Search:

Type: Posts; User: herohero

Search: Search took 0.00 seconds.

  1. Replies
    9
    Views
    3,509

    You can read FGI Guidelines for Design and...

    You can read FGI Guidelines for Design and Construction of Health Care Facilities. This document incorporated the Ashrae Standard 170-2008, Ventilation for Health Care Facilities. Other useful source...
  2. I think the supply air temp need to be lower than...

    I think the supply air temp need to be lower than 43F, because RSHR of the room. With this kind of requirement, I think Trane CDQ is suitable.
  3. Replies
    37
    Views
    1,798

    Believe me, you gonna get crazy if you come to my...

    Believe me, you gonna get crazy if you come to my country, Vietnam :grin2:. In summer, it's about 100F and above 80% RH outside :gah:
  4. Replies
    145
    Views
    34,572

    Sticky: Just put a mark!. I'm the first one in my...

    Just put a mark!. I'm the first one in my location, Hanoi city of Vietnam :).
  5. You means about Bell & Gossett? ...

    You means about Bell & Gossett?

    http://www.bellgossett.com/Press/BG-energycode.asp
  6. Yeah, I got it. I understand that there's always...

    Yeah, I got it. I understand that there's always a gap between the reality and the calculation. However, I like to learn more and more about design, and I want to find out the way to minimize that...
  7. Replies
    2
    Views
    2,670

    In my country, the most common type is...

    In my country, the most common type is rectangular duct and the most common reason is price :D.

    In my knowledge, round duct has lower friction loss than rectangular duct. Besides, it has better...
  8. Thread: New member

    by herohero
    Replies
    21
    Views
    3,221

    Dear CoastalAir: I enjoy this forum in a same...

    Dear CoastalAir: I enjoy this forum in a same purpose like you: learning.

    So, I can post here? it's ok? :D
  9. Replies
    2
    Views
    2,193

    Just do the Google search for you to imagine...

    Just do the Google search for you to imagine easier:
  10. Replies
    19
    Views
    3,500

    You are correct. Though quite safe, it's still...

    You are correct. Though quite safe, it's still possibility of leaking. Safety, i think, is the most common factor when someone thinks about ammonia system.

    Here is article in Ashrae Journal -...
  11. Replies
    50
    Views
    9,211

    So, it would be so kind of you to share with us...

    So, it would be so kind of you to share with us your training documents, thanks in advance :).
  12. Replies
    11
    Views
    2,780

    I'm very interested in refrigeration with...

    I'm very interested in refrigeration with ammonia. Two years ago, I read an article on Ashrae's Journal, its title is "Ammonia Future". There are some examples of using ammonia as an refrigerant in...
  13. Yeah, it's seem that the difference between...

    Yeah, it's seem that the difference between calculation and reality happens everywhere. I'm a Vietnamese and the situation we faced here is pretty like you: change pulley's diameter, pump can not...
  14. Yeah, I understand your way. However, I found...

    Yeah, I understand your way. However, I found that maybe the total friction loss on duct line will higher when we use equal velocity method. This leads to the higher head of fan that we have to...
  15. Replies
    8
    Views
    949

    @larrydfw: He is true :D

    @larrydfw: He is true :D
  16. Which method do you use to calculate air duct, water pipe size?

    In my knowledge, there are two common ways to calculate dimension sizes of air duct and water pipe: Equal friction and Equal velocity.

    I always use equal friction method, because it's seem easier...
  17. Thread: PNEUMATIC PDF

    by herohero
    Replies
    17
    Views
    2,299

    Here are some books on Pneumatic. Pneumatic...

    Here are some books on Pneumatic.

    Pneumatic Handbook (8th Edition) (33Mb).
    http://filefactory.com/file/f2bab7/n/185617249X.zip
    Pneumatic Conveying Design Guide, Second Edition ...
  18. Murphy's Law: HVAC for The Age - Article and its Comments

    I read this article a long time ago, when it published in 2008. The article and its comments are also impressed on me, so I shared it here.
    ...
  19. Replies
    68
    Views
    3,533

    ...Or may be topic's owner misunderstood his...

    ...Or may be topic's owner misunderstood his instructor's saying :D
  20. Replies
    19
    Views
    4,386

    I attached here an Ashrae Journal's Practical...

    I attached here an Ashrae Journal's Practical Guide on "Designing Cleaning Room HVAC System". Hope this can help you a little bit :)

    http://www.datarec.ru/files/schneider.pdf
  21. To easily calculate the drain volume, you can...

    To easily calculate the drain volume, you can refer to the example in attachment:

    Vd= ∆d.g=(0.0225-0.0087).3x1.2=0.04968 kg/s = 2.98 l/s

    of which: ∆d: Moisture content difference; g: weight of...
Results 1 to 21 of 23
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event