allows the use of standard terrestrial energy conservation techniques without undue worry about the cost of removal of low-grade waste heat. The designs presented here show the disadvantages of the vertical radiators and significant advantages of shielding and use of surface coatings for horizontal and inclined radiators. These results will be applicable to any design at or near daytime lunar surface temperatures. Even higher temperature designs can benefit in terms of avoiding day-night changes. The optimal designs are latitude dependent and would lose the benefit of passive sun shielding for locations within 15° of the lunar equator. An actively shielded radiator for equatorial regions has been described that has an approximately 10% wt penalty. Figure 14 summarises the conclusions. REFERENCES [1] Cutler, A.H. & Krag (1985) A carbothermal scheme for oxygen production, in: Wendell W. Mendell (Ed.) Lunar Bases and Space Activities in the 21st Century, p. 559 (Lunar and Planetary Institute). [2] Panchyshyn, Multimegawatt Nuclear Power System for Lunar Base Applications, AMS 86-308, Advances in the Astronautical Sciences, 64, Part II. [3] French, J.R. (1985) Nuclear Power plants for Lunar Bases, in: Wendell W. Mendell, op. cit., p. 99. [4] Salisbury & Bugbee (1985) Wheat farming in a lunar base, ibid. [5] Sedej, Melaine Meyer (1985) Implementing supercritical water oxidation technology in a lunar base environment, ibid, p. 653. [6] Cutler, A.H. (1986) Power demands for space resource utilization, Space Nuclear Power Systems (Malabar, FL, Orbit Books). [7] Edwards, D.K. (1981) Radiation Heat Transfer Notes (UCLA, Hemisphere Publishing). [8] Perry, Chemical Engineering Handbook. [9] Rowley & Neudecker (1985) In-situ Rock melting Applied to Lunar Base Construction, in: Wendell W. Mendell, op. cit., p. 465. [10] Brandt Goldsworthy, personal communication. [11] Ehricke, Krafft A. (1985) Lunar Industrialization and Settlement, in: Wendell W. Mendell, op. cit.
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