On 2/8/2017 2:31 PM, andy pugh wrote: > On 8 February 2017 at 19:45, Jim Craig <jimcraig5...@windstream.net> wrote: >> Dowtherm is used in thermal solar power plants. > That sounds a lot less trouble than my molten salt idea. Those are > super-stable at high temp (and relatively inexpensive) but if allowed > to freeze would be very troublesome. > There is a solar power plant southwest of Phoenix Arizona that uses both Dowtherm HTF for solar energy collection and molten salt for thermal energy storage. It is called Solana. I worked on designing some of that plant a few years back. Then of course the HTF is used to transfer heat to a steam generator that actually makes the electricity.
Sun -> OIL -> Steam and Sun -> OIL -> Salt Then when there is no sun it goes Salt-> Oil -> Steam Pretty cool stuff. Darned expensive to build. ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
