ﭼﻴﻠﺮ ﺟﺬﺑﻰ ﮔﺎﺯﺳﻮﺯ
ﺻﻔﺤﻪ / 18ﺷﻤﺎﺭﻩ 40
ﻣــﺮﺩﻩ ﺩﺭ ﺩﺍﺧﻞ ﻓﻀﺎﯼ ﺍﺳــﺘﺨﺮ ﺷــﻮﺩ ﻭ
ﺑﻪﮔﻮﻧﻪﺍﯼ ﺧﻮﺍﻫﺪ ﺑﻮﺩ ﮐــﻪ ﺟﺮﯾﺎﻥ ﻫﻮﺍ ﺑﺮ
ﻧﺎﺣﯿﻪ ﺳــﻘﻒ ﻭ ﺩﻭﺭﺗﺎﺩﻭﺭ ﺍﺳــﺘﺨﺮ ﺍﺳﺖ
ﺑﺎﺯﭼﺮﺧﺎﻧــﯽ ﻫﻮﺍﯼ ﺁﻟﻮﺩﻩ ﻣﺤﺘﻮﯼ ﺑﺨﺎﺭﺍﺕ
ﺭﻭﯼ ﺳــﻄﺢ ﺁﺏ ﺍﺳــﺘﺨﺮ ﺣﺪﺍﻗﻞ ﺍﺳﺖ.
)ﺗﺼﻮﯾــﺮ .(39ﺍﺯ ﺍﯾــﻦ ﺭﻭﺵ ﻣﻌﻤــﻮﻻ ﺩﺭ
ﮐﻠﺮ ﺩﺭ ﻓﻀﺎﯼ ﺩﺍﺧﻞ ﺍﺳﺘﺨﺮ ﻧﯿﺰ ﺑﻪ ﺣﺪﺍﻗﻞ
ﺑــﺮﺍﯼ ﺗﻮﺯﯾــﻊ ﯾﮑﻨﻮﺍﺧﺖ ﺟﺮﯾــﺎﻥ ﻫﻮﺍ ﺩﺭ
ﻣﻮﺍﻗﻌﯽ ﺍﺳــﺘﻔﺎﺩﻩ ﻣﯽﺷــﻮﺩ ﮐــﻪ ﺍﻣﮑﺎﻥ
ﮐﺎﻫﺶ ﯾﺎﺑﺪ. ● ﻃﺒﻖ ﺍﺳــﺘﺎﻧﺪﺍﺭﺩ ASHRAE 52.1
ﺳﺮﺗﺎﺳﺮ ﺳﻄﺢ ﺩﺍﺧﻠﯽ ﭘﻨﺠﺮﻩ ﻭ ﺟﻠﻮﮔﯿﺮﯼ
ﺍﺟــﺮﺍﯼ ﮐﺎﻧــﺎﻝ ﺑــﻪ ﺻﻮﺭﺕ ﮐﻔــﯽ ﻭﺟﻮﺩ
ﺍﺯ ﺗﻘﻄﯿﺮ ﺑﺨﺎﺭ ﺁﺏ ﺩﺭ ﮔﻮﺷــﻪﻫﺎ ﻭ ﻟﺒﻪﻫﺎﯼ
ﻧﺪﺍﺷــﺘﻪ ﺑﺎﺷــﺪ .ﻫﻤﺎﻥﻃﻮﺭ ﮐﻪ ﻣﺸﺎﻫﺪﻩ
ﺭﺍﻧﺪﻣــﺎﻥ ﻓﯿﻠﺘﺮﻫــﺎﯼ ﻣﻮﺭﺩ ﺍﺳــﺘﻔﺎﺩﻩ ﺩﺭ
ﺯﯾﺮﯾﻦ ﭘﻨﺠﺮﻩ ،ﻧﯿﺰ ﺑﻬﺘﺮ ﺍﺳﺖ ﻧﺴﺒﺖ ﻃﻮﻝ
ﻣﯽﮐﻨﯿﺪ ،ﺩﺭ ﻫﺮ ﺩﻭ ﺭﻭﺵ ،ﺟﺮﯾﺎﻥ ﻫﻮﺍﯾﯽ
ﺳﯿﺴــﺘﻢﻫﺎﯼ ﺗﻬﻮﯾﻪ ﺍﺳــﺘﺨﺮﻫﺎ ﺑﺎﯾﺪ ﺑﯿﻦ
ﺑﻪ ﻋﺮﺽ ﺍﯾﻦ ﺩﺭﯾﭽﻪﻫﺎ ﺑﯿﺸﺘﺮ ﺑﺎﺷﺪ.
ﮐﻪ ﻣﺴﺘﻘﯿﻤﺎ ﺑﻪ ﺳﻄﺢ ﺁﺏ ﺍﺳﺘﺨﺮ ﺩﻣﯿﺪﻩ ﻣﯽﺷﻮﺩ ﺣﺪﺍﻗﻞ ﺍﺳﺖ.
