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Journal : Jurnal Rekayasa Proses

Analisis Eksperimental Fluks Kalor pada Celah Sempit Anulus Berdasarkan Variasi Suhu Air Pendingin Menggunakan Bagian Uji HeaTiNG-01 Bambang Riyono; Indarto; Sinta Tri Habsari; Mulya Juarsa; Kiswanta; Ainur R.; Edy S.; Joko P.W.; Ismu H.
Jurnal Rekayasa Proses Vol 5, No 1 (2011)
Publisher : Departemen Teknik Kimia Fakultas Teknik Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (848.551 KB) | DOI: 10.22146/jrekpros.1895

Abstract

Eksperimen untuk mempelajari mekanisme perpindahan panas pendidihan pada celah sempit berdasarkan skenario kecelakaan parah PLTN TMI-2 perlu dilakukan untuk pemahaman terkait manajemen kecelakaan. Penelitian bertujuan untuk memperoleh nilai fluks kalor dan fluks kalor kritis (FKK) selama proses perpindahan panas pendidihan pada celah sempit anulus. Metode penelitian secara eksperimen menggunakan bagian uji HeaTiNG-01dengan fluida pendingin adalah air. Eksperimen dilakukan dengan memvariasikan suhu air pendingin pada suhu 75C, 85C dan 95C, dan memanaskan batang panas hingga mencapai suhu awal 650C. Kemudian proses pendidihan selama pendinginan direkam berdasarkan suhu transien pada batang panas. Data suhu digunakan untuk menghitung nilai fluks kalor dan wall superheat, hasilnya direpresentasikan melalui kurva didih. Hasil penelitian menunjukkan nilai FKK suhu pendingin 750C lebih rendah dibandingkan FKK suhu pendingin 85C dan 95C, dimana nilai FKK untuk suhu pendingin 85C dan 95C agak berdekatan. Nilai FKK maksimum untuk suhu 75C adalah 230 kW/m2, sedangkan untuk suhu 95C adalah 282 kW/m2. Meskipun demikian korelasi FKK terhadap posisi aksial batang panas pada berbagai variasi suhu mengikuti korelasi polynomial. Peristiwa pendidihan pada celah sempit tidak termasuk kategori didih kolam dengan membandingkan area didih film hasil eksperimen menggunakan korelasi Bromley. Kata kunci : kecelakaan parah, anulus, fluks kalor, FKK, celah sempit, didih kolam Experiment to investigate the mechanism of boiling heat transfer in a narrow gap on severe accident scenarios of TMI-2 nuclear power plant is necessary to develop the understanding of the related accident management.The present study aimed to obtain heat flux value and critical heat flux (CHF) during boiling heat transfer process in a narrow gap of annulus. The study was experimentally carried out using the HeaTiNG 01 test with water as cooling fluid which temperature was varied at 75C, 85C dan 95C. The rod was heated to 650C. The boiling process during cooling was investigated by recording the transient temperature of the heated rod. The data was used to calculate the heat flux and wall superheat which results were represented in a boiling curve. The experimental results showed that the CHF value of the cooling media at 75C was lower compared with that of at 85C and 95C. It was found that the values of CHF at 85C and 95C were close. The maximum CHF value at 75C was 230 kW/m2, while at 95C was 282 kW/m2. The CHF values at various position of heated rod was found to follow polynomial correlation. By comparing the boiling film areas from experimental results with that of Bromley correlation, it was concluded that boiling process in a narrow gap could not categorized as pool boiling process. Keywords: severe accident, annulus, heat flux, CHF, narrow gap, pool boiling
Co-Authors -, Joko A R Antariksawan A. Hafid A.A, Andrea Shevaladze A.R, Esa Putra Abd. Rasyid Syamsuri Adhika E. P. Adhika E. P. Adhika Enggar Pamungkas Adrian, Hilman Ahmad Rofiq Sofyan Ainur R. ainur rosidi Ainur Rosidi Ainur Rosidi Ainur Rosidi Ainur Rosidi Ainur Rosidi Ainur Rosidi Ainur Rosidi, Ainur Alhuda, M Raffi Almadesya Rinaldi Almira Citra Amelia Amelia, Almira Citra Amirruddin Amirruddin Andi Sofrany Ekariansyah Andrea Shevaladze Al Amin Anggraini, Yeni Anhar R. Antariksawan, Anhar R. Anhar Riza Antariksawan Anhar Riza Antariksawan Anhar Riza Antariksawan Anhar Riza Antariksawan Arif Gunawan, Hyundianto Arno, Giarno Arya Adhyaksa Waskita Baiquny, Ariq Hafizh Bambang Heru Bambang Riyono Budiman, Arif Adtyas Budiyanto, Nur Rochman Cukup Mulyana Cukup Mulyana D. H. Salimy Dedy Haryanto Dedy Haryanto Dedy Haryanto Dedy Haryanto Dedy Haryanto Dedy Haryanto Dedy Haryanto Dedy Haryanto Dedy Haryanto Dedy Haryanto Haryanto Deendarlianto Defri Sulaeman Dian Ariswara Dimas, Dimas Dinan Andiwijayakusuma Dr.Anhar Riza Antariksawan Dwi Yuliaji Edi Marzuki Edi Marzuki Edi Marzuki Edy Marzuki Edy S Edy S. Edy Sumarno, Edy Enggar Pamungkas, Adhika Erlanda Kurnia Faturahman, Rangga Aditya Fauzan, Muhammad Ahsan Fauzi Ahmad Muda G B Heru Kusmoyo G. B. Heru K. G. B. Heru K. G. Bambang Heru K G. Bambang Heru K. G.B. Heru K G.B. Heru K G.B. Heru K Giarno . Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Giarno Gregorius Bambang Heru Gregorius Bambang Heru Gregorius Bambang Heru Gregorius Bambang Heru Kusnugroho Gunawan, Hyundianto Arif Hendro Tjahjono Hendro Tjahjono Hendro Tjahjono Hendro Tjahjono I Ketut Adi Sugita I Nyoman Suprapta Winaya I. D. Irianto Ign. Djoko Irianto Ignatius Djoko Irianto, Ignatius Djoko IGNB. Catrawedarma Indarto - Indarto - Indarto Indarto Indarto Indarto Intan Parwati Ismu H Ismu H. Ismu Handoyo Januar Akbar Joko P W Joko P.W. Joko Prasetio Joko Prasetio Joko Prasetio Witoko Joko Prasetyo Joko Prasetyo Joko Prasetyo Witoko K, G.B Heru K, G.B. Heru Keis Jury Pribadi Keis pribadi Kharisma, Sunandi Kiswanta Kiswanta - Kiswanta . Kiswanta Kiswanta, Kiswanta Kusigit Susanto KUSNUGROHO, GREGORIUS BAMBANG HERU Kussigit Santosa Santosa Lovini Gabriella N Lutfi Fitria Ningsih M Hadi Kusuma M. Hadi Kusuma Mahran Noufal Maryadi , Shendy Akbar Maryadi, Shendy Akbar Maulana, Jodi Meikayani, Jentik Michael Johanes, Jeff Mokhamad Nur Khasan Moniaga, Prya Muhamad Yulianto Muhammad Hadi Kusuma Mukhsinun Hadi Kusuma Muliawandana, Suhandi Nandy Putra Nandy Putra Nandy Setiadi Djaya Putra Nasution, Annio Indah Lestari Nathaniel Ezer Putra Darmawan Nitiamijaya, Devita Oktaviandi, Ryan P, Adhika Enggar Pamitran, Agus Sunjarianto PAMUNGKAS, ADHIKA ENGGAR Persada Putra, Wiguna Pitanova, Thasyah Pramono, Gatot Eka Prasetio, Dimas Prayogo, Kukuh Puradwi I W Puradwi Ismu Wahyono Putera Moniaga, Pryawrata Putra Ariesta, Esa Putra, Esa Putra, Muhammad Ganjar Putu Brahmanda Sudarsana Putu Brahmanda Sudarsana Putut Hery Setiawan Raden Mohamad Herdian Bhakti Rahayu Kusumastuti Rahayu Kusumastuti Rahayu Kusumastuti Kusumastuti Raldi Artono Koestor Renaldy Sharin Lesmana Restiya Maulana Ridho Irwansyah Rio Budi Syaka, Darwin Rio Natanael Wijaya Ririn Fitriana Riska Khalisa Rosaldi Pratama Roswandi, Iwan Roy Waluyo Rudi Irawan Sanda Sanda Sanda Sinta Tri Habsari Siti mariam Sri Ismarwanti, Sri Sriyono Sriyono Sriyono Sriyono Suhendra Suhendra Sukarno, Ragil Sukmanto Dibyo Sumantri Hatmoko Sumantri Hatmoko Hatmoko Surip Widodo Surip Widodo Surip Widodo Surip Widodo Surip Widodo Widodo Susyadi Susyadi Tachli Supriyadi Topan Setiadipura Totok Dermawan Try Hutomo Putra Try Hutomo Putra Valentina, Pricylia Veronica Indriati Sri Wardhani, Veronica Indriati Sri Wahyuni, Asri Wayan Nata Septiadi WITOKO, JOKO PRASETIO Yadi Yunus Yogi Sirod Gaoz Yogi Sirodz Gaos Yogi Sirodz Gaos, Yogi Sirodz Zuliantoni, Zuliantoni