Multichamber controllable heat pipe

Valve throttles transfer of vapor between heat input surface and heat rejection surface of heat pipe to control rate of transfer of energy. Valve is operated by control signals which sense temperatures or pressures

Restartable heat pipe

Inclusion in heat pipe of auxiliary working fluid which has considerably lower freezing point than main working fluid enables easy starting after main working fluid has been cooled to or below freezing point

Potential techniques and development activities in diver suit heating

A prototype compact reactor suitable for combustion of propane with oxygen under shallow as well as submerged deep submergence diving conditions is reported. The device is used to heat the circulating water in a water tube-type diving suit

Feasibility study of integral heat sink space suit concepts

Integral heat sink material space suit for body temperature contro

Research and development study on thermal control by use of fusible materials Interim report, Mar. 1964 - Jan. 1965

Determination of thermophysical properties and temperature control techniques in applying melting and solidification of materials to temperature control of space vehicle subsystem

Study of passive temperature and humidity control systems for advanced space suits Interim report, 1 Jul. 1966 - 1 Sep. 1967

Techniques for passive control of temperature and humidity in space suits for extravehicular activit

Study of passive temperature and humidity control systems for advanced space suits Final second phase report, 2 Sep. 1967 - 1 Sep. 1968

Passive temperature and humidity control systems developed for advanced space suit

Analytical review of passive mass transfer of water vapor in a space suit

Engineering study and analysis of water vapor mass transfer in space sui

Technology study of passive control of humidity in space suits

Water vapor condensation and adsorption techniques for passive humidity control in space suit

Engineering study to determine feasible methods of simulating planetary albedo and radiation effects upon the thermal balance of spacecraft Final report

Planetary radiation and albedo effects on thermal balance of spacecraft orbiting Mars and Venu