In-orbit thermal performance of a smart radiation device

S Tachikawa, A Ohnishi, Y Nakamura, A Okamoto - 2007 - sae.org
The Smart Radiation Device (SRD) decreases the temperature variation by changing its
emissivity depending on the temperature. The first generation of the SRD has been …

Improvement of smart radiation device

A Okamoto, S Tachikawa, A Ohnishi… - … Congress of the …, 2005 - arc.aiaa.org
The authors have developed a new thermal control device called Smart Radiation Device
(SRD). SRD stabilizes spacecraft temperature by regulating radiation heat transfer to space …

Design and ground test results of a variable emittance radiator

S Tachikawa, A Ohnishi, K Shimazaki, A Okamoto… - 2000 - sae.org
The Smart Radiation Device (SRD) which is made from a ceramic material is a thin and light
tile. The material undergoes a metal-insulator transition at around 290K and this allows the …

Ground tests and in-orbit performance of variable emittance device based on manganese oxide

S Tachikawa, A Ohnishi, Y Nakamura… - Japan Society of …, 2007 - ui.adsabs.harvard.edu
A new thermal control material named the Smart Radiation Device (SRD) has shown
improvement in development. The SRD can be used as a variable emittance radiator that …

Development of a Variable Emittance Radiator, 1999

S Tachikawa, A Ohnishi, K Shimazaki, A Okamoto… - 1999 - sae.org
The Smart Radiation Device (SRD) is a thin and light tile whose infrared emissivity is varied
proportionally by the temperature of the radiator. Bonded only to the external surface of the …

Passive dynamically-variable thin-film smart radiator device

RV Kruzelecky, E Haddad, W Jamroz, M Soltani… - SAE transactions, 2003 - JSTOR
This paper describes a new approach to spacecraft thermal control based on a passive thin-
film smart radiator device (SRD) that employs a variable heattransfer/emitter structure. The …

[PDF][PDF] DEEP SPACE RADIATIONS-LIKE EFFECTS ON VO2 SMART NANO-COATINGS

LE Mathevula - 2014 - core.ac.uk
Thermal control in spacecraft will be increasingly important as the spacecraft grows smaller
and more compact. Such spacecraft with low thermal mass will have to be designed to retain …

An Experimental Study of a Smart Radiator Device for Enhanced Passive Thermal Control of Small Spacecraft

A Carvey, P Ferguson, JF Thibault, E Haddad - 2019 - digitalcommons.usu.edu
Small satellites often face thermal control challenges due to their restricted power and low
thermal capacitance (leading to wide temperature swings). Smart Radiator Devices (SRDs) …

Smart radiation device: Design of an intelligent material with variable emittance

S Tachikawa, A Ohnishi, K Shimazaki, A Okamoto… - SAE transactions, 2001 - JSTOR
Variable emittance radiator, called SRD, is a thin and light ceramic tile whose infrared
emissivity is varied proportionally by its own temperature. Bonded only to the external …

Development of the variable emittance thermal suite for the space technology 5 microsatellite

DM Douglas, T Swanson, R Osiander… - AIP Conference …, 2002 - pubs.aip.org
The advent of very small satellites, such as nano and microsatellites, logically leads to a
requirement for smaller thermal control subsystems. In addition, the thermal control needs of …