Engineering:Test Vehicle Abort Mission-1
 TV-D1 lifts off | |
| Names | Test Vehicle Abort Mission-1 TV-D1 |
|---|---|
| Mission type | In-flight abort test |
| Operator | ISRO |
| Apogee | 15 km (9.3 mi) |
| Spacecraft properties | |
| Spacecraft type | Gaganyaan |
| Manufacturer | Hindustan Aeronautics Limited |
| Launch mass | 44 Tons |
| Landing mass | 4.5 tons |
| Dry mass | 17 tons |
| Dimensions | Length: 34.954 m Diameter: 2.1 m (stage) , 4.05 m (CES) |
| Start of mission | |
| Launch date | 21 October 2023 |
| Rocket | Gaganyaan Abort Test Booster (modified GSLV L40 stage) |
| Launch site | First Launch Pad Satish Dhawan Space Centre |
| End of mission | |
| Landing site | Bay of Bengal |
 Test Vehicle Abort Mission-1 Patch | |
Test Vehicle Abort Mission-1 (TV-D1) was a high altitude abort test performed as part of the Gaganyaan program, initially set to be held on 21 October 2023 at around 02:30 UTC (08:00 IST).[1][2][3] Liftoff was delayed to 03:15 UTC due to weather issues, and five seconds before launch it was put on hold by the on-board computer due to an engine anomaly, as reported in ISRO's mission livestream. The launch occurred at 04:30 UTC, and the crew module successfully separated from the launch vehicle.[4][5] The crew module was successfully recovered by the Indian Navy.[6] India is the fourth country, after Russia, the United States, and China, to successfully test this technology.[7]
Background
In April 2022, it was proposed that both demonstration missions should have a depressurized crew module.[8] On 10 August 2022 ISRO performed a successful static test of the Crew Escape System (CES).[9] The crew module fairing and the high altitude abort engine were delivered by Hindustan Aeronautics Limited on 18 August 2022.[10] In December 2022, the structural qualification test for the crew module fairing with grid fins was successfully completed for the TV-D1 configuration.[11] In August 2023, the rocket was ready at Sriharikota and the test was scheduled for late September.[12] TV-D1 is the first development flight from the Gaganyaan program.[10] Gaganyaan-1, the first orbital test flight, is planned to take place in 2024.[13]
The crew module used for TV-D1, was an unpressurised version that had completed its integration testing. This unpressurised module was required to have an overall size and mass of an actual Gaganyaan crew module, and housed all systems required for deceleration and recovery, including a complete set of parachutes, recovery aids actuation systems, and pyros. The avionics systems operate in a dual-redundant mode for navigation, sequencing, telemetry, instrumentation, and power. The crew module in this mission was extensively instrumented to capture the flight data for evaluation of the performance of various systems. The crew module was planned to be recovered after touchdown in the Bay of Bengal using a dedicated vessel and diving team from the Indian Navy.[14]
With a rocket based upon the GSLV L40 stage,[15] TV-D1 was to be launched up to 11 km above sea level, where an in-flight abort scenario would be initiated. The capsule was expected to then continue another 4–5 km. The mission aimed to test the CES's separation from the rocket, ability to maintain a trajectory leading to a safe distance, and eventual parachute deployment.[14][16][10]
Mission objectives
- Flight demonstration and evaluation of the test vehicle subsystems
- Flight demonstration and evaluation of the CES, including various separation systems
- Crew Module characteristics and demonstration of deceleration systems at higher altitude and its recovery
Results
The launch occurred at 04:30 UTC, and was tracked by ground teams at Sriharikota. The crew module successfully separated from the launch vehicle and was recovered by the INS Shakthi in the Bay of Bengal despite rough seas.[4][5][17][6]
Gallery
Gaganyaan development timeline
Gaganyaan Test Vehicle for TV-D1 abort test
Gaganyaan TV-D1 test article
TV-D1 flight profile
TV-D1 test article with aeroskirt housing gridfins
TV-D1 integration
Stacking of TV-D1
TV-D1 on pad
The Gaganyaan capsule, along with the escape booster on the launchpad
TV-D1 launch slow-mo
TV-D1 onboard video
Gaganyaan TV-D1 capsule successfully secured on deck of INS Shakti (A57)
See also
References
- ↑ "First Crew Module for Gaganyaan test flight takes shape". https://www.isro.gov.in/First_Crew_Module_Gaganyaan_test_flight_TV_D1.html.
- ↑ "TV-D1 Flight Test" (in en). https://twitter.com/isro/status/1714208678675628360?s=20.
- ↑ "First Gaganyaan uncrewed module to be injected in 170x408km orbit; indicates human spaceflight profile". The Times of India. 28 April 2022. ISSN 0971-8257. https://timesofindia.indiatimes.com/india/first-gaganyaan-uncrewed-module-to-be-injected-in-170x408km-orbit-indicates-human-spaceflight-profile/articleshow/91159842.cms.
- ↑ 4.0 4.1 "Gaganyaan mission test flight live updates: Flight Test Vehicle Abort Mission-1 has been put on hold". 21 October 2023. https://timesofindia.indiatimes.com/india/gaganyaan-mission-launch-live-updates-isro-tv-d1-first-test-flight-to-take-astronauts-into-space-in-2025/liveblog/104594406.cms.
