NONLINEAR DYNAMIC SIMULATION OF SINGLE-SPOOL AND MULTISPOOL CORE ENGINES .2. SIMULATION, CODE VALIDATION
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In order to ensure the capability, accuracy, robustness, and reliability of the computational method discussed in Part I of this article, comprehensive critical performance assessment and validation tests were performedand are presented in Part II. The dynamic behavior of a subject engine is calculated by solving a number ofsystems of partial differential equations, which describe the unsteady behavior of the individual components.As representatives, three different transient cases with zero-, single-, and multispool thrust and power-generationengines were simulated. The transient cases range from operating with a prescribed fuel schedule, to extremeload changes, to generator and turbine shutdown. 1994 American Institute of Aeronautics and Astronautics, Inc., All rights reserved.
