ISRO Efficiently Exams Propulsion Programs on India’s First Human Spaceflight Mission Gaganyaan

ISRO has efficiently carried out two extra assessments as a part of plans to additional validate and refine the efficiency of the propulsion system that might be used to launch India’s first human spaceflight mission Gaganyaan. The “sizzling assessments” on Gaganyaan Service Module Propulsion System (SMPS) had been carried out on the ISRO Propulsion Complicated, Mahendragiri, in Tamil Nadu on Wednesday.

The Gaganyaan venture envisages demonstration of human spaceflight functionality by launching a crew of three members to an orbit of 400km for a 3 days mission and convey them again safely to earth, by touchdown in Indian sea waters, based on ISRO.

“These assessments will additional validate and refine the efficiency of the propulsion system, guaranteeing its readiness for the upcoming Gaganyaan mission,” it mentioned.

“These assessments (carried out on July 26) marked the second and third sizzling assessments within the Service Module – System Demonstration mannequin (SM-SDM) section 2 take a look at sequence. The primary sizzling take a look at was carried out on July 19, 2023,” the Bengaluru-headquartered nationwide house company mentioned in a press release.

ISRO mentioned three extra sizzling assessments are scheduled, to exhibit de-boosting necessities and off-nominal mission eventualities.

The SMPS is designed and developed by the Liquid Propulsion System Centre positioned at Bengaluru and Valiamala, Thiruvananthapuram.

Through the assessments on Wednesday, the thrusters had been operated in each steady and pulse mode, in sync with the mission profile.

The preliminary sizzling take a look at which lasted for 723.6 seconds targeted on demonstrating Orbital Module injection and the calibration burn of 100 Newton thrusters and Liquid Apogee Motor (LAM) engines.

“The calibration burn was important to determine and isolate any non-operational engines. The LAM engines and response management system (RCS) Thrusters carried out as anticipated,” the assertion mentioned.

“The latter sizzling take a look at, with a period of 350 seconds, aimed to exhibit the circularisation of the Orbital Module to realize the ultimate orbit. Throughout this take a look at, the LAM engines operated in steady mode, whereas the RCS Thrusters fired in pulse mode,” it added.


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