Thermal Analysis of the IUE - Fifteen Years Later

Format:

Conference/Event

Author/Creator:

Skladany, Joseph T., author.

Conference Name:

International Conference On Environmental Systems (1994-06-20 : Friedrichshafen, Germany)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1994

Summary:

The International Ultraviolet Explorer (IUE) is a large astronomical observatory which was launched on January 26, 1978. The observatory was placed into a three-axis stabilized, eccentric synchronous orbit with an inclination of about 29 degrees. Although it was designed for a 3-year lifetime, it is currently still operational. This paper will briefly review the thermal design which consists of multilayer insulation, ammonia-filled grooved heat pipes, bimetallic actuated louvers, and assorted commandable heaters. It will discuss the 15 years of thermal data and compare the results with prelaunch predictions. This paper will also briefly discuss the more significant flight anomalies. Finally, an attempt will be made to discuss any anomalous thermal behavior with an emphasis on the temperature increase of the hydrazine auxiliary propulsion system

Notes:

Vendor supplied data

Publisher Number:

941431

Access Restriction:

Restricted for use by site license