So 1/2014 Tgp chi Khoa hoc - Cong nghe Thuy sdn KET QUA NGHIEN CL/U D A O TAO SAU DAI HOC NGHIEN CUtJ XAY DlTNG CHlTOfNG TRINH TINH PHUC VU THIET K£ DINH TAM HE TRUC TAU HANG TRONG TAI L N RESEARCH ON PROGRAMMING FOR DESIGNING THE PROPULSION ALIGNMENT OF LARGE TONNAGE SHIPS SHAFTING Tran Van Htmg', Quach Ho&i Nam' Ngiyohanbai 25/9/2012;Ngayphanbienthongqua 18/6/2013;Ngiiyduy?tdang: 10/3/2014 TOM AT Bdi bdo trinh bdy ket qud nghiin cuu xdy dipig chucmg trinh linh phuc v^i thiet ke dinh tdm h$ tmc tdu hdng trgng lai Idn Chuang trinh du^rc xdy dung tie viec mo hinh hoa he true tdu, su difng phucmg phdp gidi phdn tu hiru hgn phii hgp ven mo hinh da xdy dung co uu tiin den su tien lgi cho lgp trinh vd dugc xdy dung trin phdn mem Matiab di xuat cdc kel qud sau bieu mdmen uon vd luc cat, dudng cong dd vong, ldi trgng tgi cdc goi davdma trdn h? so dnh hudng so sanh kil qud tinh cho hi true tdu chd ddu thd cd ldn VLCC Crude Od Tanker 300000 DWT vdi cdc chucmg trinhtinhhifn co Tir khoa: phucmg phdp phdn td huu hgn ma trgn h? s6 dnh hudng Matiab ABSTRACT This paper presents research results on programming for designing the propulsion shafting alignment of large tonnage ships The programs are built Jrom modeli '.ling the propulsion shafting by the finite element method suitable for the available models with the priority to the convent nience in programming and written on Matiab software The following results arefound out during the research the bendi ding moment diagram and shearforce, the deflection curve, the load m the bearings and influence coefficient matrix; compare the calculated results between the calculating programs and the existing programs' on a propulsion shafting of VLCC Crude OU Tanker 300000 DWT Keywords finite element method, influence coefficient matrix, Matiab I OAT V A N &£ Td tnjdc din nay, phoang phip d|nh t i m hfi trye t i u cic nhi miy ddng tiu d node ta ehu ylu dya tren quan dilm dp Ifieh tim (SAG) v i gay khiic (GAP) hay phoang phip djnh tam theo t i i trpng I dd Khi i p dyng eie phoang phap Irfin hfi trye t i u hing trpng t i i Idn thi vific djnh tim rit khd khin v i mit thdi gian [2], d$e bifit la vific d|eh chinh cic goi dd vdi hfi true tau Idn Do do, ddng mdi cic t i u cd ttpng tai Idn, cie ea quan ding kilm yeu ciu cic nhi thilt ke phai doa phoong phip djnh l i m phil hpp dam bao thda man eie tifiu chi d i dinh gia chit lopng djnh tim phii cd bing tinh djnh tim hfi tn,ie tt^ng khiu thiet k l nhim phye vy eho vific djnh t i m Chinh vi vfiy vific nghifin cdu ca sd ly thuyet eung nho x i y dyng choang trinh tinh phyc vy fljnh t i m hfi tnjc t i u d i p dng cic yeu clu cua cic co quan dang kilm l i mot v i n d l cip