- ↑ 5.0 5.1 (in en) Gaganyaan TV-D1 Mission – Test flight from Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota, https://www.youtube.com/watch?v=BMig6ZpqrIs, retrieved 21 October 2023
- ↑ 6.0 6.1 "Multiple cams& drones, multiple ships and small boats..." (in en). https://twitter.com/sdhrthmp/status/1715596649710616608.
- ↑ "Mission Gaganyaan: Better safe than starry". The Economic Times. 18 May 2022. ISSN 0013-0389. https://economictimes.indiatimes.com/opinion/et-commentary/mission-gaganyaan-better-safe-than-starry/articleshow/91648613.cms.
- ↑ "Gaganyaan: First uncrewed mission to have unpressurised crew module". The Times of India. 29 April 2022. ISSN 0971-8257. https://timesofindia.indiatimes.com/india/gaganyaan-first-uncrewed-mission-to-have-unpressurised-crew-module/articleshow/91188895.cms.
- ↑ "Gaganyaan: Low Altitude Escape motor of crew escape system tested". The Times of India. 11 August 2022. ISSN 0971-8257. https://timesofindia.indiatimes.com/india/gaganyaan-important-crew-escape-system-test-complete/articleshow/93487636.cms.
- ↑ 10.0 10.1 10.2 "Gaganyaan: Isro receives key hardware from HAL". The Times of India. 18 August 2022. ISSN 0971-8257. https://timesofindia.indiatimes.com/india/gaganyaan-isro-receives-key-hardware-from-hal/articleshow/93641028.cms.
- ↑ "Government of India. Monthly Summary of the Department of Space for the month of December, 2022– reg.". Government of India Department of Space. https://www.isro.gov.in/media_isro/pdf/Monthly_summary/Monthly_Summary_Dec_2022.pdf.
- ↑ "Chandrayaan-3 on Moon: What's next for Isro?" (in en). https://www.indiatoday.in/science/chandrayaan-3/story/chandrayaan-3-moon-landing-success-update-what-next-for-isro-2426001-2023-08-24.
- ↑ Livemint (16 March 2023). "Govt shares an update on Gaganyaan, first abort mission likely in two months" (in en). https://www.livemint.com/news/india/govt-shares-an-update-on-gaganyaan-first-abort-mission-likely-in-two-months-11678953847112.html.
- ↑ 14.0 14.1 "First Crew Module for Gaganyaan test flight takes shape". https://www.isro.gov.in/First_Crew_Module_Gaganyaan_test_flight_TV_D1.html.
- ↑ "2 key Gaganyaan crew abort tests, Aditya top priority". The Times of India. 2 February 2022. ISSN 0971-8257. https://timesofindia.indiatimes.com/india/2-key-gaganyaan-crew-abort-tests-aditya-top-priority/articleshow/89305880.cms.
- ↑ "Gaganyaan abort test: Vehicle to go up to 11km, crew module around 15km". The Times of India. 20 July 2022. ISSN 0971-8257. https://timesofindia.indiatimes.com/home/science/gaganyaan-abort-test-vehicle-to-go-up-to-11km-crew-module-around-15km/articleshow/93007458.cms.
- ↑ "Indian Navy recovered ISRO`s Gaganyaan Crew module, as storm brewed in Bay of Bengal - Science News". https://www.wionews.com/science/indian-navy-recovered-isros-gaganyaan-crew-module-as-storm-brewed-in-bay-of-bengal-649692/amp.
Bibliography
- ANI (13 September 2022). "First trial for Gaganyaan to be done by end of 2023, or beginning of 2024: Jitendra Singh". Times of India. https://timesofindia.indiatimes.com/india/first-trial-for-gaganyaan-to-be-done-by-end-of-2023-or-beginning-of-2024-jitendra-singh/articleshow/94184621.cms.
- Kumar, Chenthan (13 October 2022). "Gaganyaan: First abort test likely only in early 2023". Times of India. https://timesofindia.indiatimes.com/india/gaganyaan-first-abort-test-likely-only-in-early-2023/articleshow/94835807.cms.
- Singh, Surendra (28 October 2022). "First test-flight of Gaganyaan mission in February: Isro official". Times of India. https://timesofindia.indiatimes.com/home/science/first-test-flight-of-gaganyaan-mission-in-february-isro-official/articleshow/95131083.cms.
- "Will conduct 6 test launches before manned mission, building some Gaganyaan systems in-house to cut cost: Isro chief". Times of India. 5 January 2023. https://timesofindia.indiatimes.com/home/science/will-conduct-6-test-launches-before-manned-mission-building-some-gaganyaan-systems-in-house-to-cut-cost-isro-chief/articleshow/96746455.cms.
- Kumar, Chethan (25 February 2023). "Gaganyaan: First abort test moves a step closer; Isro receives simulated crew module structure assembly". Times of India. https://timesofindia.indiatimes.com/india/gaganyaan-first-abort-test-moves-a-step-closer-isro-receives-simulated-crew-module-structure-assembly/articleshow/98235415.cms.
- Kumar, Chethan (23 June 2023). "'Isro to test Gaganyaan escape system in August'". Times of India. https://timesofindia.indiatimes.com/city/ahmedabad/isro-to-test-gaganyaan-escape-system-in-august/articleshow/101204262.cms.
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