DOI: 10.1002/9780470774533.ch8

Gas Turbine Performance, Second Edition

Gas Turbine Performance, Second Edition

How to Cite

Walsh, P. P. and Fletcher, P. (2004) Transient Performance, in Gas Turbine Performance, Second Edition, Blackwell Science Ltd, Oxford, UK. doi: 10.1002/9780470774533.ch8

Author Information

  1. 1

    Head of Performance and Engine Systems, Rolls-Royce plc

  2. 2

    Manager, Prelim Design, Energy Business, Rolls-Royce plc

Publication History

  1. Published Online: 11 FEB 2008
  2. Published Print: 15 MAR 2004

ISBN Information

Print ISBN: 9780632064342

Online ISBN: 9780470774533



  • transient performance;
  • engine operation;
  • transient mechanism;
  • turbojets;
  • turbine drives


This chapter contains section titled:

  • Introduction

  • The fundamental transient mechanism

  • Transient performance manoeuvres

  • Engine accel and decel requirements

  • Transient performance phenomena

  • Operability concerns

  • Surge, rotating stall and locked stall—the events and their detection

  • Surge margin requirements and the surge margin stack up

  • Parameter groups and transient performance

  • Scaling parameter groups and transient performance

  • Control strategies during transient manoeuvres

  • Transient performance and control models