Numerical simulations in turbomachinery

Conference · Tue Jan 01 00:00:00 EST 1991

OSTI ID:5324932

Hamed, A A ^[1]

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1. Cincinnati Univ., OH (United States)

The continued increase in the complexity of modern turbomachinery designs dictates greater reliance computer simulations to analyze their flow fields and hardware. Turbomachinery flows are complicated by three dimensional effects, viscous-inviscid interactions, complex shock structures in transonic machines, and the injected coolant flows in gas turbines. It is important to be able to capture the complex flow structures associated with these phenomena, and with the three dimensional boundary layers, blade row interactions and tip clearance at both design and off-design conditions. With the advent of powerful computers, and the development of more efficient numerical codes, it is now possible in principal to model unsteady three dimensional flow fields of the type encountered in the successive turbomachinery blade passages of advanced configurations. However, as the experimental data base expands through improved measuring techniques, data processing and acquisition to include new, better and more detailed flow measurements, it is now possible to devote more effort to the physical modeling for improved turbomachinery performance prediction. In particular, the fidelity and reliability of the blade surface heat transfer and viscous and shock losses can be enhanced through such effort. As more rigorous and accurate models develop, they will enhance the design efforts through minimizing the required testing effort. The purpose of this symposium is to provide a forum for the dissemination of the recent turbomachinery flow simulations. The 17 papers in this volume cover a wide spectrum of turbomachinery applications involving incompressible, transonic, single and multiphase flows in axial and centrifugal machines. The presented methodologies also vary widely and range from design and optimization methods to three dimensional flow simulations.

• OSTI ID: 5324932
• Report Number(s): CONF-910684-; ISBN: 0-7918-0714-2
• Resource Relation: Conference: 1. American Society of Mechanical Engineers/Japan Society of Mechanical Engineers (ASME/JSME) fluids engineering conference, Portland, OR (United States), 23-26 Jun 1991
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
20 FOSSIL-FUELED POWER PLANTS
99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
GAS TURBINES
MEETINGS
THREE-DIMENSIONAL CALCULATIONS
TURBOMACHINERY
COMPUTERIZED SIMULATION
DESIGN
FLUID MECHANICS
PERFORMANCE
VISCOUS FLOW
BOUNDARY LAYERS
COMPUTER CODES
DATA ACQUISITION
DATA PROCESSING
INCOMPRESSIBLE FLOW
LEADING ABSTRACT
MULTIPHASE FLOW
VANES
ABSTRACTS
DOCUMENT TYPES
EQUIPMENT
FLUID FLOW
LAYERS
MACHINERY
MECHANICS
PROCESSING
SIMULATION
TURBINES
420400* - Engineering- Heat Transfer & Fluid Flow
200000 - Fossil-Fueled Power Plants
990200 - Mathematics & Computers