Accession Number:

AD0735390

Title:

Study Covering Calculations and Analysis of Sonic Boom during Operational Maneuvers. Volume II. Preliminary Flight Test Plan.

Descriptive Note:

Final rept. Apr-Dec 70,

Corporate Author:

BOEING CO RENTON WASH COMMERCIAL AIRPLANE GROUP

Personal Author(s):

• Haglund,George T.
• Kane,Edward J.

Report Date:

1970-12-01

Pagination or Media Count:

101.0

Abstract:

The methods and results of the study of the effects of operational SST maneuvers on sonic boom are contained in three volumes. Volume II contains a flight test plan designed to investigate caustics at the ground produced during longitudinal accelerations, circular turns, and steady, level flight at the threshold Mach number. A flight test plan is defined for studying sonic boom phenomena near lateral cut-off. Charts are provided to be used in the field in determining the required airplane position relative to the measuring networks as a function of flight variables and meteorological conditions. Methods are given for calculating caustic locations due to longitudinal accelerations and the lateral cut-off location during steady, level flight. Author

Descriptors:

• *SUPERSONIC AIRCRAFT
• *SONIC BOOM
• FLIGHT TESTING
• ACCELERATION
• LEVEL FLIGHT
• MATHEMATICAL ANALYSIS

Subject Categories:

• Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE