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GAS TURBINE JET EXHAUST NOISE PREDICTION
- Aerospace Standard
- ARP876D
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
ARP876 is intended to provide specific recommended procedures for the prediction of gas turbine jet exhaust system noise sources. Procedures are issued as separate Sections, to allow for future updating as additional methods, consistent with state-of-the-art, become available.
Recommended Content
Aerospace Standard | Gas Turbine Jet Exhaust Noise Prediction |
Aerospace Standard | Physical Modeling Techniques for Jet Engine Test Cell Aerodynamics |
Aerospace Standard | An Assessment of Planar Waves |
Topic
Data Sets - Support Documents
Title | Description | Download |
---|---|---|
Unnamed Dataset 1 | ||
TABLE 5.1 | Variable Density Index ω (Reference ) | |
TABLE 5.2 | Pure Jet Mixing Noise Normalized Polar OASPL (dB) Values (Reference ) | |
TABLE 5.3 | ||
TABLE 5.4 | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake ≤ 90 Degrees | |
TABLE 5.5 | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake = 100 Degrees | |
TABLE 5.6 | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake =110 Degrees | |
TABLE 5.7 | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake = 120 Degrees | |
TABLE 5.8 | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake = 130 Degrees | |
TABLE 5.9A | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake = 140 Degrees | |
TABLE 5.9B | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake = 140 Degrees | |
TABLE 5.10A | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake = 150 Degrees | |
TABLE 5.10B | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake = 150 Degrees | |
TABLE 5.11A | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake = 160 Degrees | |
TABLE 5.11B | Gas Turbine Jet Exhaust Noise Prediction θ Angle to Intake = 160 Degrees | |
TABLE 5.12A | Relative Velocity Exponent m (θ )v | |
TABLE 5.12B | Relative Velocity Exponent m (θ ) | |
TABLE 6.1 | Master Spectra H (σ) and C (σ) | |
TABLE 7.1 | Jet Noise Component Formulas | |
TABLE 7.2 | Normal Adjustment (DSPL) | |
TABLE 7.3 | Acoustic Excitation Adjustment (EX) | |
TABLE 8.1 | Spectrum Shape Factor for Combustor Noise | |
TABLE 8.2 | Farfield Directivity Index for Combustor Noise | |
TABLE A1 | Measured and Calculated Wideband Sound Power Levels from Single-Stream Jets Under Static Conditions |
Issuing Committee
A-21 Aircraft Noise Measurement Aviation Emission Modeling
To develop and maintain relevancy of recommended practices for aircraft noise measurement and guidance for modeling of both aircraft noise and aviation emissions and to promote a unified technical approach to support the practical assessment of their impact.
Reference
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