Accession Number:

AD0650303

Title:

VACUUM CONTROL TMB TYPE 252-1A,

Descriptive Note:

Corporate Author:

DAVID TAYLOR MODEL BASIN WASHINGTON D C

Personal Author(s):

• Kendall,F. H. , Jr

Report Date:

1955-04-01

Pagination or Media Count:

9.0

Abstract:

The manual describes a system which allows tunnel operation only after a predetermined vacuum level has been obtained, and stops operation when the lower vacuum limit is reached. Both limits are adjustable, and the control system is completely automatic. Author

Descriptors:

• (*SUPERSONIC WIND TUNNELS
• CONTROL SYSTEMS)
• (*VACUUM APPARATUS
• CONTROL SYSTEMS)
• OPERATION
• AUTOMATIC
• OSCILLATORS

Subject Categories:

• Test Facilities, Equipment and Methods
• Fluid Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE