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DanielleFong's profile
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@DanielleFong

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@DanielleFong

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Empire of the Future
Joined February 2008

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    1. Palladium Magazine‏ @palladiummag 12 Oct 2020
      Replying to @NickPinkston @CarnotCompress

      Biggest thing people will miss in investing here: if this works, it has a strong chance of becoming very cheap very high capacity energy storage for renewables and grid stabilization: isothermal compression is EFFICIENT. This is a huge opportunity and only getting bigger.

      1 reply 1 retweet 1 like
    2. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
      Replying to @palladiummag @CarnotCompress

      This was the idea behind LightSail actually, but it's a really hard problem. I'm sure @DanielleFong could regale us with crazy stories.

      1 reply 0 retweets 2 likes
    3.  🤷🏻‍♀️‏ @DanielleFong 12 Oct 2020
      Replying to @NickPinkston @palladiummag @CarnotCompress

      we did a 200 bar two stage compressor with water spray, it was reciprocating, not a centrifugal, we did custom water injectors and valves so that we could compress and expand across a wide range of pressures worked well, problem was consistency of funding

      2 replies 0 retweets 1 like
    4. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
      Replying to @DanielleFong @palladiummag @CarnotCompress

      Yea, I've been there too... There's more funds talking about industrial tech, but most just want to fund the software around the edges. Unaware of anyone specializing in doing fundamental engineering investments. May be hard to get dealflow bc the community isn't built out yet.

      1 reply 0 retweets 1 like
    5.  🤷🏻‍♀️‏ @DanielleFong 12 Oct 2020
      Replying to @NickPinkston @palladiummag @CarnotCompress

      find a way to profit early, do software first, or work with elon, i guess the biggest meta mistake was the idea that, having demonstrated the tech working at the most extreme physics regimes, VCs and industrials will invest, having removed the science risk. actually...

      3 replies 0 retweets 1 like
    6. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
      Replying to @DanielleFong @palladiummag @CarnotCompress

      I also find the industrials (especially in the mfg. space) have little/no risk capital. They just want to pick the fruit that ripens, not water any seeds. They also view a lot of startups as possible competitors and don't understand how to work with them.

      1 reply 0 retweets 2 likes
    7. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
      Replying to @NickPinkston @DanielleFong and

      BTW @DanielleFong, did you see the @carnotcompress folks on this thread before? I'd be interested to get your take.

      1 reply 0 retweets 1 like
    8.  🤷🏻‍♀️‏ @DanielleFong 12 Oct 2020
      Replying to @NickPinkston @palladiummag @CarnotCompress

      i think i saw them waaaay back when. we had simular ideas and even iirc patented some but the physics of how water droplets actually behave in a centrifugal compression cycle is really complex, so it’s an experimental and design program. you can’t just use reg design rules...

      2 replies 0 retweets 0 likes
    9.  🤷🏻‍♀️‏ @DanielleFong 12 Oct 2020
      Replying to @DanielleFong @NickPinkston and

      for centrifugal compressors, the multiphase flow makes it rather different. the difference between < 25 micron droplets and larger ones is extreme, the larger droplets will rapidly exit the flow, so you need very well developed nozzle tech also

      1 reply 0 retweets 0 likes
    10. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
      Replying to @DanielleFong @palladiummag @CarnotCompress

      Yea that makes sense, but was definitely not my first thought. I'm sure there's so many things like this.

      2 replies 0 retweets 0 likes
       🤷🏻‍♀️‏ @DanielleFong 12 Oct 2020
      Replying to @NickPinkston @palladiummag @CarnotCompress

      centrifugal compressors primarily differ from axial flow in the direction of flow, they don’t really use the centrifugal force much, so it might be different from how you‘d expect there’s a droplet waterfall compressor called a tromphe, but this is not like a centrifugal tromphe

      5:56 PM - 12 Oct 2020
      0 replies 0 retweets 0 likes

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