I had an Intel student work this out in 2001, he actually won a price for it. The basic idea is the same, if you transmit infrared radiation to the sky the radiator cools and you can run a heat engine against ambient conditions.
On 2/10/18, 18:41, "[email protected] on behalf of David Appell" <[email protected] on behalf of [email protected]> wrote: The Second Law of Thermodynamics means you can't solely operate a heat engine from a cold bath to a warm bath -- whether the cold bath is the troposphere, or the ocean. But, as Michael Hayes mentioned, you *can* run a heat engine between the troposphere (or surface) and space. But building such a technology is quite difficult, of course. His PNAS citation is an interesting read. David On 2/10/2018 11:39 AM, Michael Hayes wrote: > Hi Folks, > > In this overall category of tech, > Emissive Energy Harvesting is about 4-5 years old now: > > https://urldefense.proofpoint.com/v2/url?u=http-3A__www.pnas.org_content_111_11_3927.short&d=DwIBaQ&c=l45AxH-kUV29SRQusp9vYR0n1GycN4_2jInuKy6zbqQ&r=hFjA8A8KwwhQx5qilpfIleTL0XYVr_fckT8DnwIEWlQ&m=dy2A13_wuvWQ7hYFJAiYBxIZ5XjK4UiiFjH6Y-9DfLE&s=_fB1-2GfT6em9MKNolZeIVjX8kXpyO3bSSxDqWUl4Io&e= > > The mid-infrared energy can be converted to energy that can be either used as electrical energy or simply beamed off the planet without affecting the atmosphere. > > I suspect work in the field of metamaterials will expand the options this field of tech. > > Best regards, > > Michael > -- David Appell, freelance science writer e: [email protected] p: 503-975-5614 w: https://urldefense.proofpoint.com/v2/url?u=http-3A__www.davidappell.com&d=DwIBaQ&c=l45AxH-kUV29SRQusp9vYR0n1GycN4_2jInuKy6zbqQ&r=hFjA8A8KwwhQx5qilpfIleTL0XYVr_fckT8DnwIEWlQ&m=dy2A13_wuvWQ7hYFJAiYBxIZ5XjK4UiiFjH6Y-9DfLE&s=UTDyaXwLbJHDijXAF1WPwcioe19gs19vbfPlJJdVYJ4&e= t: @davidappell b: https://urldefense.proofpoint.com/v2/url?u=http-3A__davidappell.blogspot.com&d=DwIBaQ&c=l45AxH-kUV29SRQusp9vYR0n1GycN4_2jInuKy6zbqQ&r=hFjA8A8KwwhQx5qilpfIleTL0XYVr_fckT8DnwIEWlQ&m=dy2A13_wuvWQ7hYFJAiYBxIZ5XjK4UiiFjH6Y-9DfLE&s=3eWh3iBldUHy7nfcLPM_4K8AqyjmYOWirhUV3gl5x04&e= m: Salem, Oregon, USA -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_group_geoengineering&d=DwIBaQ&c=l45AxH-kUV29SRQusp9vYR0n1GycN4_2jInuKy6zbqQ&r=hFjA8A8KwwhQx5qilpfIleTL0XYVr_fckT8DnwIEWlQ&m=dy2A13_wuvWQ7hYFJAiYBxIZ5XjK4UiiFjH6Y-9DfLE&s=OwIerIFJz7Zznxc-ONQCqvjV7FvAc6IjWgzmg3oqSqo&e=. For more options, visit https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout&d=DwIBaQ&c=l45AxH-kUV29SRQusp9vYR0n1GycN4_2jInuKy6zbqQ&r=hFjA8A8KwwhQx5qilpfIleTL0XYVr_fckT8DnwIEWlQ&m=dy2A13_wuvWQ7hYFJAiYBxIZ5XjK4UiiFjH6Y-9DfLE&s=a2PbOFSuH1ozHeVza7CCOQODUzEv1a-aPyCmFkoI_bQ&e=. -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/geoengineering. For more options, visit https://groups.google.com/d/optout.
