Beaumont High School alumna Tracy Caldwell Dyson and fellow crew members aboard the International Space Station were awakened by warning alarms late Saturday after a cooling system failure set off alarms. system intended to dissipate heat generated by electronics aboard the space station shut down shortly after 8 p.m. July 31 when a circuit breaker tripped.
Flight engineer Dyson and Col. Douglas Wheelock had to install jumpers between the Russian Zarya propulsion module and the United States segment to prevent further cooling problems. Later, alarms were triggered again when they tried to restart the stalled coolant pump, which a circuit breaker blew, indicating a problem with the pump module, according to information in the New York Times.
Caldwell, who graduated from Beaumont High School in 1987, and Wheelock are scheduled to conduct a spacewalk to replace the pump module.Flight engineer Dyson and Col. Douglas Wheelock had to install jumpers between the Russian Zarya propulsion module and the United States segment to prevent further cooling problems. Later, alarms were triggered again when they tried to restart the stalled coolant pump, which a circuit breaker blew, indicating a problem with the pump module, according to information in the New York Times.
During their spacewalk, or extravehicular activity (EVA), they are expected to remove the failed unit, temporarily stow it, and then move the new pump into position. A second spacewalk would be devoted to connecting electric components and ammonia coolant lines. NASA officials determined that the crew was not in immediate danger.
No comments:
Post a Comment