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Showing 1–4 of 4 results
Advanced filters: Author: Aaswath P. Raman Clear advanced filters

  • Active radiant cooling is an emerging technology that consumes less energy than traditional air conditioning. This work demonstrates an outdoor radiant cooling structure incorporating infrared-reflective surfaces that delivers enhanced thermal comfort.

    • David E. Abraham
    • Robert Yang
    • Aaswath P. Raman
    Research
    Nature Sustainability
    Volume: 8, P: 642-650

  • Radiative sky cooling passively rejects heat from a surface out into space via an atmospheric transparency window, enabling sub-ambient cooling. Goldstein et al. exploit this to show daytime cooling of water by up to 5 ∘C below ambient temperature, equivalent to a heat rejection flux of 70 Wm−2.

    • Eli A. Goldstein
    • Aaswath P. Raman
    • Shanhui Fan
    Research
    Nature Energy
    Volume: 2, P: 1-7

  • A multilayer photonic structure is described that strongly reflects incident sunlight while emitting heat selectively through an atmospheric transparency window to outer space; this leads to passive cooling under direct sunlight of 5 degrees Celsius below ambient air temperature, which has potential applications in air-conditioning and energy efficiency.

    • Aaswath P. Raman
    • Marc Abou Anoma
    • Shanhui Fan
    Research
    Nature
    Volume: 515, P: 540-544

  • Nonreciprocal thermal absorptivity and emissivity is shown over a broadband spectrum and specified angular range for a gradient epsilon-near-zero photonic structure.

    • Komron J. Shayegan
    • Jae S. Hwang
    • Harry A. Atwater
    ResearchOpen Access
    Light: Science & Applications
    Volume: 13, P: 1-8