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Perhitungan Ketebalan Minimum Isolasi Akibat Rugi Kalor pada Water Heating Tank Untai FASSIP-02

Giarno, GN and M. Hadi Kusuma, MHK and Mulya Juarsa, MJ and Anhar Riza Antariksawan, ARA (2017) Perhitungan Ketebalan Minimum Isolasi Akibat Rugi Kalor pada Water Heating Tank Untai FASSIP-02. Perhitungan Ketebalan Minimum Isolasi Akibat Rugi Kalor pada Water Heating Tank Untai FASSIP-02. pp. 244-248.

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Abstract

Abstrak—Teknologi keselamatan di beberapa desain Pembangkit Listrik Tenaga Nuklir (PLTN) generasi III+ dan IV menggunakan sistem pendingin pasif untuk mengambil panas peluruhan yang dihasilkan oleh reaktor, khususnya pada kondisi kecelakaan. Penelitian dan pengembangan tentang fenomena sistem pendinginan secara pasif telah dilakukan di Pusat Teknologi dan Keselamatan Reaktor Nuklir (PTKRN), Badan Tenaga Nuklir Nasional (BATAN) dengan membuat untai uji Fasilitas Simulasi Sistem Pasif-01 (FASSIP-01). Untai uji tersebut telah dikembangkan dengan mendisain sebuah untai baru yang dinamakan untai uji Fasilitas Simulasi Sistem Pasif-02 (FASSIP-02). Fasilitas uji yang dikembangkan terdiri dari komponen utama yaitu water heating tank (WHT), water cooling tank (WCT), dan sistem pemipaan. Untuk mempelajari fenomena di salah satu komponen utama tersebut, telah dilakukan studi awal dengan simulasi komputer menggunakan software RELAP5. Penelitian yang akan dilakukan adalah melakukan perhitungan ketebalan minimum isolasi pada WHT. Metodologi yang dilakukan dengan mengumpulkan data hasil simulasi pengoperasian untai FASSIP-02, menghitung kerugian kalor di WHT, menghitung temperatur dinding luar WHT dan menghitung ketebalan isolasi berdasarkan ketetapan temperatur isolasi dan rugi kalor yang diijinkan. Hasil perhitungan berdasarkan temperatur dinding luar yang diijinkan sekitar 30 hingga 35C diperoleh ketebalan isolasi minimum sebesar 1,39 cm, sedangkan perhitungan berdasarkan rugi kalor yang diijinkan antara 100 W hingga 1000 W diperoleh ketebalan isolasi minimum sebesar 0,39 cm. Berdasarkan 2 macam perhitungan ketebalan isolasi, semakin tipis ketebalan isolasi maka rugi kalor semakin besar. Kata kunci : Water heating tank, ketebalan minimum, FASSIP-02. Abstract—Safety technologies of several design of generation III+ and IV of nuclear power plants uses passive cooling systems to extract decay heat generation in the reactor, especially during an accident. Research and development on the phenomenon of passive cooling system has been performed at the Center for Nuclear Reactor Technology and Safety, National Nuclear Energy Agency by making the test section of Passive System Simulation Facility-01 (FASSIP-01). The test section has been developed by designing a new section called Passive System Simulation Facility-02 (FASSIP-02). The test facility developed consists of the main components of water heating tank (WHT), water cooling tank (WCT), and piping systems. To study the phenomenon in one of the major components, a preliminary study has been conducted using computer simulation using RELAP5 software. The research that will be done is to calculate minimum insulation thickness on WHT. The methodology undertaken is collecting data from the simulation results of the operation of FASSIP-02 loop, calculating the heat losses in WHT, calculating the WHT's outer wall temperature and calculating the insulation thickness based on the insulation temperature and allowable heat loss. The calculation result based on allowable outer wall temperature of 30 to 35C obatained minimum insulation thickness of 1.39 cm, while calculation based on allowable heat loss 0f 100 W to 1000 W obtained minimum insulation thickness of 0.39 cm. Based on 2 kinds of insulation thickness calculation, the thinner the thickness of the insulation then the greater the heat losses. Keyword : Water heating tank, minimum thickness, FASSIP-02.

Item Type: Article
Subjects: Keselamatan dan Keamanan Nuklir
Divisions: Pusat Teknologi dan Keselamatan Reaktor Nuklir
Depositing User: USER PTKRN BATAN
Date Deposited: 09 Nov 2018 07:00
Last Modified: 09 Nov 2018 07:00
URI: http://repo-nkm.batan.go.id/id/eprint/4802

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