MODELLING AND SIMULATION OF A TYPICAL CROSS FLOW COOLING TOWER
A simplified mathematical model is developed to simulate the thermal performance of a typical 25 MW mechanical draft cross flow cooling tower. The model takes into account the reduction of water flow rate due to evaporation and the variation of air relative humidity along the tower. The model is use...
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| Veröffentlicht in: | Annals of Faculty Engineering Hunedoara 2018-05, Vol.16 (2), p.125-136 |
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| container_title | Annals of Faculty Engineering Hunedoara |
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| creator | Yaseen, Amr Ahmad El-Morshedy, Salah El-Din Elkhatib, Hesham El-Shafei, Masoud Abd El-Hakeem Aboul-Fotouh, Tarek Mohammad |
| description | A simplified mathematical model is developed to simulate the thermal performance of a typical 25 MW mechanical draft cross flow cooling tower. The model takes into account the reduction of water flow rate due to evaporation and the variation of air relative humidity along the tower. The model is used to predict the outlet parameters of water and air through the tower at off design conditions. This tower is used to dissipate heat resulting from fission in the core of a nuclear research reactor. The model is used to obtain the demand and characteristic curves of this tower based on the manufacturer data. To evaluate the thermal performance prediction of the present model a family of performance curves at different water flow rates and cooling ranges are plotted and compared with Merkel model curves, where Merkel model curves are the typical manufacturer curves. Typical experimental data is used to validate the present model. Also the tower capability is determined by the present and Merkel models based on the characteristic curve and performance curves methods. |
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The model takes into account the reduction of water flow rate due to evaporation and the variation of air relative humidity along the tower. The model is used to predict the outlet parameters of water and air through the tower at off design conditions. This tower is used to dissipate heat resulting from fission in the core of a nuclear research reactor. The model is used to obtain the demand and characteristic curves of this tower based on the manufacturer data. To evaluate the thermal performance prediction of the present model a family of performance curves at different water flow rates and cooling ranges are plotted and compared with Merkel model curves, where Merkel model curves are the typical manufacturer curves. Typical experimental data is used to validate the present model. 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| language | eng |
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| source | DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Computer simulation Cooling Cooling curves Cooling rate Cooling towers Cross flow Evaporation rate Flow velocity Humidity Mathematical models Nuclear research Performance prediction Relative humidity Water flow |
| title | MODELLING AND SIMULATION OF A TYPICAL CROSS FLOW COOLING TOWER |
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