iTNG DUNG CAC PHAN UtU VISA VA RELAPS NGHIEN c i r u THUY N H I E T NHA MAY D I £ N HAT NHAN L O NU"6C AP L i r e VVER-IOO'O DUONG NGOC HAl''^ NGUYEN TAT THANG' ' Vien Ca hgc 264 - Dgi Cdn Ba Dinh, Ha Ngi, Vi?t Nam ^Truong Dgi hgc Cdng nghe - I^Qi bgc Qudc gia Hd Ngi ntthang@imech.ac.vn Abstract; This paper presents an overview of the VISA (Visual System Analyzer) and RELAP5 (Reactor Excursion and Leak Analysis Program, version 5) softwares Preliminary results of modellings, simulations and calculations of the thermal hydraulic system of a practical VVERtype PWR nuclear power plant (NPP) using these softwares are presented as well This research has important practical implications, especially for the nuclear power plant that will be built in Ninh Thuan, Vietnam The reactors adopted in the Ninh Thuan NPP would be the Russian VVER PWR At this point, our research is a basic important step towards a practical study case TCr khoa: VISA, RELAP5, Nuclear Reactor, PWR, Nulcear Power Plant (NPP), Thermal hydraulic VVER-1000 Ninh Thugn NPP I MO DAU Cac chuong trinh tinh toan mo phong thuy nhiet uoc lucmg tot nhat (vi du Relap5) da dugc phat trien tir kha lau va cang dugc hoan thien nham mo hinh hoa he thong thuy nhiet 16 phan ung va nha may dier hat nhan, cGng nhu tinh toan va mo phong cac hien tugng thuy nhiet quan trong nha may dien hat nhan Viec ung dung, sir dung cac chuong trinh CO xu huong gioi ban cac nhom chuyen gia Su phat trien nhanh cua may tinh cho phep cac chuong trinh tinh toan co the chay tot tren may tinh ca nhan tao diSu kien cho viec cap chiing rgng rai Tuy vay mgt ban che Ion \h\ t6n tai la viec chuan bi file so lieu dau vao cho chung thucmg phuc tap va d l co sai sot Chuong trinh VISA da dugc KAERI va KHNP Han Quoc hgp tac phat trien de thuc hien nhiem vu la mgt giao dien hga tien dung giiip nguoi su dung co the khai thac hieu qua ban cac chuong trinh tinh toan mo phong thuy nhiet [1] VISA co the tich hgp dugc voi chuong trinh: MARS, RETRAN3D va RELAP5 O day chung toi chi nghien cuu, tim hieu kha nang lam viec va h6 trg cua VISA cho RELAP5 (VISA_RELAP5) Cac dac tinh co ban cua VISA bao g6m [2]: - dam bao tinh nguyen ven ciia dir Heu d^u vao cua RELAP; - dir lieu dau vao co the dugc chinh sua, tao moi mot each tuong tac thong qua hop thoai; - chiic nang mo ta d6 hga online (Mimic) dua tren k£t qua tinh toan ciia RELAPS; - chiic nang mo phong cac thao tac ciia cac nhan vien van hanh nhu dong, mo van v.v Chuong trinh VISA co nhieu chiic nang manh ho trg nguoi sii dung mo phong, tinh toan thiiy nhiet va danh gia an toan nha may dien hat nhan [3] Phan quan trgng nh4t la viec lam chu hoan toan chucmg trinh RELAP5 la khong thS thiSu va dS dugc Phong Thuy Cong nghiep va Moi tmcmg Luc dia, Vien Co hgc thuc hien tir kha lau [4-10] Nghien ciiu ap dung VISA_RELAP5 cho nha may dien hat nhan ki^u 16 VVER ciia Nga la mgt nhiing buoc tiep theo gop phan xay dung fi^m luc nghien ciru thiiy nhiet va lam chu cong nghe 16 Hdi nghi Khoa hgc vd Cdng nghe hgt nhdn todn qudc Idn thir IX, Ninh Thudn 18-19/8/2011 14 WER ma Nga se