Single-stage-to-orbit performance enhancement from take-off thrust augmentation

被引：0

作者：

Galati, T

Elkins, T

机构：

来源：

SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM, PTS 1-3: 1ST CONFERENCE ON FUTURE SCIENCE & EARTH SCIENCE MISSIONS; 1ST CONFERENCE ON SYNERGISTIC POWER & PROPULSION SYSTEMS TECHNOLOGY; 1ST CONFERENCE ON APPLICATIONS OF THERMOPHYSICS IN MICROGRAVITY; 2ND CONFERENCE ON COMMERCIAL DEVELOPMENT OF SPACE; - 2ND CONFERENCE ON NEXT GENERATION LAUNCH SYSTEMS; 14TH SYMPOSIUM ON SPACE NUCLEAR POWER AND PROPULSION | 1997年 / 387期

关键词：

D O I：

10.1063/1.52130

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Thrust augmentation offers the Single Stage to Orbit (SSTO) space launch vehicle improved payload capability while reducing vehicle weight and cost. Optimization of vehicle configuration and flight profile are studied. Using a 612,000 kg Gross Lift Off Weight (GLOW) SSTO with three Castor(R) strap-on motors, payloads in excess of 18,000 kg to Low Earth Orbit (LEO) are achievable. Emphasis is placed on finding vehicle optimums in the 9,000 kg payload range to capture over 80% of commercial payloads. Strap-on boosters allow a small SSTO vehicle to fly with a mass fraction of only 0.88 and LOX/H-2 engines operating at 445 sec vacuum specific impulse. Payload sensitivity due to variations of mass fraction, I-sp and pitch rate are quantified.

引用

页码：1107 / 1112

页数：6