NASA begins rocket tests for missions to Mars from other planets – Okezone techno

JAKARTA – NASA seriously in carrying out the mission to Mars. It is reported that the US Space Agency has begun testing a new rocket launched from another planet.

The team behind the Mars Ascent Vehicle (MAV) tested the first and second stages of solid rocket motors in a vacuum simulating cold temperatures on Mars on Wednesday (8/16/2023), Gizmodo reported. . According to NASA, this test was carried out as an important step in the rock sampling process on the planet Mars.

“This test demonstrates that our nation has the ability to develop a launch vehicle light enough to reach Mars and powerful enough to put a variety of samples into orbit for return to Earth,” said Benjamin Davis, head of MAV propulsion at the NASA. .

“Hardware tells us that our technology is ready to continue development,” he continues.

As you know, NASA is focusing on carrying out a fairly complex mission called Mars Sample Return. It is a fleet of spacecraft, including an orbiter, a lander, two helicopters and a rocket.

To test the MAV, the team built a development engine that would help them tailor the design before starting the actual build. The development SRM2 engine was tested on March 29 at the Northrop Grumman facility while the SRM1 was tested on April 7 at Edwards Air Force Base in California.

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SRM1 was placed in a vacuum at -4 degrees Fahrenheit (-20 degrees Celsius) to simulate conditions on Mars. In order for the rocket motor to survive the extreme cold, the team had to fit it with a trapped-sphere nozzle with a supersonic separation line from the normal solid-propellant rocket motor nozzle, which is not designed for the Martian climate.

The nozzle is a specially shaped tube through which hot gas flows and is used as part of a rocket engine to generate thrust by accelerating heat dissipation.

During testing, the supersonic splitline nozzle achieved the sixth of nine technology readiness levels based on the scale developed by NASA. The new nozzle design will still undergo further testing to ensure it can withstand the intense shocks and vibrations upon launch.

With tests just underway, Mars samples are expected to arrive at Earth in the early 2030s, though the mission is under scrutiny after going over budget and facing possible delays.

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