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Multi-evaporator miniature loop heat pipe for small spacecraft thermal control
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Ottenstein, Laura Douglas, Donya Ku, Jentung |
| Copyright Year | 2008 |
| Description | This paper presents the development of the Thermal Loop experiment under NASA's New Millennium Program Space Technology 8 (ST8) Project. The Thermal Loop experiment was originally planned for validating in space an advanced heat transport system consisting of a miniature loop heat pipe (MLHP) with multiple evaporators and multiple condensers. Details of the thermal loop concept, technical advances and benefits, Level 1 requirements and the technology validation approach are described. An MLHP breadboard has been built and tested in the laboratory and thermal vacuum environments, and has demonstrated excellent performance that met or exceeded the design requirements. The MLHP retains all features of state-of-the-art loop heat pipes and offers additional advantages to enhance the functionality, performance, versatility, and reliability of the system. In addition, an analytical model has been developed to simulate the steady state and transient operation of the MHLP, and the model predictions agreed very well with experimental results. A protoflight MLHP has been built and is being tested in a thermal vacuum chamber to validate its performance and technical readiness for a flight experiment. |
| File Size | 910931 |
| Page Count | 13 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20080032843 |
| Archival Resource Key | ark:/13960/t5q86911c |
| Language | English |
| Publisher Date | 2008-04-07 |
| Access Restriction | Open |
| Subject Keyword | Spacecraft Design, Testing And Performance Evaporators Thermal Protection Thermal Vacuum Tests Vacuum Chambers Fluid Flow Mathematical Models Temperature Control Miniaturization Thermoelectricity Operating Temperature Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
