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Recent content by bradyle

  1. bradyle

    Spacers with 2 different thread types

    Hi Dawlo, Thank you for your link, unfortunately the standoff we'd need would be up to 70mm in length and PEM seem to end at 25mm. Hi LitttleInch, Ive attached an image, sorry its a bit terrible but hopefully helps explain it. At the minute we use a self clinching stud which is pressed into...
  2. bradyle

    Spacers with 2 different thread types

    Hi, At the moment we have a process where a spacer is screwed on to a stud (stud is through a metal sheet) and then a tray is located onto the spacer using a standard screw. However we have an issue where the tray needs to be removable and when we go to undo the screw holding the tray in place...
  3. bradyle

    Using Correlation

    Hi! I am doing tests to see if the density of a piece correlates to the % pick up of resin the piece gets as it goes through an impregnation process. I am planning to use Pearson's correlation coefficient for this test. I also want to do a correlation test on the density of the piece and...
  4. bradyle

    Impregnation for Carbon Seals

    Hi, I've recently started in a company and am doing a review of their impregnation process that is used to make their carbon seals non-porous. I was wondering if anyone could point me to some good literature on impregnation, I know the basic stages and whats going on during them but I'm trying...
  5. bradyle

    Temperature that a satellite is subjected to in lower Thermosphere

    Hi, I am designing a satellite for orbit in the lower thermosphere between 320km and 90Km. I am having trouble finding the temperatures that the satellite will reach. I know that while the gases in the atmosphere are in the region of 1000K but because of the near vacuum state there is nearly...
  6. bradyle

    Lime Slurry Viscosity

    Hi thanks everyone! We are a cement factory and are hoping to use the cement kiln dust in the lime slurry, this will then be washed and filtered to remove the salts, leaving a water high in chlorides, which can be used to reduce the HCl admissions. The company that 1st suggested the washing...
  7. bradyle

    Lime Slurry Viscosity

    Yea it's newtonian up until like 38% mixture, sadly since I'm going for 50% mixture it fit's into the non-newtonian phase. I've never had to source a pump for a non newtonian mixture so I don't really know what viscosity to use when sizing the pump. Like it will obviously have to get the fluid...
  8. bradyle

    Lime Slurry Viscosity

    Hi, I'm currently doing research on pumping a lime slurry with a 1:1 of lime to water by weight. I will have roughly 3 tonne of lime an hour. I am trying to find the viscosity of such a slurry but am getting conflicting answers, ranging from 10PaS to 10mPaS. I was wondering if anyone knew...
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