updated 4/12/2011 4:47:17 PM ET 2011-04-12T20:47:17

SAN DIEGO, April 12, 2011 (GLOBE NEWSWIRE) -- Northrop Grumman Corporation (NYSE:NOC) will use an experiment on the International Space Station (ISS) to test a new way to cool military satellite payloads.

Massive Heat Transfer Experiment
The Massive Heat Transfer Experiment (MHTEX) will be taken to the International Space Station on-board the space shuttle Endeavour, set to launch from Kennedy Space Center, Fla., on April 29. (Photo courtesy of Air Force Research Laboratory)




A photo accompanying this release is available at http://media.globenewswire.com/noc/mediagallery.html?pkgid=9483

The payload, the Massive Heat Transfer Experiment (MHTEX), will be taken to the ISS on-board the space shuttle Endeavour, set to launch from Kennedy Space Center, Fla., on April 29. This shuttle mission is one of two final flights planned by NASA.

"In space, it's difficult to cool electronic systems and today's methods have been stretched to their limits," said Cecilia Penera, Northrop Grumman's project manager and principal investigator for MHTEX. "The new method we are testing uses an advanced capillary pump loop that moves heat generated by electronic systems so it can be safely expelled from the spacecraft."

MHTEX is a collaborative effort of Northrop Grumman, the U.S. Air Force Research Laboratory's Space Vehicles Directorate and the U.S. Department of Defense Space Test Program.

The experiment will demonstrate how satellite systems can be cooled eight times more efficiently than today's systems. This will allow new cooling systems to be developed that support more complex hardware on military spacecraft.

"The capillary pump loop also has the capability to cool systems from multiple payloads," said Penera. "It was designed to be modular so the capillary pump loop could be scaled and reconfigured for small or large satellite power needs."

By using the capillary pump loop a satellite would be able to accommodate higher power outputs or potentially more payloads. This cooling system allows for more functionality in spacecraft designs because a radiator would not need to be near equipment that generates heat.

Northrop Grumman Corporation is a leading global security company whose 75,000 employees provide innovative systems, products and solutions in aerospace, electronics, information systems and technical services to government and commercial customers worldwide. Please go to www.northropgrumman.com for more information.

CONTACT: Warren Comer
         (858) 618-7788 office
         (858) 705-7246 mobile
         warren.comer@ngc.com
         
         Bob Bishop
         (310) 812-5227 office
         (310) 251-0261 mobile
         bob.j.bishop@ngc.com

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