Thrust Vector Control using movable probesA study was undertaken to determine if movable probes or struts positioned in the nozzle can be used to provide Thrust Vector Control of the Space Shuttle Solid Rocket Booster. The study employed CFD to determine estimates of the shock standoff distance from the probe. An empirical correlation was used to construct the shock shape and the pressure distribution generated by the probe. The TVC performance for a single and multiple number of probes was then used to determine requirements for a maximum thrust angle offset of 7.5 degrees. Consideration was given to what materials would be suitable for the probe and if active cooling is required. Based on the performance analysis and thermal requirements, a Probe Thrust Vector Control (PTVC) system was sized. Indications are that a PTVC system weight is in the 1500 1bm weight range, compared to the existing weight of 7500 1bm for the SRB nozzle gimble system.
Document ID
19900032860
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Cavalleri, Robert (Applied Technology Associates, Inc. Orlando, FL, United States)
Tiarn, Weihnurng (Applied Technology Associates, Inc. Orlando, FL, United States)
Readey, Harvey (Applied Technology Associates Orlando, FL, United States)