Kennedy Space Center conducts Wet Flow Water Test at Pad 39B

Water flowed during a test at Launch Complex 39B at NASA’s Kennedy Space Center in Florida. About 450,000 gallons of water flowed at high speed from a holding tank through new and modified piping and valves, the flame trench, flame deflector nozzles and mobile launcher interface risers during a wet flow test at Launch Complex 39B. At peak flow, the water reached about 100 feet in the air above the pad surface. The test was a milestone to confirm and baseline the performance of the Ignition Overpressure/Sound Suppression system. During launch of NASA's Space Launch System rocket and Orion spacecraft, the high-speed water flow will help protect the vehicle from the extreme acoustic and temperature environment during ignition and liftoff. Video and caption credit: NASA / KSC

[bearlemley]

Well at least we will be able to watch water shows at Pad 39b

[johndanis]

Is this done with pumps or a dump of a gravity tank?

[Grizzlee.n]

An estimated 450, 000 U.S. gallons (1, 703, 435 liters) of water was released during this test. This provided a critical test of the site’s new piping and valves, the iconic flame trench, flame director nozzles, as well as the mobile launcher interface risers.