NONLINEAR DYNAMIC SIMULATION OF SINGLE-SPOOL AND MULTISPOOL CORE ENGINES .1. COMPUTATIONAL METHOD
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A new computational method for accurate simulation of the nonlinear, dynamic behavior of single- and multispool core engines, turbofan engines, and power-generation gas turbine engines is presented in Part I of this article. In order to perform the simulation, a modularly structured computer code has been developed that includes individual mathematical modules representing various engine components. The generic structure of the code enables the simulation of arbitrary engine configurations ranging from single-spool thrust generation to multispool thrust/power generation engines under adverse dynamic operating conditions. For precise simulation of turbine and compressor components, row-by-row calculation procedures were implemented that account for the specific turbine and compressor cascade and blade geometry and characteristics. 1994 American Institute of Aeronautics and Astronautics, Inc., All rights reserved.