chuyen giao cho Viet Nam tuong lai Kieu 16 c6 mgt s6 dac trung CO ban khac voi kieu 16 nuoc ap luc PWR ciia phuong Tay la co cac binh sinh hoi nSm ngang (thay vi kieu diing o 16 PWR), cac vong tuan hoan lam mat co van co lap dk co thk dong mgt (hoac mgt so) v6ng 16 boat dgng a cong suat thap II SO LLTOC VE CAC CHUONG TRINH VISA vA RELAP5 l.VISA Chuong trinh giao dien hga VISA dugc tich hgp voi RELAPS (va cac chuong trinh tinh toan mo phong thuy nhiet khac) thong qua viec bo sung, sira doi cac ham lien quan den vao/ra (khong lien quan den cac ham tinh toan) cac thu vien lien ket dong DLL (Dynamic Link Library) cua cac chuong trinh tinh toan mo phong ^~~7 DO'llfu Chi ^ 1— I |o RELAPS p - FN?tinht o i n d l p f x e m U ••nfff H , ^IJSliiJmB^ ' d i u v i a h ^ thdng d i i u k h i i n ; T h i y dm d i r li^u h i n h h9C d i u v i o | | ; I T r i n h t o a n t h a o v i n b i n kem t h e o | | Bang b i l u i | r ll™-"-""""'""'"! i ||T»oeieehilhikils6,kim) { M D phong d i h o a d i y d u •11 —\\Uin i j i i^'i.""""-1 | Cac c i n so p •opup Cong s u i t L m j l u v n B eke dong | • JTham t d i i u k h i l n cua u » r git ^ n t i h van| - Mo p h o n g Hi h^a/node h 6a ; 1 Cac dang d i t h j q u a n h ^ °"g ncujMcngjt ^ — - " ' " k i t c i c t h i Uch dteu k h i i n | | I ; ; | -H ' , Cac b i a n M ^ n o r a d i t cua REI-APS | ' Hinh Cdu true chuong trinh VISA (hinh tham khao theo [2]) Cac chiic nang chinh cua VISA co the tom tat gom: - Quan ly cac file vao ra, cac file hga, lira chgn he don vi cua dau (Project) - Tien xir ly (Pre-processor) cho phep thuc hien viec xem, soan thao va thay doi cac thong so he thong dieu khien, cac tham so hinh hgc he thong thiiy nhiet - Thuc thi cac chuong trinh tinh toan cho phep tinh toan mo phong, xem ket qua true tiep va xem lai cac tinh toan truoc qua cac thi, cac mo phong hoa (Mimic) - Xem ket qua dau qua he thong mo ta hga, he thong thi quan he giira cac bien (thong thuang la theo bien thoi gian), he th6ng thong bao trang thai cua cac ngat (Trip) - Dieu khien tuong tac cho phep mo phong thao tac thirc te cua nhan vien van hanh nha may Thao tac van hanh, digu khiSn he th6ng thuy nhiet c6 thi dugc can thiep g6m loai: ngat (tat/mo), dien tich van, luu lugng dong cac 6ng dan va cong suit Phan III cua bao cao trinh bay cu tbl ve tinh toan mo phong thuy nhiet nha may dien hat nhan su dung VISA_RELAP5 Cac giao dien co ban ciia VISA se dugc trinh bay 144 Hdi nghi Khoa hgc vd Cdng nghe hgt nhdn todn qudc idn thu IX Ninh Thudn 18-19/ RELAPS Nghien ciiu, tim hilu va ap dung chuong trinh RELAPS da dugc thuc hi^n nhieu nghien cihi truoc day va se khong dugc neu chi ti^t day Chi tiet \h tim hilu chuong trinh tinh, tinh toan thu nghiem, ling dung co the tham khao [4-10] RELAPS tich hc^ VISA CO phien ban Mod 3.2 voi mgt so bo sung, thay doi cac thu vien lien ket d6ng DLL dk kk noi voi cac tien ich cua VISA Ve chuong trinh, co so toan hgc, phuong phap s6, hucmg dan sir dung, v.v co the tham khao day dii cac tai lieu RELAPS [11] III TINH TOAN, MO PHONG HE THONG THUY NHIET NHA MAY DIEN HAT NHAN LO NUCJC