KUSNANTO, ANDAR (2023) PEMODELAN DINAMIK PENUKAR KALOR TIPE REGENERATOR UNTUK APLIKASI GLASS FURNACE. Master thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
The melting process in the glassmaking industry requires high energy to keep melting temperaturs around 1600-1700 0C. That process is occur in a Glass Furnace. From this process, exhaust gases are obtained with a temperatur around 1350 – 1500 0C. With these extremely high temperaturs, it is possible to reuse the heat from combustion air by using a device that stores heat called a regenerator. Selection of the best operating conditions in the regenerator will increase efficiency in the Glass Furnace. This phenomenon gave rise to an idea to create mathematical modeling to find out the best operating operating conditions achieved in the Glass Furnace regenerator. Modeling of the Glass Furnace regenerator has been carried out but the modeling describes only one cycle and not dynamic. A dynamic modeling approach was used in this study. Mathematical models of dynamic behavior are usually used to describe quantitatively the dynamic behavior of the regenerator during the backand- forth processes. The air flow rate, regenerator dimensions, number of cell regenerators, and the selection of the appropriate switching time (ST) value were evaluated in this study. This simulation was conducted using the lite 7 versions of FlexPDE software. The best conditions are indicated by the lowest gas and solid temperatur profiles in the regenerator. The simulation results show that the longer the regenerator switching time could linear the temperatur inclining in the 2 phases. The selection of the appropriate flow rate, dimensions, and number of regenerators affects regenerator performance. As a result of this study, the best operating conditions were found in a honeycomb-checker type regenerator operating at ST 2 minutes, a flow rate of 6000 kg/hour, dimensions, and the number of regenerators at 5 meters and 250 honeycomb cells. Keywords: Simulation, Regenerator, Glass Furnace, dynamic model, switching time.
| Item Type: | Thesis (Master) | |||||||||
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| Additional Information: | Andar Kusnanto, 2022, Pemodelan Dinamik Penukar Kalor Tipe Regenerator untuk Aplikasi Glass Furnace. Program Studi Magister Teknik Kimia, Pascasarjana Universitas Sultan Ageng Tirtayasa. Teguh Kurniawan, Alia Badra Pitaloka Proses peleburan di industri kaca membutuhkan energi yang tinggi untuk menjaga temperatur pelelehan di sekitar 1600-1700 0C. Proses tersebut terjadi di sebuah tungku yang dinamakan Glass Furnace. Dari proses tersebut didapat gas buang dengan temperatur 1350 – 1500 0C. Dengan temperatur yang sangat tinggi tersebut, potensial dimanfaatkan kembali untuk memanaskan udara pembakaran dengan menggunakan alat yang disebut regenerator. Pemilihan kondisi operasi yang tepat di regenerator akan meningkatkan efisiensi di Glass Furnace. Fenomena ini memunculkan suatu ide untuk menciptakan pemodelan matematika untuk mengetahui kondisi operasi terbaik yang dicapai di Glass Furnace regenerator. Pemodelan terhadap regenerator telah dilakukan tetapi pemodelan hanya satu siklus/statis dan tidak dinamik. Penelitian ini menggunakan pemodelan dinamik. Pemodelan dinamik yaitu pemodelan matematika yang mendeskripsikan secara kuantitatif kelakuan dinamik selama proses pembolak-balikan arah regenerator. Penelitian ini diuji pengaruh laju alir udara, dimensi regenerator, jumlah cell regenerator dan pemilihan nilai switching time (ST) yang terbaik terhadap unjuk kerja regenerator. Simulasi menggunakan software FlexPDE versi lite 7. Kondisi terbaik dilihat dari profil temperatur gas dan padatan terendah di regenerator . Hasil simulasi menunjukkan bahwa semakin lama waktu switching regenerator semakin linier terhadap kenaikan temperatur di 2 fasa. Pemilihan laju alir, dimensi dan jumlah regenerator yang tepat mempengaruhi kinerja regenerator. Akhirnya dari penelitian ini didapatkan kondisi operasi terbaik di regenerator tipe honeycomb- checker di ST 2 menit, laju alir 6000 kg/jam, dimensi dan jumlah regenerator di 5 meter dan 250 cell honeycomb. Kata kunci: simulasi, regenerator, Glass Furnace, model dinamik, switching time | |||||||||
| Subjects: | T Technology > TP Chemical technology | |||||||||
| Divisions: | 08-Pascasarjana 08-Pascasarjana > 84104-Magister Teknik Kimia |
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| Depositing User: | Mr Andar Kusnanto | |||||||||
| Date Deposited: | 01 Feb 2023 14:41 | |||||||||
| Last Modified: | 01 Feb 2023 14:41 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/20598 |
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