National Aeronautics and Space Administration - NASA

 NASA engineers continuing efforts Sunday to manage} temperatures in one {in all|one amongst|one in every of} 2 cooling loops on the International orbiter laid low with the malfunction last week of a flow control valve in a cooling pump on the station’s starboard truss. A Flow management Valve within the starboard Pump Module that permits the flow of ammonia to chill station systems stopped positioning itself properly last Wednesday, leading to a drop of temperature in Cooling Loop A. That necessitated the termination of some support systems on the station. The temperature should be heat enough within the cooling lines to permit the system’s heat exchangers to dissipate excess heat from the station through the external radiators on the complicated. the first heat rejection capability for station systems shifted last week to Cooling Loop B that uses a totally operational Pump Module on the port truss.

Efforts nightlong to fine-tune the position of associate degree isolation valve related to the flow system within the Pump Module into a “sweet spot” to help the faulty Flow management Valve in regulation the affected cooling loop’s temperatures were still being evaluated as engineers still review the info, valve positioning techniques and extra strategies of temperature management within the loop.

Meanwhile, parallel work is in progress to either alter Orbital Sciences business firm. to launch its double star rocket and therefore the Cygnus wares craft from the Wallops Flight Facility, Va. weekday night at 9:19 p.m. Eastern Standard Time on its 1st resupply mission to the orbiter, or for Expedition thirty eight astronauts Rick Mastracchio and Michael Hopkins to mount a collection of spacewalks starting weekday to interchange the faulty pump.

The International space platform Program continues to stay each choices on the table unfinished any engineering analysis and troubleshooting efforts on the station’s cooling system.
While the engineering work on the station’s cooling loop continued , technicians at Wallops ready to load time-critical science lading within the Cygnus artificial satellite Sunday afternoon to preserve many days of launch opportunities starting Th night. the present schedule demand the vehicle fairing to be put in on the binary higher stage around Cygnus on Mon. The binary rocket and connected Cygnus area unit regular to rollout to the launch pad at Wallops within the wee hours Tuesday.

Meanwhile, aboard the space platform, Mastracchio and Hopkins continued  to arrange their spacesuits and different instrumentality within the Quest air lock Sunday ought to they be referred to as upon to conduct spacewalks to exchange the Pump Module.