Documents / Report
This Defense Intelligence Reference Document, prepared by the Defense Intelligence Agency under its Advanced Aerospace Weapon System Applications (AAWSA) Program and dated 14 December 2009, is a white paper on programmable matter and smart materials. It covers quantum dots, metamaterials, liquid crystals, dynamic windows and spacecraft thermal management, and describes a future space station scenario. It concludes that even partial realization could bring significant gains in spacecraft energy efficiency, safety and mission flexibility.
UNCLASSIFIED/ t FOR OFFICIAL USE CIIL I through completely different mechanisms, their effects are complementary and, thus, their savings can be combined. In addition, while low-E glass reduced peak cooling loads by 2-14 percent, the dynamic windows provided an additional 5-38 percent reduction in peak cooling load, allowing significant downsizing of the building's air conditioning system. The report concluded that dynamic windows "offer the potential for significantly greater HVAC savings than can be achieved with currently available high-performance windows," have "much lower energy costs than static windows," and "provide the best of all worlds." Early Commercialization of Smart Materials In the third quarter of 2009, RavenBrick LLC introduced RavenWindow, an "active- passive thermoreflective" window film that is transparent when cold and partially reflective when hot. The dual-purpose smart film is intended to manage and harness solar heat gain in windows. The film costs much less than do existing smart window technologies and offers superior energy savings . • Figure 5. Assorted Views of RavenWindow and Ravenlight Filters in the Cold (Transparent) and Hot (Reflective) State. RavenWindow film is transparent when cold and partially reflective when hot, allowing an SHGC range between 0.12 and 0.43-more than twice the range studied by LBNL. Studies performed by RavenBrick using LBNL tools show energy savings up to three times those of low-E glass alone. 8 UNCLASSIFIED// FOR OFFICIAL 032 8HLY
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Report, from the dia collection. The PDF is mirrored here; the original link is above. 20 pages are in the text index: search them above, or from the library's search.