AP LUC VVER SU" DUNG PHAN MEM VISA VA RELAPS L6 VVER la 16 nuoc ap lire ciia Nga co nhieu diem tuong dong voi 16 nuoc ap luc PWR ciia phuong Tay va dugc Nga day manh xuat khau Trong so cac thi truong tiem nang, Viet Nam da ky hgp dong thue Nga xay dung nha may dien hat nhdn tai Ninh Thuan Viec tim hieu va nam dugc cong nghe 16 VVER ciing nhu cac nghien ciiu mo hinh hoa, tinh toan, mo phong he thong thiiy nhiet nha may dien hat nhSn 16 VVER va phan tich an toan co y nghia quan va het siic thiet thuc hien I Cau true he thong 16 VVER He thong cong nghe 16 VVER dugc phan tich nghien ciiu thuoc thiet ke 16 VVER-ioOO (cong su4t 1000 MWe) Hinh trinh bay so d6 h? th6n^ thiiy nhiet ciia m6t 16 VVER-1000 dien hinh So voi 16 PWR cua phuong Tay co the thay rang khac biet co ban la 16 VVER-1000 dugc trang bi them cac van co lap MGV va h | thong binh sinh hoi nam ngang (Hinh 2) Bang duoi day trinh bay cac tham s6 16 VVER-IDOO/ V-338 Bdng Cdc thdng sd chinh cua Id WER-lOOO/V-338 Cong suat nhiet Ap suat he thong chat tai nhiet So v6ng tuan hoan lam mat Luu lugng chat lam mat qua 16 phan ling Nhiet chat lam mat di vao 16 phan ling Nhiet chat lam mat di kh6i 16 phan ung 3000 MW 15.7 MPa 84800 m-'/b 289.7 "C 320 "C Hinh He thong thiiy nhiSt Id WER-1000 (kiiu binh sinh hai ndm ngang) [12] Mo liinh lioa So d6 node hoa he thdng 16 VVER-1 OOOA'-SSS biSu diln VISA g6m vong lam Hdi nghi Khoa hgc vd Cdng nghe hgt nhdn todn qudc Idn thu IX Ninh Thudn 18-19/8/2011 145 mat tuan hoan gom: thimg 16, vong tai nhiet, binh dieu ap, binh sinh hoi, he thong ong dan hoi, cac he thSng thu gom trir hai, cac van an toan, van xa he thong sinh hai (Hinh 3) i Bmn Btiu afp •iji^jt a ' a : a a g Q^iK^A •w Comral I Trand GfAph [ : L Hir.gJ Hinh So node hoa he thdng thuy nhiet Id phdn ung WER-lOOO/V-388 Chiic nang mo ta hga Mimic qua trinh tinh toan mo phong hay xem lai (Replay mode) cho phep nguoi sir dung theo doi true tiep dien tien cua trang thai thiiy nhiet So mimic doi voi 16 phan ling VVER-1000 da dugc chiing toi xay dung nhu Hinh *e a oa nQ Hinh •/ Md phong dd hga he thdng thiiy nhiet Id WER-1000 sii dung chicc ndng Mimic Mot so ket qua bird'c dau tinh toan mo phong he thong thuy nhiet nha may Tinh toan, mo phong buoc dau duoc thuc hien 16 hoat dpng miic cong suSt hSng 146 Hdi nghi Khoa hgc vd Cdng nghe hgt nhdn todn qudc idn thir DC Ninh Thudn 18-1 s6 3000MW Tinh toan cho thay 16 dat trang thai dimg sau khoang 100 giay Cac hinh ve duoi day cho thay cong suat cua 16 va nhiet dg chat long lam mat tai mot s6 vi tri Hinh Cdng sudt ciia Id phdn img ^ Uquid Tcrnpcntajic ^ pipe_03 of QHC-l^ i *4I J H I i ^ ^ ^ H f l H ^ ^ ^ ^ ^ ^ ^ H ^ ^ ^ H i l H l B H H w y i a l «.!Qsl0l O l e l (681.5.284.61 1 '" „-„ •r-j-|-j-t-t-t- ••r-t-t | -|- t t t" t-t t- 4- i-, • | j [ ^ I: 1^ i ' ^ I L i : L i : • ; • • I : '' '' 'i i' 11 Hinh Nhiet nude lam mdt chdn lanh, Idi vdo vung hogt va chdn ndng Hgi nghj Khoa hgc vd Cdng nghe hgt nhdn todn qudc Idn thu IX, Ninh Thugn 18-19/8/2011 147 IV KET LUAN Phan mem tich hgp VISA-RELAP5 da dugc tim hieu, khai thac va ap dung nghien ciiu