Prediction of turbulent heat transfer in a rotating narrow rectangular channel (AR=10) oriented at 120° from the direction of rotation
| dc.contributor.author | Mehaboob Basha N.B | |
| dc.date | 2005 | |
| dc.date.accessioned | 2022-05-18T04:08:45Z | |
| dc.date.available | 2022-05-18T04:08:45Z | |
| dc.degree.department | College of Engineering Sciences and Applied Engineering | |
| dc.degree.grantor | King Fahad for Petrolem University | |
| dc.description.abstract | ﺗﻢ ﻋﻤﻞ دراﺳﺔ ﺣﺴﺎﺑﻴﺔ ﻋﻠﻰ ﺳﺮﻳﺎن ﻣﻀﻄﺮب ﺛﻼﺛﻲ اﻷﺑﻌﺎد واﻧﺘﻘﺎل اﻟﺤﺮارة ﻓﻲ ﻗﻨﺎة دوارة ذات ﺷﻜﻞ 10:1 ﻣﺴﺘﻄﻴﻞ وﻟﻬﺎ ﻧﺴﺒﺔ ﺑﻌﺪﻳﺔ و90˚ ﺑﺰاوﻳﺘﻴﻦ اﻟﺪوران 120˚ ﻣﻦ اﺗﺠﺎﻩ . ﺗﺮآﺰت اﻟﺪراﺳﺔ ﻋﻠﻰ ﺗﺄﺛﻴﺮ اﻟﺪوران اﻟﺴﺮﻳﻊ وﻧﺴﺒﺔ اﻟﻜﺜﺎﻓﺔ اﻟﻌﺎﻟﻴﺔ ﻋﻠﻰ ﺧﺼﺎﺋﺺ درﺝﺔ 120 اﻧﺘﻘﺎل اﻟﺤﺮارة ﻓﻲ اﻻﺗﺠﺎﻩ . ﺗﻢ (Fluent) اﺳﺘﺨﺪام ﺑﺮﻧﺎﻣﺞ واﻟﺬي ﻳﻌﺘﻤﺪ ﻃﺮﻳﻘﺔ اﻟﺤﺠﻢ اﻟﻤﺤﺪود ﻟﺤﺴﺎﺑﺎت اﻟﺴﺮﻳﺎن واﻧﺘﻘﺎل اﻟﺤﺮارة وﻓﻴﻪ ﺗﻢ ﺗﻘﺴﻴﻢ اﻟﻨﻄﺎق اﻟﺤﺴﺎﺑﻲ إﻟﻰ ﺗﻘﺴﻴﻤﺎت ﺹﻐﻴﺮة ﺝﺪا ﻟﺘﺤﻠﻴﻞ اﻟﻄﺒﻘﺔ اﻟﻠﺰﺝﺔ ﺑﺠﻮار اﻟﺠﺪار . ﺗﻢ اﺳﺘﺨﺪام أﻧﻤﻮذج اﻟﺴ رﻳﻨﻮﻟﺪز ﻟﻺﺝﻬﺎد ﻟﺤﺴﺎب ﺮﻳﺎن اﻟﻤﻀﻄﺮب واﻧﺘﻘﺎل اﻟﺤﺮارة ﻓﻲ اﻟﻘﻨﺎة اﻟﺪوارة ﺣﻴﺚ أن هﺬا اﻷﻧﻤﻮذج ﻳﺄﺧﺬ ﺑﻌﻴﻦ اﻻﻋﺘﺒﺎر اﻟﺘﺄﺛﻴﺮات اﻟﻨﺎﺗﺠﺔ ﻋﻦ اﻟﺪوران , آﺬﻟﻚ ﺗﻢ دراﺳﺔ ﺗﺄﺛﻴﺮ اﻟﺪوران واﻟﻨﺴﺒﺔ ﺑﻴﻦ آﺜﺎﻓﺔ ﺳﺎﺋﻞ اﻟﺘﺒﺮﻳﺪ ﻋﻦ اﻟﻤﺪﺧﻞ وآﺜﺎﻓﺘﻪ ﻋﻦ اﻟﺠﺪار ﻋﻠﻰ ﺧﺼﺎﺋﺺ آﻞ ﻣﻦ اﻟﺴﺮﻳﺎن واﻧﺘﻘﺎل اﻟﺤﺮارة وﺗﻢ ﺗﺴﺠﻴﻞ ﻧﺘﺎ ( 0.25 > Ro > 0 ) ﺋﺞ اﻟﺪراﺳﺔ ﻷرﻗﺎم اﻟﺪوران ﻓﻲ اﻟﻤﺪى . (0.4 > ∆ρ/ρ > 0.07) وﻧﺴﺐ آﺜﺎﻓﺔ ﻓﻲ اﻟﻤﺪى اﻟﻨﺘﺎﺋﺞ اﻟﺤﺴﺎﺑﻴﺔ اﻟﺘﻲ ﺗﻢ اﻟﺤﺼﻮل ﻋﻠﻴﻬﺎ ﺗﺘﻮاﻓﻖ ﺑﺼﻮرة ﺝﻴﺪة ﻣﻊ اﻟﻨﺘﺎﺋﺞ اﻟﻌﻤﻠﻴﺔ واﻟﺪراﺳﺔ أوﺽﺤﺖ أن ﻧﺴﺒﺔ اﻟﻜﺜﺎﻓﺔ ورﻗﻢ اﻟﺪوران واﺗﺠﺎﻩ اﻟﻘﻨﺎة ﻟﻬﻢ ﺗﺄﺛﻴﺮ آﺒﻴﺮ ﻋﻠﻰ ﺧﺼﺎﺋﺺ ﻣ ﺠﺎل اﻟﺴﺮﻳﺎن واﻧﺘﻘﺎل اﻟﺤﺮارة ﻓﻲ ﺣﺎﻟﺔ اﻟﻘﻨﺎة اﻟﺪوارة ذات اﻟﺸﻜﻞ اﻟﻤﺴﺘﻄﻴﻞ آﻤﺎ ﻟﻮﺣﻆ ﺣﺪوث ﺳﺮﻳﺎن ﻋﻜﺴﻲ ﻋﻨﺪ اﻟﻘﻴﻢ اﻟﻌﺎﻟﻴﺔ ﻟﺮﻗﻢ اﻟﺪوران وﻧﺴﺒﺔ اﻟﻜﺜﺎﻓﺔ . | |
| dc.identifier.other | 4262 | |
| dc.identifier.uri | https://drepo.sdl.edu.sa/handle/20.500.14154/823 | |
| dc.language.iso | en | |
| dc.publisher | Saudi Digital Library | |
| dc.thesis.level | Master | |
| dc.thesis.source | King Fahad for Petrolem University | |
| dc.title | Prediction of turbulent heat transfer in a rotating narrow rectangular channel (AR=10) oriented at 120° from the direction of rotation | |
| dc.type | Thesis |