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ISRO tests home-grown cryogenic rocket engine for 800 seconds

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ISRO tests home-grown cryogenic rocket engine for 800 seconds

Written by: OneIndia Defence Desk
Published: Monday, July 20, 2015, 17:34 [IST]

Bengaluru, July 20: The Indian Space Research Organisation (ISRO) successfully ground-tested a home-grown developed ‘high thrust cryogenic rocket engine' for duration of 800 seconds.

ISRO sources said that the state-of-the-art cryogenic rocket engine, generating a nominal thrust of 19 tonnes, was endurance hot-tested on July 16, 2015 at the ISRO Propulsion Complex (IPRC) in Mahendragiri.
20-1437393761-isro1.jpg
Situated in Tirunelveli District of Tamil Nadu, the IPRC Mahendragiri is equipped with most modern facilities for realising the cutting edge technology products for ISRO's space research programmme.
The latest test was for a duration of approximately 25 per cent more than the engine burn duration in flight.
The engine once operational will be used for powering the Cryogenic stage (C25), the upper stage of the next generation GSLV Mk-III launch vehicle of ISRO, capable of launching four-tonne class satellites.
This high-performance cryogenic engine was conceived, configured and realised by Liquid Propulsion Systems Centre (LPSC), the lead centre of ISRO responsible for developing liquid propulsion systems for various space programmes.
High-altitude test planned
The performance of the engine closely matches with the pre-test prediction made using the in-house developed cryogenic engine mathematical modelling and simulation software.
Prior to engine realisation, a series of subsystem level tests were carried out to independently evaluate the design of major subsystems like the turbopumps, thrust chamber, gas generator, flow control components, etc. Based on the confidence gained, the integrated engine testing was initiated.
As part of the C25 Stage development, further tests are planned in high-altitude conditions and in Stage configuration, prior to the flight stage realisation.
Engine design a total in-house effort
ISRO says that the engine design was totally an in-house effort with experts from fluid dynamics, combustion, thermal, structural, metallurgy, fabrication, rotor dynamics and control components working together.
The fabrication of major subsystems of the engine was carried out through Indian industries.
ISRO says that the recent successful endurance hot test of the first high thrust cryogenic engine is the 10th test in a series of tests planned and executed as part of the development of the engine employing complex cryogenic technology.

ISRO tests home-grown cryogenic rocket engine for 800 seconds - Oneindia
 
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Indigenously Developed High Thrust Cryogenic Rocket Engine Successfully Ground Tested for a duration for 800 seconds
testing.jpg
India’s first indigenously designed and developed High Thrust cryogenic rocket engine generating a nominal thrust of 19 tonnes was successfully endurance hot tested for a duration of 800 seconds on July 16, 2015 at ISRO Propulsion Complex, Mahendragiri. This duration is approximately 25% more than the engine burn duration in flight. The engine will be used for powering the Cryogenic stage (C25), the upper stage of the next generation GSLV Mk-III launch vehicle of ISRO, capable of launching four tonne class satellites.
This cryogenic engine of C25 Stage operates on Gas Generator Cycle using extremely low temperature propellants – Liquid Hydrogen (LH2) at 20 Kelvin (-253 deg C) and Liquid Oxygen (LOX) at 80K (-193 deg C). The various subsystems of the engine are – regeneratively cooled Thrust Chamber, Gas Generator, LOX and LH2 high speed turbopump systems, flow control components, close loop mixture ratio control system, Pyrogen igniters, fluid systems, etc. The turbopump system rotates at a speed of 36,000 rpm with a power level of 2 MW.
This high performance cryogenic engine was conceived, configured and realised by Liquid Propulsion Systems Centre (LPSC), the lead centre of Indian Space Research Organisation (ISRO) responsible for developing liquid propulsion systems for Indian Space Programme. The Engine design was totally in-house effort with experts from different fields like fluid dynamics, combustion, thermal, structural, metallurgy, fabrication, rotor dynamics, control components, etc., working together. The fabrication of major subsystems of the engine was carried out through Indian Industries. Assembly and Integration of the engine and Testing were carried out in ISRO Propulsion Complex (IPRC), a unit of ISRO.
LPSC has also developed a cryogenic upper stage of 12.5 tonne propellant loading and successfully flight tested it in GSLV Mk-II vehicle on January 05, 2014. Compared to this stage, the C25 stage has a higher propellant loading (27 tonnes versus 12.5 tonnes) and higher engine thrust (19 tonne versus 7.5 tonne).
The recent successful endurance hot test of the first high thrust cryogenic engine is the tenth test in a series of tests planned and executed as part of the development of the engine employing complex cryogenic technology. The performance of the engine closely matches with the pre-test prediction made using the in-house developed cryogenic engine mathematical modelling and simulation software.
Prior to engine realisation, a series of subsystem level tests were carried out to independently evaluate the design of major subsystems like the turbopumps, thrust chamber, gas generator, flow control components, etc. Based on the confidence gained, the integrated engine testing was initiated.
As part of the C25 Stage development, further tests are planned in High Altitude conditions and in Stage configuration, prior to the flight stage realisation.
Mastering this complex, high performance cryogenic propulsion technology will go a long way in building self reliance for the Indian Space Programme.