thiet, dip dng nhu eau tang codng nfii lyc cQa nginh ddng tau node ta Ihiet ke t i u hang ed Idn II B O I TlfCTNG, PHAM VI VA PHU'aNG PHAP NGHliN CIJU O i i topfng v i pham vl nghifin cim Nghien cdu xay dyng choang trinh linh djnh l i m hfi trye tau hing t i i trpng Idn cho phip xuit eie bSng tinh v i bilu chyyin vj, ndi lyc, phin lyc goi dd, ma Iran hfi s l anh hodng phyc vy djnh t3m ' TrAn van Hong- Cao hpe Ky thu$t tSu thuy 2009 - Tnjerng Dai hpe Nha Trang ' TS Quich Hoai Nam' Tnrong Ogi hgc Nha Trang 120 • TRUONG OAI HOC NHA TRANG Tgp chi Khoa hoc - Cong nghe Thiiy sdn So 1/2014 hfi tnjc t i u hang trpng t i i Idn eic dilu kien t i l khac Phuang phap nghien cini 2.1 Mo hinh hoa h$ tnjc tdu D l phuc vy cho linh toin d|nh tam ta xem xet hfi tn^c tau dope doa ve dam thing toang doang nho hinh f No.l N o J NTJ a He true tau Na.4 tlo-L ^ f pJc>.Jhlo,9 b Mo htnh he true tren goi dd Hinh I MS hinh tinh dinh tam h| tr^c t^u - Doa true khuyu ve d i m trdn toang doang A C3 i bSngl cie phin ti> khie triet Beu Khi eho ehuyen vi bSng mm tgi goi thi> i ta gial mpt bai toin tim phin IlKtll" cic g6i chinh i i vee lo phan Ivc {R}' Nhu- viy d l tim ma trin hg s6 i n h hudng ta phii giii n bii toin v« ni so itpong g6i tren he tn.ic Ta eiS: [A] [ ( R , ) ( R } { R ) « ] ,,,, - Xac dinh phan iLPC goi eo ehuyin vi ci^ong bu-c [3] {R^} =A» {d^} (12) Xiy dimg cliuang trinh tinh- Chuong trinh tinh du'oe x i y dvng trin phin mJm Matiab 122 TRUONG OAI HOC NHA TRANG ip chi Khoa hoc - Cong nghe Thuy sdn KfiT QUA NGHieN CLTU VA T H A O L U A N Thye hifin tinh toan tren choang trinh da xay dong vdi mdt tau cy t h i Bge diem t i u VLCC Crude Oil Tanker 300000 DWT - Kilu t i u : chd d i u - Chilu dai buc ehin vjt - Che tao : n i m 1993, tgi Hin Qu6e - Chieu rpng - M i y ehinh MAN B&W 7S80MC, - Chilu cao - Cdng suit miy 31920 BHP - Chieu dai Idn nhit - T i c dp quay 77.0 rpm - Mdn node Uiiel ke - Chilu dai t i u • 327.50 m - Khli lopng chin vjt - Chilu cao t i u 60.5 m - T i i trpng 10.00 m 57.2 m 30.424 m 330.00 m 20 m 56000 KG 300.000 DWT Hinh Vi trf %h\ Aa nhit cbo o dd true chin vi K i t q u i tinh v i kiem chirng vdi RDM, NK Biiu dd vong, lijx: cit v i mo men Hinh Bieu n9i lire cua h | true theo chuvng trinh I J I I ^ I I < ' lI j| l"l "l 'll ' - M .p • • - I IJ II I - , • , • I l.iliii|ii| I M i j i i i l l , , , , | , , illlluT tt1|_ ''^i'XXiX m jTrTTT ::: l'iliFF"rFiiii ^ iftttt Hinb Bilu n$i luc ciia hf true tinh bing RDM TRUONG DAI HOC NHA TRANG • 123 So 1/2014 Tgp chi Khoa hoc - Cong nghe Thuy sdn -V^nifTiP'" "'iniiBiT'"" Hinh B i l u d^ n§i life cua hf trgc theo NK |7] 2.2 Ap /(/c goi da IT N0tg6l Bang Bang so s i n h i p lu>c goi d d giira c i c c h u « n g