SCEINCE

NASA’s space launch system came one step closer to the explosion

After repeated delays, Space launch system, the workhorse of the ambitious Artemis program, is now entering the final phase of testing before being deployed for its first flight. NASA recently shared footage from Umbilical cord release and withdrawal test (URRT) for this massive rocket, which was held in High Bay 3 at the Kennedy Space Center.

The buds are tasked with delivering various components of a rocket launch, such as power, fuel, coolant, and communications to the rocket on the launch pad. During the countdown leading to the ignition of the rocket engine, the umbilical cords are released in a predetermined manner and retracted from their positions. URRT tests the system time.

Previous NASA rocket launches have used pyrotechnic separation systems. However, NASA has used various SLS tear-off mechanisms such as winches and rope ropes and even multiple umbilical cord mechanisms, Reports NASA space flight.

The SLS has many pimples starting from Aft Skirt Electrical Umbilicals (ASEU) at the bottom, together with the two Tamb Service Mast Umbilicals (TSMU), which are responsible for feeding the main stage of the rocket with liquid hydrogen and oxygen. The Main stage The Inter-Tank Umbilical (CSITU) is connected between hydrogen and oxygen tanks at a height of 140 feet (42.7 m).

The umbilical floor of the main stage (CSFSU) is located at a height of 54 feet (180 feet) between the first and second stages of SLS, while the intermediate umbilical wall of cryogenic propulsion (ICPSU) is located at a height of 240 feet (73.2) m ) and will be responsible for powering the upper stage of the SLS along with providing electrical connections and pneumatic maintenance.

The tallest navel is the Orion Service Module Umbilical (OSMU), which supplies liquid coolant and purge air to the environmental control system and will also be used when manned missions are undertaken by the SLS. Apart from ASEU, all other umbilical cords were tested during URRT, NASA Spaceflight reported.

After the successful test, the team will now move on to integrated modal testing (IMT) to determine the structural integrity and resonance frequency of the stacked rocket, followed by a full wet rehearsal at the 39B launch complex. While NASA has publicly declared that Artemis I will be released in 2021, could probably take place in early 2022, the website says.





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