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Recent content by tsgrue

  1. tsgrue

    Generator for microhydroelectric power generation station?

    . Thanks to all who posted. The information has been very helpful. It looks like the system will employ an asynchronous generator. Thanks again! . tsgrue: site engineering, stormwater management, landscape design, ecosystem rehabilitation, mathematical simulation http://hhwq.blogspot.com
  2. tsgrue

    Generator for microhydroelectric power generation station?

    . Electric Wizards, A few notes: 1) Properly designed and installed overshot, backshot, and breastshot waterwheels are very efficient, with 70% to 95% able to be realized over a wide power band. These are not worse or better than turbines, each appropriate on a site-by-site case-by-case...
  3. tsgrue

    Generator for microhydroelectric power generation station?

    . People That Know Electricity, I appreciate all your comments and expertise. It is very beneficial, to say the least. A few bits of information: 1) It is possible to design and install a waterwheel which would have constant speed over the input flow ranges, but in practice it would be rather...
  4. tsgrue

    Generator for microhydroelectric power generation station?

    . People That Know Electricity, I am working on the design for a new microhydroelectric power generation station. The station will be located at an existing pond in a small, urban watershed. The pond has an existing dam with 9+/- feet of available head. The base streamflow is 3+/- cfs and the...
  5. tsgrue

    DWG Base Map Resources? (North Carolina)

    NC Geodetic Survey should be able to provide this to you... www.ncgs.state.nc.us tsgrue: site engineering, stormwater management, landscape design, ecosystem rehabilitation, mathematical simulation http://hhwq.blogspot.com
  6. tsgrue

    Geothermal heat transfer

    . Try some W3 searches for "earth air heat exchanger" and you'll get lots of hits. These are commonly used in many parts of the world... . tsgrue: site engineering, stormwater management, landscape design, ecosystem rehabilitation, mathematical simulation http://hhwq.blogspot.com
  7. tsgrue

    Locating outfall

    . Smoke and dye tracers. . tsgrue: site engineering, stormwater management, landscape design, ecosystem rehabilitation, mathematical simulation http://hhwq.blogspot.com
  8. tsgrue

    French drain - sloping pipe necessary?

    . Water moves from a location of a higher energy state to a location of lower energy state along 'the path of least resistance'. This is the kind of stuff that soil and water focused agricultural engineers generally do - and do well... http://policy.nrcs.usda.gov/RollupViewer.aspx?hid=17092...
  9. tsgrue

    Another mathcad alternative

    . SMath Studio now supports units. It appears to be the best alternative to Mathcad. . tsgrue: site engineering, stormwater management, landscape design, ecosystem rehabilitation, mathematical simulation http://hhwq.blogspot.com
  10. tsgrue

    Convert from "Math Style" to "Spreadsheet Style" equation?

    . Cowski - Thanks very much, I will try out the procedure you described. Everyone else - Thanks for input! . tsgrue: site engineering, stormwater management, landscape design, ecosystem rehabilitation, mathematical simulation http://hhwq.blogspot.com
  11. tsgrue

    Convert from "Math Style" to "Spreadsheet Style" equation?

    . My goal is fairly straightforward, to enter a 'big, long, ugly equation' into a spreadsheet without making parentheses or typographical errors. I am really bad for making such errors and it takes me some time to track down what I've done - usually resorting to splitting the equation into...
  12. tsgrue

    Convert from "Math Style" to "Spreadsheet Style" equation?

    . IDS - You are correct. The aim of the 'excercise' is "...to take an equation in "math style" (presumably from some equation editor) and convert it into a string that could be pasted directly into a spreadsheet." hp48 calculators (the best calculators ever made, especially the 's' series!)...
  13. tsgrue

    Convert from "Math Style" to "Spreadsheet Style" equation?

    . I have EMU48 and some of the ROMs may work, but there is at least one bug with parentheses in the EMU48 ROM I employed, pretty much preventing its usefulness. I was hoping someone knew of an easily available solution. I've used Mathcad since version 6 and regularly use several various other...
  14. tsgrue

    Convert from "Math Style" to "Spreadsheet Style" equation?

    . Sorry for the poor explanation. I would like to find a software application that would allow me to enter equations 'math style' (see Format 1 on uploaded file) - as can be done with Mathcad - and have the software application convert the equation to 'inline' (see Format 2 on uploaded file)...
  15. tsgrue

    Convert from "Math Style" to "Spreadsheet Style" equation?

    . Does anyone know of a software package that will convert big, long, ugly equations entered 'math style' into 'spreadsheet style'? My hp48 can do this using the equation editor and then placing the equation on the stack, but it is a cumbersome process. Does this make sense? Any help is...
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