The effect of intake channel length on water temperature at the intake point of the power plant at Muara Karang power plant
Muara Karang Power Plant (MKPP) is one of the main power plants on Java Island in Indonesia. Presently, the Jakarta provincial government has issued a reclamation project on Island G in the marine waters around MKPP. This reclamation effort is predicted to lead to a rise in the seawater temperature...
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| Format: | Article |
| Language: | English |
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Diponegoro University
2024-01-01
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| Series: | International Journal of Renewable Energy Development |
| Subjects: | |
| Online Access: | https://ijred.cbiore.id/index.php/ijred/article/view/57680 |
| _version_ | 1797367892203798528 |
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| author | Mardi Wibowo Hanah Khoirunnisa Dinar Catur Istiyanto Aloysius Bagyo Widagdo Khusnul Setia Wardani |
| author_facet | Mardi Wibowo Hanah Khoirunnisa Dinar Catur Istiyanto Aloysius Bagyo Widagdo Khusnul Setia Wardani |
| author_sort | Mardi Wibowo |
| collection | DOAJ |
| description | Muara Karang Power Plant (MKPP) is one of the main power plants on Java Island in Indonesia. Presently, the Jakarta provincial government has issued a reclamation project on Island G in the marine waters around MKPP. This reclamation effort is predicted to lead to a rise in the seawater temperature around the intake, which MKPP will address with the addition of intake channel of 250 - 957 m. Therefore, this study aimed to determine the effect of intake channel extension on the water temperature at the intake point using numerical modeling comprising hydrodynamics and dispersion advection modules. A total of 10 scenarios were modeled by varying intake channel length and season. The result showed that adding intake channel was less effective because the average water temperature was less than 0.24oC with an effectiveness below 0.78%. Based on the validation of the modeling results on the measurement data, the NRMSD values in west and east seasons were 9.13% and 12.63%, respectively. Under existing conditions, the average and maximum seawater temperatures were 31.40oC and 32.08oC. Meanwhile, by extending intake channel, the average and maximum water temperatures were 31.16oC and 31.60oC. These results showed that by extending intake channel, the temperature at the intake point was generally lower than the existing conditions. Intake channel length was more effective in reducing the temperature at the intake point during west monsoon than east monsoon. Vertically, the temperature at the bottom was relatively colder than near the surface. In west monsoon, the average temperature difference between the bottom and the surface ranged from 0.16-0.21oC, while in east, it was between 0.23 and 0.50oC. In conclusion, the addition of subsequent structures to increase effectiveness was necessary, specifically to hold hot water in east monsoon. |
| first_indexed | 2024-03-08T17:24:38Z |
| format | Article |
| id | doaj.art-604ee072558a4288bbe735b1e7056a88 |
| institution | Directory Open Access Journal |
| issn | 2252-4940 |
| language | English |
| last_indexed | 2024-03-08T17:24:38Z |
| publishDate | 2024-01-01 |
| publisher | Diponegoro University |
| record_format | Article |
| series | International Journal of Renewable Energy Development |
| spelling | doaj.art-604ee072558a4288bbe735b1e7056a882024-01-02T22:59:02ZengDiponegoro UniversityInternational Journal of Renewable Energy Development2252-49402024-01-0113113214410.14710/ijred.2024.5768023046The effect of intake channel length on water temperature at the intake point of the power plant at Muara Karang power plantMardi Wibowo0https://orcid.org/0000-0003-3591-8631Hanah Khoirunnisa1https://orcid.org/0000-0003-1267-4785Dinar Catur Istiyanto2https://orcid.org/0000-0002-4036-1623Aloysius Bagyo Widagdo3Khusnul Setia Wardani4Research Center for Hydrodynamics Technology, National Research and Innovation Agency, Surabaya, IndonesiaResearch Center for Hydrodynamics Technology, National Research and Innovation Agency, Surabaya, IndonesiaResearch Center for Hydrodynamics Technology, National Research and Innovation Agency, Surabaya, IndonesiaResearch Center for Hydrodynamics Technology, National Research and Innovation Agency, Surabaya, IndonesiaResearch Center for Hydrodynamics Technology, National Research and Innovation Agency, Surabaya, IndonesiaMuara Karang Power Plant (MKPP) is one of the main power plants on Java Island in Indonesia. Presently, the Jakarta provincial government has issued a reclamation project on Island G in the marine waters around MKPP. This reclamation effort is predicted to lead to a rise in the seawater temperature around the intake, which MKPP will address with the addition of intake channel of 250 - 957 m. Therefore, this study aimed to determine the effect of intake channel extension on the water temperature at the intake point using numerical modeling comprising hydrodynamics and dispersion advection modules. A total of 10 scenarios were modeled by varying intake channel length and season. The result showed that adding intake channel was less effective because the average water temperature was less than 0.24oC with an effectiveness below 0.78%. Based on the validation of the modeling results on the measurement data, the NRMSD values in west and east seasons were 9.13% and 12.63%, respectively. Under existing conditions, the average and maximum seawater temperatures were 31.40oC and 32.08oC. Meanwhile, by extending intake channel, the average and maximum water temperatures were 31.16oC and 31.60oC. These results showed that by extending intake channel, the temperature at the intake point was generally lower than the existing conditions. Intake channel length was more effective in reducing the temperature at the intake point during west monsoon than east monsoon. Vertically, the temperature at the bottom was relatively colder than near the surface. In west monsoon, the average temperature difference between the bottom and the surface ranged from 0.16-0.21oC, while in east, it was between 0.23 and 0.50oC. In conclusion, the addition of subsequent structures to increase effectiveness was necessary, specifically to hold hot water in east monsoon.https://ijred.cbiore.id/index.php/ijred/article/view/57680intake channelpower plantthermal dispersioncooling waterthermal pollution |
| spellingShingle | Mardi Wibowo Hanah Khoirunnisa Dinar Catur Istiyanto Aloysius Bagyo Widagdo Khusnul Setia Wardani The effect of intake channel length on water temperature at the intake point of the power plant at Muara Karang power plant International Journal of Renewable Energy Development intake channel power plant thermal dispersion cooling water thermal pollution |
| title | The effect of intake channel length on water temperature at the intake point of the power plant at Muara Karang power plant |
| title_full | The effect of intake channel length on water temperature at the intake point of the power plant at Muara Karang power plant |
| title_fullStr | The effect of intake channel length on water temperature at the intake point of the power plant at Muara Karang power plant |
| title_full_unstemmed | The effect of intake channel length on water temperature at the intake point of the power plant at Muara Karang power plant |
| title_short | The effect of intake channel length on water temperature at the intake point of the power plant at Muara Karang power plant |
| title_sort | effect of intake channel length on water temperature at the intake point of the power plant at muara karang power plant |
| topic | intake channel power plant thermal dispersion cooling water thermal pollution |
| url | https://ijred.cbiore.id/index.php/ijred/article/view/57680 |
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