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Recent content by Robski

  1. Robski

    Friction increase on Aluminium/Steel interface due to water

    Thanks Gents. Lubricant is not an option as the aluminium is a material that we handle and cannot get dirty for various reasons. I was more interested if anyone knew if the friction between these metals was likely to increase due to water?
  2. Robski

    Friction increase on Aluminium/Steel interface due to water

    G'day all, My question is simple: We have a situation where steel is sliding across aluminium. When the "system" is dry the steel slides reasonabley well across the aluminium, but once the system is wet the friction appears to increase and the steel won't slide across the aluminium...
  3. Robski

    Water temperature change due to sun light

    Folks, Thanks for your input. I thought that this may be the case, I wrote a list of all the possible variables and as you have described, there are so many that can vary from minute to mintute that the average benefit/detriment is very difficult to calculate. The intention is to try and...
  4. Robski

    Water temperature change due to sun light

    G'day, I am after a formulae set or model that will calculate the temperature change of a body of water of given dimensions due to the radiant heat transfer from the sun. I have just installed some cooling towers that output the cooled water into a large storage pond. This pond may be...

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