thuy nhiet 16 phan ung va nha may dien hat nhan nuoc ap luc Nghien ciiu co y nghia quan trgng pbSn tich an toan thuy nhiet nha may dien hat nhan va viec tim hieu, tilp c ^ vai cong nghe 16 phan ung nuoc ap l\rc kieu VVER ciia Nga, loai 16 co thi se dugc trang bi cho nha may dien hat nhan Ninh Thuan ciia Viet Nam TAI LIEU THAM KHAO [1] Kim, K.D., Jeong, J.J., Mo, S.Y., Lee, Y.G., and Lee, C.B., "A visual environment for system analysis codes" Progress in Nuclear Energy, 39, 335-344,2001 [2] K.D Kim, S.W Lee, M Hwang, B.D Chung, S.J Cho, "Development of a Visual System Analyzer based on reactor system analysis codes" Progress in Nuclear Energy, 49, 452-462, 2007 [3] W P Back, J E Yang, J J Ha, "Safety assessment of Korean nuclear facilities: current status and future," Nucl Eng Technol., 41 [4], 391-402, 2009 [4] Duong Ngoc Hai, "Atomic Energy - Nuclear Safety and Some Problems of Thermal Hydraulics", Proceedings of National Conference on Engineering Mechanics, 68-74, 2001 [5] TS Dang The Ba, Buoc dau tim hieu, khai thac chuong trinh RELAPS phuc vu tinh toan va phan tich an toan 16 phan ling hat nhan, Bao cao thuc hien De tai nghien ciiu khoa hgc Vien Co hgc, 2005 [6] Duong Nggc Hai, Dang The Ba va Ha Cong Tii, "Mo hinh phan tich trang thai thuy nhiet dimg cac 16 phan img hat nhan nghien ciiu - C00L0D-N2", Tuyen tap cong trinh Hgi ngh; Khoa hgc Ca hgc Thiiy Toan qu6c nam 2005, 137-146,2005 [7] Nguyen Tat Thang, Ap dung mgt so chuong trinh tinh toan thiiy nhiet 16 phan ling hat nhan Da Lat, Bao cao thuc hien De tai nghien ciiu khoa hgc Vien Co hoc, 2006 [8] Duong Ngoc Hai va Nguyen Tat Thing, "Nghien ciiu nhiet thuy dgng mo hinh don gian nha may dien hat nhan su dung chuong trinh RELAPS", Tuyen tap cong trinh Hgi nghi Khoa hpc Co hpc Thuy Toan quoc nam 2006,193-202,2006 [9] Duong Ngoc Hai, Dang The Ba and Nguyen Tat Thang, "Some results of study of nuclear reactor thermal hydraulics", Bao cao tai Hoi nghi Toan quoc ve Co ky thuat va Tu dgng boa, 85-96,2006 [10] Hai Ngoc Duong and Thang Tat Nguyen, "Thermal hydraulic calculation of DRR and NPP simple model using RELAPS", Proceeding of the 4th Asian Specialist Meeting on Future Small-Sized LWR Development, 20-1 to 20-9, 2007 [U] C Allison et al, RELAP5/Mod3 Code Manual, Volumes I-V, NUREG/CR-5535, INEL95/0174 [12] S Pylev, Assessment Study of RELAP5/MOD3.2 Based on the Kalinin NPP Unit-1 Stop of Feedwater Supply to the Steam Generator No 4, Intl Agreement Report - NUREG/IA0167,1999 ... he thong 16 VVER He thong cong nghe 16 VVER dugc phan tich nghien ciiu thuoc thiet ke 16 VVER- ioOO (cong su4t 1000 MWe) Hinh trinh bay so d6 h? th6n^ thiiy nhiet ciia m6t 16 VVER- 1000 dien hinh... so) v6ng 16 boat dgng a cong suat thap II SO LLTOC VE CAC CHUONG TRINH VISA vA RELAP5 l .VISA Chuong trinh giao dien hga VISA dugc tich hgp voi RELAPS (va cac chuong trinh tinh toan mo phong thuy... TINH TOAN, MO PHONG HE THONG THUY NHIET NHA MAY DIEN HAT NHAN LO NUCJC AP LUC VVER SU" DUNG PHAN MEM VISA VA RELAPS L6 VVER la 16 nuoc ap lire ciia Nga co nhieu diem tuong dong voi 16 nuoc ap luc