RT Journal Article
T1 Design and test of cryogenic cold plate for thermal-vacuum testing of space components
A1 Díez Jiménez, Efrén
A1 Alcover-Sanchez, Roberto
A1 Pereira, Emiliano
A1 Gómez García, María Jesús
A1 Martinez Vian, Patricia
AB This paper proposes a novel cryogenic fluid cold plate designed for the testing of cryogenic space components. The cold plate is able to achieve cryogenic temperature operation down to -196 °C with a low liquid nitrogen (LN2) consumption. A good tradeoff between high rigidity and low thermal conduction is achieved thanks to a hexapod configuration, which is formed by six hinge-axle-hole articulations in which each linking rod bears only axial loads. Thus, there is not any stress concentration, which reduces the diameter of rod sections and reduces the rods' thermal conduction. This novel design has a unique set of the following properties: Simple construction, low thermal conduction, high thermal inertia, lack of vibrational noise when cooling, isostatic structural behavior, high natural frequency response, adjustable position, vacuum-suitability, reliability, and non-magnetic. Additionally, the presented cold plate design is low-cost and can be easily replicated. Experimental tests showed that a temperature of at least -190 °C can be reached on the top surface of the cold plate with an LN2 consumption of 10 liters and a minimum vibration frequency of 115 Hz, which is high enough for most vibration tests of space components.
PB MDPI
SN 1996-1073
YR 2019
FD 2019-08-02
LK https://hdl.handle.net/10016/38350
UL https://hdl.handle.net/10016/38350
LA eng
NO The research leading to these results received funding from the Spanish Ministerio de Economía y Competitividad inside the Plan Estatal de I+D+I 2013-2016 under grant agreement n° ESP2015-72458-EXP.The authors wish to recognize the work of Alba Martínez Pérez in the preparation of figures, the work of Miguel Fernández Muñoz in 3D model preparation, and the assistance of Hector Cruz Rosco during thermal and dynamic tests. The authors especially wish to recognize the work of Jorge Serena de Olano in CNC manufacturing.
DS e-Archivo
RD 18 jul. 2024