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Recent content by syryanyang

  1. syryanyang

    Need advice on this heating system, thanks guys

    Yes I am not a professional engineer. Im with this community trying to help.people livong in.poor village with no supply of hot water. Yeah.i miswrote that, it should be dark/black surface. what do you think is the “wheel ” for my situation
  2. syryanyang

    Need advice on this heating system, thanks guys

    Hey guys I'm trying to build such a solar heating system that it is drum with two layers, inner one is a metal (aluminium alloy I'm thinking) water container and outer layer is made of polymer, with air gap in-between. When suns come out, it radiates through the polymer and on the metal layer...

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