Indigenously Developed High Thrust Cryogenic Rocket Engine Successfully Ground Tested for a duration for 800 seconds - ISRO
 
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That's what is going to be used to launch Indian astronauts into orbit. We are on schedule! :tup:
 
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ISRO tests home-grown cryogenic rocket engine for 800 seconds

Written by: OneIndia Defence Desk
Published: Monday, July 20, 2015, 17:34 [IST]

Bengaluru, July 20: The Indian Space Research Organisation (ISRO) successfully ground-tested a home-grown developed high thrust cryogenic rocket engine' for duration of 800 seconds.

ISRO sources said that the state-of-the-art cryogenic rocket engine, generating a nominal thrust of 19 tonnes, was endurance hot-tested on July 16, 2015 at the ISRO Propulsion Complex (IPRC) in Mahendragiri.
20-1437393761-isro1.jpg
Situated in Tirunelveli District of Tamil Nadu, the IPRC Mahendragiri is equipped with most modern facilities for realising the cutting edge technology products for ISRO's space research programmme.
The latest test was for a duration of approximately 25 per cent more than the engine burn duration in flight.
The engine once operational will be used for powering the Cryogenic stage (C25), the upper stage of the next generation GSLV Mk-III launch vehicle of ISRO, capable of launching four-tonne class satellites.
This high-performance cryogenic engine was conceived, configured and realised by Liquid Propulsion Systems Centre (LPSC), the lead centre of ISRO responsible for developing liquid propulsion systems for various space programmes.
High-altitude test planned
The performance of the engine closely matches with the pre-test prediction made using the in-house developed cryogenic engine mathematical modelling and simulation software.
Prior to engine realisation, a series of subsystem level tests were carried out to independently evaluate the design of major subsystems like the turbopumps, thrust chamber, gas generator, flow control components, etc. Based on the confidence gained, the integrated engine testing was initiated.
As part of the C25 Stage development, further tests are planned in high-altitude conditions and in Stage configuration, prior to the flight stage realisation.
Engine design a total in-house effort
ISRO says that the engine design was totally an in-house effort with experts from fluid dynamics, combustion, thermal, structural, metallurgy, fabrication, rotor dynamics and control components working together.
The fabrication of major subsystems of the engine was carried out through Indian industries.
ISRO says that the recent successful endurance hot test of the first high thrust cryogenic engine is the 10th test in a series of tests planned and executed as part of the development of the engine employing complex cryogenic technology.

ISRO tests home-grown cryogenic rocket engine for 800 seconds - Oneindia
 
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Awesome job.Now get it done,launch the gsat-6 this year with gslv mk2 and then start focussing on semi cryo of 2000 kn.
We need to move fast to negate decades of neglect compared to the west.
 
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