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Processing and Validating CFD Data for Estimating Inlet Dynamic Total-Pressure Distortion
- Aerospace Standard
- AIR6345
- Issued
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
The processes addressed in this Aerospace Information Report (AIR) apply to the acquisition and validation of dynamic total-pressure and distortion data from CFD models simulating turbulent flows in inlets. The results of these processes can be used in the formation of an inlet-flow-distortion methodology that addresses turbine-engine operability assessments.
Rationale
Progress is being made in Computational Fluid Dynamic (CFD) methods for correlating with experimental results for internal aerodynamics such as inlet steady-state total-pressure recovery and distortion. Development efforts are focusing on time-accurate CFD technology to estimate inlet peak-dynamic distortion. Validated solutions from CFD tools must be demonstrated to warrant use in official turbine-engine stability audits and/or for selecting worst-case distortion patterns for engine-qualification test demonstrations. This document presents procedures for processing time-dependent total-pressure records from test and CFD, along with approaches for validating time-dependent CFD results used to estimate inlet dynamic-flow distortion.
Recommended Content
Topic
Data Sets - Support Documents
| Title | Description | Download |
|---|---|---|
| Unnamed Dataset 1 | ||
| Table 1 | Steps leading up to acquisition of dynamic total-pressure data | |
| Table 2 | Steps for acquiring dynamic total-pressure data | |
| Table 3 | Steps leading to determining peak dynamic distortion |
Issuing Committee
S-16 Turbine Engine Inlet Flow Distortion Committee
Scope: Committee S-16 develops uniform procedures for adoption by industry. These procedures will permit representation of inlet distortion and evaluation of its effect on propulsion systems' stability and performance.
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