Headlines > News > Station Crew Unloads Cargo, Prepares for Spacewalks

Station Crew Unloads Cargo, Prepares for Spacewalks

Published by Klaus Schmidt on Wed Jul 7, 2010 8:56 am via: NASA
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After enjoying a light-duty day following the belated docking of a Russian cargo ship over the weekend, the Expedition 24 crew of the International Space Station got back to work Tuesday, preparing for a series of upcoming spacewalks and conducting routine maintenance.

Flight Engineer Shannon Walker got an early start on the workday as she set up acoustic dosimeters to be worn by Commander Alexander Skvortsov and Flight Engineers Mikhail Kornienko and Tracy Caldwell Dyson. These devices, which track sound levels experienced by crew members throughout the day, will help assure that sound levels throughout the station are maintained at safe limits.

Backdropped by a blue and white part of Earth and the blackness of space, International Space Station solar array panels are featured in this image photographed by an Expedition 24 crew member aboard the station. Credit: NASA

Backdropped by a blue and white part of Earth and the blackness of space, International Space Station solar array panels are featured in this image photographed by an Expedition 24 crew member aboard the station. Credit: NASA

After the crew’s daily planning conference with teams in the U.S., Russia, Germany and Japan, Caldwell Dyson and Flight Engineer Doug Wheelock reviewed tasks they will perform during one of two spacewalks they will conduct in August. The pair later stowed spacewalk equipment and reset switches in the U.S. airlock. In addition to the two excursions planned for Caldwell Dyson and Wheelock, a late July spacewalk by Flight Engineer Fyodor Yurchikhin and Kornienko to outfit the recently installed Rassvet module is also in the works.

Later, Caldwell Dyson prepared another sample for the Coarsening in Solid-Liquid Mixtures-2 experiment, which studies the rate at which particles of tin suspended in a liquid comprised of molten tin/lead alloy increase in size in a weightless environment through a process known as coarsening. This work has direct applications to metal alloy manufacturing on Earth, including materials critical for aerospace applications.

Skvortsov and Kornienko spent part of their day unloading and inventorying cargo from the ISS Progress 38 cargo vehicle, which docked to the station at 12:17 pm. EDT Sunday. That docking was executed flawlessly by Progress’ Kurs automated rendezvous system. An attempted docking Friday was aborted when telemetry between the Progress and the space station was lost about 25 minutes before its planned docking.

Working in the Destiny laboratory, Walker tackled the removal and replacement of piping in the Waste and Hygiene Compartment. She took a brief break from that task to join Caldwell Dyson and Wheelock in the Japanese Kibo module for an interview with radio and newspaper reporters in her hometown of Houston.

Wheelock prepared the Fluid Combustion Facility Fluids Integrated Rack by replacing a Constrained Vapor Bubble module for another test. Data from this experiment will lead to optimally designed heat transfer systems for future space missions.

Yurchikhin cleaned ventilation screens and later installed a protective screen near the Russian crew quarters in the Zvezda service module.

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