ﭼﻬﻞﻭﭘﻨﺞ ﺗﺎ ﺷﺼﺖﻭﭘﻨﺞ ﺩﺭﺻﺪ ﺑﺎﺷﺪ. ● ﻃﺮﺍﺣﯽ ﺳﯿﺴــﺘﻢﻫﺎﯼ ﻫﻮﺍﯾﯽ ﺑﺎﯾﺪ
ﺩﺭ ﺍﺳـﺘﺨﺮﻫﺎﯼ ﺳﺮﭘﻮﺷـﯿﺪﻩ
ﺑﻪﮔﻮﻧــﻪﺍﯼ ﺻﻮﺭﺕ ﭘﺬﯾﺮﺩ ﮐﻪ ﺳــﺮﻭﺻﺪﺍﯼ
ﺑـﻪ ﻣﻨﻈـﻮﺭ ﺟﻠﻮﮔﯿـﺮﯼ ﺍﺯ ﺑـﺮﻭﺯ
ﺍﯾﺠﺎﺩ ﺷﺪﻩ ﺗﻮﺳــﻂ ﺁﻥﻫﺎ ﺑﯿﻦ 45−50NC
ﻣﺸـﮑﻼﺗﯽ ﻣﺎﻧﻨﺪ ﻻﯾﻪﻻﯾﻪ ﺷﺪﻥ
ﻣﺎﻧﻨـﺪ ﭘﻨﺠﺮﻩﻫـﺎ ﻭ ﺗﻤﺎﻣـﯽ
ﺑﺎﺷــﺪ .ﻫﺮ ﭼﻨﺪ ﮐﻪ ﺩﺭ ﺍﺭﺯﯾﺎﺑﯽ ﺍﯾﻦ ﻣﺴﺎﻟﻪ
ﻫﻮﺍ ،ﺩﺭﯾﭽﻪ ﻫﻮﺍﯼ ﺑﺮﮔﺸـﺖ ﺑﺎﯾﺪ
ﺑﺨﺶﻫﺎﯾـﯽ ﺍﺯ ﻓﻀـﺎﯼ ﺩﺍﺧﻞ ﮐﻪ
ﺑﺎﯾﺪ ﺗﺎﺛﯿــﺮ ﺍﻧﻌﮑﺎﺱ ﻭ ﺟﺬﺏ ﺍﻣﻮﺍﺝ ﺻﻮﺗﯽ
ﺩﺭ ﺑﯿﺸﺘﺮﯾﻦ ﺍﺭﺗﻔﺎﻉ ﻣﻤﮑﻦ ﺗﻌﺒﯿﻪ
ﻣﺴﺘﻌﺪ ﺗﻘﻄﯿﺮ ﺑﺨﺎﺭ ﺁﺏ ﻫﺴﺘﻨﺪ
ﺗﻮﺳــﻂ ﺍﺟﺰﺍﯼ ﻣﺨﺘﻠﻒ ﺳﺎﺧﺘﻤﺎﻥ ﻣﺎﻧﻨﺪ
ﺷـﻮﺩ .ﺑﻪ ﻃﻮﺭ ﺍﯾـﺪﻩﺁﻝ ،ﺩﺭﯾﭽﻪ
ﺑﺎﯾـﺪ ﺩﺭ ﻣﻌـﺮﺽ ﺟﺮﯾـﺎﻥ ﻫﻮﺍﯼ
ﺩﯾﻮﺍﺭﻫﺎ ،ﮐﻒ ،ﺳــﻘﻒ ﻭ ﻏﯿﺮﻩ ﻧﯿﺰ ﺩﺭ ﻧﻈﺮ
ﻭﺭﻭﺩﯼ ﮐﺎﻧـﺎﻝ ﺑﺮﮔﺸـﺖ ﺑﺎﯾﺪ ﺑﻪ
ﺭﻓﺖ ﻗـﺮﺍﺭ ﺩﺍﺷـﺘﻪ ﺑﺎﺷـﻨﺪ .ﺑﻪ
ﮔﺮﻓﺘﻪ ﺷﻮﺩ.
ﺍﻧـﺪﺍﺯﻩ )3−4.5m (10−15ft
ﺩﺭ ﺗﺼﻮﯾــﺮ ) (38ﯾﮑــﯽ ﺍﺯ ﺭﻭﺵﻫﺎﯼ
ﺑﺎﻻﺗﺮ ﺍﺯ ﺳﻄﺢ ﺍﺳﺘﺨﺮ ﻗﺮﺍﺭ ﮔﯿﺮﺩ.
