تحليل تأثير تحولات زبان‌شناختي بر آرا و رهيافت‌هاي دانش اجتماعي با تأكيد بر تبيين متون ديني

Simulation of T-Shaped Groins at the Inlet of Intakes Using Flow-3D Software

اﺳﺘﻔﺎده از آﺑﺸﮑﻦ در ورودي آﺑﮕﯿﺮ ﺗﺎﺛﯿﺮ ﻗﺎﺑﻞ ﺗﻮﺟﻬﯽ ﺑﺮ اﻓﺰاﯾﺶ دﺑﯽ آﺑﮕ ﯿﺮي دارد. آﺑﮕﯿﺮ ﻫﺎ از ﺟﻤﻠﻪ ﺳﺎزهﻫﺎﯾﯽ ﻫﺴﺘﻨﺪ ﮐﻪ ﺑﺮاي ﺑﺮداﺷﺖ آب از رودﺧﺎﻧﻪﻫﺎ ﻃﺮاﺣﯽ و اﺟﺮاء ﻣﯽﮔﺮدﻧﺪ. از ﺟﻤﻠﻪ ﻧﮑﺎﺗﯽ ﮐﻪ ﺑﺎﯾﺴﺘﯽ در ﻃﺮاﺣﯽ ﻋﻤﻮﻣﯽ آﺑﮕﯿﺮﻫﺎ ﺑﻪ آن اﺷﺎره ﻧﻤﻮد ﻣﻮاردي ﻧﻈﯿﺮ ، ﺗﺄﻣﯿﻦ ﻧﻤﻮدن آب ﺑﻪ ﻣﯿﺰان ﻣﻄﻠﻮب در ﻫﺮ زﻣﺎن، ﺟﻬﺖ رﻓﻊ ﻧﯿﺎزﻫﺎ، ﺑﺪون در ﻧﻈﺮ ﮔﺮﻓﺘﻦ دﺑﯽ رودﺧﺎﻧﻪ اﺳﺖ، ﻣﺸﺮوط ﺑﺮ آﻧﮑﻪ ﻧﯿﺎزﻫﺎ از ﺟﺮﯾﺎن رودﺧﺎﻧﻪ ﺗﺠﺎوز ﻧﮑﻨﻨﺪ. در اﯾﻦ ﺗﺤﻘﯿﻖ ﺑﻪ ﺑﺮرﺳﯽ ﺗﺎﺛﯿ ﺮ آﺑﺸﮑﻦ Tﺷﮑﻞ ﺑﺮ ﺷﺮاﯾﻂ ﻫﯿﺪروﻟﯿﮑﯽ ﺟﺮﯾﺎن در آﺑﮕﯿﺮﻫﺎ ﺑﺎ ﻣﺪل رﯾﺎﺿ ﯽ Flow3D ﭘﺮداﺧﺘﻪ ﺷﺪ. ﻧﺘﺎﯾﺞ ﺣﺎﺻﻞ از آ زﻣﺎﯾﺸﺎت ﻧﺸﺎن ﻣﯽدﻫﺪ ﮐﻪ ﺑﻪﻃﻮر ﻣﺘﻮﺳﻂ ﺑﺎ ﻧﺼﺐ آﺑﺸﮑﻦ Tﺷﮑﻞ 76/6درﺻﺪ دﺑﯽ اﻧﺤﺮاﻓﯽ ﺑﻪ آﺑﮕﯿﺮ ﻧﺴﺒﺖ ﺑﻪ ﻣﺪل ﺷﺎﻫﺪ اﻓﺰاﯾﺶ ﻣﯽﯾﺎﺑﺪ. ﻫﻤﭽﻨﯿﻦ ﺑﺎ اﻓﺰاﯾﺶ ﻃﻮل آﺑﺸﮑﻦ T ﺷﮑﻞ از15 ﺑﻪ 45 درﺻﺪ ﻋﺮض ﻓﻠﻮم درﺻﺪ دﺑﯽ اﻧﺤﺮاﻓ ﯽ 15 درﺻﺪ اﻓﺰاﯾﺶ ﯾﺎﻓﺘﻪ اﺳﺖ

Using groins at the inlet of intake has a significant effect on the intake inflow rate. Intakes are structures designed and built to exploit water from the rivers. Design of an intake is the necessity of supplying adequate amount of water at any time to meet the needs regardless of the flow rate of the river, provided that the needs do not exceed the flow rate of the river. The present study investigates the effect of using T-shaped groins on hydraulic conditions of the flow in intakes using Flow-3D mathematical model. The results show that using T-shaped groins shall result in increasing inflow to the intake on average by 76.6%, compared with control model. Also, increasing the length of T-shaped groin from 15% to 45% of the flume width, shall result in increasing the diverted flow by 15%.