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Thread: Hvac Noob

  1. #1
    Join Date
    Sep 2009
    Location
    Philippines
    Posts
    3

    Hvac Noob

    Good day engineers!

    I am Nelson from philippines and currently studying in Mapua Institute of Technology taking up
    Mechanical Engineering. My group mates and I have a project in our Industrial Plant Engineering,
    and the design that we are supposed to do involves HVAC. But our instructor doesn't teach us
    enough about the HVAC. We are having a hard time finding books or references like ASHRAE
    fundamental, application etc.. We searched the net but we are not convinced that all of it are true
    (or maybe we just dont understand it that well hehehe). Then someone we know told us that it is
    better to learn in online forums where experienced engineers gathers and share knowledge. So
    we hope that you guys can help or guide us in what we are doing or just check if we're doing it wrong.
    Thank you for your time

    -Nelson

  2. #2
    Join Date
    Mar 2004
    Location
    SE Michigan
    Posts
    17,840
    Ok, so what is it that you are doing...whats the HVAC project?
    "Politicians are the lowest form of life on Earth. Liberal Democrats are the lowest form of politician"

    - General George S. Patton

  3. #3
    Join Date
    Mar 2007
    Location
    Madison, Wisconsin
    Posts
    2,260
    Welcome to the forum!
    We like to hinder, I mean help...
    I r the king of the world!...or at least I get to stand on the roof and look down on the rest of yall

  4. #4
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,765
    Welcome.
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  5. #5
    Join Date
    Apr 2007
    Location
    Bangor ME
    Posts
    22

    Smile

    Man I wish i had a dollar for every time i was at a system and said "I wish I had the engineer here that put that there." Welcome to the Boards.

  6. #6
    Join Date
    Dec 2002
    Location
    SouthEast NC ICW & Piedmont Foothills
    Posts
    7,635
    WHAT'S a Noobcake?
    It`s better to be silent and thought the fool; than speak and remove all doubt.

  7. #7
    Join Date
    Mar 2004
    Location
    Janesville WI
    Posts
    419
    Not for sure but I bet its not the same as a noob job

  8. #8
    Join Date
    Nov 2008
    Posts
    1,673
    Quote Originally Posted by jtricor View Post
    Not for sure but I bet its not the same as a noob job
    You should take your dog to a vet.

  9. #9
    Join Date
    Mar 2004
    Location
    Janesville WI
    Posts
    419
    I did and when I picked him up he looked like this, vet is nowhere to be found.

  10. #10
    Join Date
    Nov 2008
    Posts
    1,673

  11. #11
    Join Date
    Sep 2009
    Location
    Philippines
    Posts
    3
    many thanks for the welcome! just got back from school.. hmmm its a 20 storey building, it has a commercial area, clinic, gym on lower floors and residential on upper floors. We are planning to use and air handling unit in lower floors then use window or split types in the residential area.

  12. #12
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    17,921
    Perhaps the info you need to find first is how to make heat load calculations for commercial structures. This is important because you need to determine the correct capacity for whatever kinds of systems you choose.

    Even in the Philippines, you should be able to access academic sources for that kind of informations. Perhaps the University at Sydney Australia could be a help to you.

    http://www.eng.usyd.edu.au/
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    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  13. #13
    Join Date
    Sep 2009
    Location
    Philippines
    Posts
    3
    Yes we'll make the heatload calculation first. we're using the CLTD method in determining out heatload. but since our time is not enough our professor told us that we can use manual calculation on different exposure and occupancy of the building but not all since it would really take some time. so he recommended to use the area method like square meter per ton on different occupancy. After we compute or heatload can i ask for some assistance on selecting equipment? I really think its more than just matching your tonnage and cfm.. i dont know but i guess there's much more correct selection. Thank you guys for helping us! We really appreciate it. *and I'm sorry if im not always online, but I'll visit this site when I got home from school* Thanks again

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