ﻣﺘﺪﺍﻭﻝ ﻃﺮﺍﺣﯽ ﮐﺎﻧﺎﻝ ﺩﺭ ﺍﺳﺘﺨﺮﻫﺎ ﻧﺸﺎﻥ
ﻗﺮﺍﺭﮔﯿﺮﯼ ﺍﯾـﻦ ﺩﺭﯾﭽﻪ ﺩﺭ ﻓﻀﺎﯼ
ﺩﺍﺩﻩ ﺷــﺪﻩ ﺍﺳــﺖ .ﺩﺭ ﺍﯾﻦ ﺭﻭﺵ ،ﮐﺎﻧﺎﻝ
ﻓﻮﻗﺎﻧﯽ ﺍﺳـﺘﺨﺮ ﺗﻀﻤﯿﻦﮐﻨﻨﺪﻩﯼ
ﺭﻓﺖ ﺍﺯ ﺯﯾﺮ ﮐﻒ ﻋﺒﻮﺭ ﻣﯽﮐﻨﺪ ﺩﺭ ﺣﺎﻟﯽ ﮐﻪ
ﺁﻥ ﺧﻮﺍﻫـﺪ ﺑﻮﺩ ﮐـﻪ ﺟﺮﯾﺎﻥ ﻫﻮﺍ
ﺑﺮﮔﺸــﺖ ﻫﻮﺍ ﺍﺯ ﻧﺎﺣﯿﻪ ﻓﻮﻗﺎﻧﯽ ﻧﺰﺩﯾﮏ ﺑﻪ
ﭘﯿـﺶ ﺍﺯ ﺧﺮﻭﺝ ﺍﺯ ﻓﻀﺎﯼ ﺩﺍﺧﻞ،
ﺳــﻘﻒ ﺍﻧﺠﺎﻡ ﻣﯽﮔﯿﺮﺩ .ﺑﺪﯾﻦﺗﺮﺗﯿﺐ ﺗﻤﺎﻡ
ﺩﺭ ﺳﺮﺗﺎﺳـﺮ ﺁﻥ ﮔـﺮﺩﺵ ﮐـﺮﺩﻩ
ﻓﻀﺎﯼ ﺩﺍﺧﻞ ﺍﺳــﺘﺨﺮ ﺗﺤﺖ ﭘﻮﺷﺶ ﻗﺮﺍﺭ
ﺑﺎﺷﺪ.
ﻣﯽﮔﯿــﺮﺩ ﻭ ﺍﺣﺘﻤﺎﻝ ﺍﯾﺠــﺎﺩ ﻓﻀﺎﯼ ﻣﺮﺩﻩ
ﺗﻤﺎﻣﯽ ﺳـﻄﻮﺡ ﻣﺮﺗﺒـﻂ ﺑﺎ ﺧﺎﺭﺝ
ﻋﻨﻮﺍﻥ ﯾﮏ ﻗﺎﻋﺪﻩ ﺳﺮﺍﻧﮕﺸـﺘﯽ ﻫﻮﺍﯼ ﺭﻓﺖ ﺑﻪ ﺍﺯﺍﯼ ﻫﺮ ﻣﺘﺮ ﻣﺮﺑﻊ ﺍﺯ ﺳـﻄﺢ ﭘﻨﺠﺮﻩ ﺑﺎﯾﺪ 55−73m3/
) hrﺑـﻪ ﺍﺯﺍﯼ ﻫﺮ ﻓﻮﺕ ﻣﺮﺑﻊ ﺑﯿﻦ (3−5cfmﺩﺭ ﻧﻈﺮ ﮔﺮﻓﺘﻪ ﺷﻮﺩ.
ﭘﯽﻧﻮﺷﺖ 1. US Olympic Committee 2. Sheet Metal and Air Conditioning
ﺑﻪ ﺣﺪﺍﻗﻞ ﻣﯽﺭﺳــﺪ .ﺿﻤﻦ ﺁﻥﮐﻪ ﺍﻟﮕﻮﯼ
ﯾﮑــﯽ ﺩﯾﮕــﺮ ﺍﺯ ﺭﻭﺵﻫــﺎﯼ ﻣﺘﺪﺍﻭﻝ
Contractors National Associations
ﺟﺮﯾﺎﻥ ﻫﻮﺍ ﺩﺭ ﺍﯾﻦ ﺷــﯿﻮﻩ ﻃﺮﺍﺣﯽ ﮐﺎﻧﺎﻝ
ﻃﺮﺍﺣــﯽ ﮐﺎﻧﺎﻝ ،ﺍﺟﺮﺍﯼ ﺷــﺒﮑﻪ ﮐﺎﻧﺎﻝ ﺩﺭ
3. Noise Criteria
ﻓﻦﮐﻮﯾﻞ ﺻﺒﺎ ،ﺑﻬﺘﺮﯾﻦ ﻓﻦﮐﻮﯾﻞ ﺍﯾﺮﺍﻧﯽ ﺩﺭ ﺍﯾﺮﺍﻥ ﻭ ﺧﺎﻭﺭﻣﯿﺎﻧﻪ ﻭ ﺗﻨﻬﺎ ﺭﻗﯿﺐ ﺳﺮﺳﺨﺖ ﻓﻦﮐﻮﯾﻞﻫﺎﯼ ﺍﺭﻭﭘﺎﯾﯽ ﺩﺭ ﺍﯾﺮﺍﻥ
ﻳﻜﺘﺎ ﺗﻬﻮﻳﻪ ﺍﺭﻭﻧﺪ ﺍﺻﺎﻟﺖ ﺗﻬﻮﻳﻪ ﻣﻄﺒﻮﻉ