trinh tinh TT Pliin igc goi (N) 1.393e+5 -2.140e-t6 10 8.1460+5 16 •9.074e*4 20 8.655e*4 22 577e*4 23 2173e*2 24 -5 e + 25 8-867e+l a Theo chucmg trinh WA g6i Pliin lgc g6l (N) 1392959.35 -2143988.08 10 819569.53 -90759.885 16 86439.239 20 22 -65899-03 23 2138.72 24 -539 47 26 89 44 b Theo RDM TT G6i PiiinlvcgAi{l(at)~ 139295.220 ' -214398.670 81956.652 -9075-998 8643.455 -6589.810 213.664 -53.416 8.903 10 16 20 22 23 24 25 i Ma tr$n h^ s6 inh htfdng Bang Bang ma tr$n hfi so anh h o d n g theo c h u v n g trinh TT Nutg6l 10 16 20 22 23 24 25 Cliuy4n Pliin Igc v| (mm) g t l ( N | Phin lgc gSr (N) Phin Igc g4l(N| Plidn Igc gil m 1.393e*6 •2.140e*6 8,146et5 -9,074e»4 8,655et4 -6,5776+4 2,173e+2 •5,353e+2 8,867et1 -2,1406+6 3.379et5 •1.465e+5 2,584et4 -2,498e*4 1,677et4 -6,0856+2 1,5375+2 -2,3076+t 8,1966+4 -1,4656+5 8,6756*4 -2,9646*4 3,3966*4 -2,4986*4 8,5206*2 •2,1076*2 -3,5076*1 -9,074e*3 8,6306*3 2,548e*4 -2,4986*4 -2,964e*4 3,3796*4 2,575e*4 -6,468e*4 -6,468e*4 4,7986*5 5,3176*4 -6,0276*5 -1,7206*3 2,0406+5 4,3076*2 -5,1146+4 -7,3076*1 8,3076*3 Phin Igc g i i (N) Phin Igc g i i (N) •6.5816*3 1,8766*4 -2,6116*4 5.3176*4 -6.0276+5 8,9536*5 4,5206+5 1,5276+5 -2,5496+4 Phin Igc g i l |N> Phin Igc Phin lyc gil(N| giim 2,1736+2 -5,3566*2 8,8626*1 -6,0856+2 1,5336*2 -2,3036*1 8,6556*4 -2,1036*2 3,503e*1 -1,7206+3 4,3036*2 -7,106e+1 2,040e*5 -5,114e*4 8,303e*3 1,5236*5 -2,5456*4 4,5206+5 4,5146+5 -2,6436*5 6,9216*4 -2,6466*5 2,5516*5 -9,303e+3 6,9236+4 -9,303e*4 4,064e*3 B i n g Bang ma tr|in hfi so i n h h t r d n g theo NK ^ p i v t Dich chinh S Dich chinh D|ch chinh & Dich chinh S Djch chinh Djch chinh S Dich chinh Dich chinh Djch chinh S (1mm) (1mm) (1mm| (1mm) (1mm) Kl 139295,22 -214398,67 81956,65 -9075,99 8643,45 8,90 -6589,81 213,66 -53,41 H -214398,67 342737,79 147868,08 25863,06 -24630,48 18778,39 -25,36 -608,86 152,21 Ki K4 kb K6 Kl K8 KU 81956,65 -147868,08 -9075,99 25863,06 8643,45 -24630,46 -6589,81 18778,39 213,66 -608,86 -5341 152,21 8,90 -25,36 86843,21 -29740,64 34253,71 -26115,19 846,75 -211,68 -35,28 -29740 64 25755,06 -64621,26 53184,96 -1724,44 431.11 -71,85 124 • TRUONG OAI H O C NHA TRANG 34253,71 -64621,26 487261,26 -602809,51 204508,11 -51127,02 8521,17 -26115,19 53184,96 -602809,51 895929,32 459651,52 152728,03 -25454,67 864,74 -211,68 -1724,44 431,11 204508,11 -51127,02 459651,52 152728,03 451271,61 -264078,49 -264078,49 255095,36 69223,18 -92936,09 35,28 -71,85 8521,17 -25454,67 69223,18 -92936,09 40699,44 So 1/2014 Tgp chi Khoa hoc - Cong nghe Thuy sdn 2.4 Bdng so sdnh giira chu-ong trinh tinh vdi cac chuvng trinh khdc Bdng So sinh phin \ijfc goi doGil Chirang Irtnh R(N) RDM R (N) 139307,166 -2140500.744 814650,015 -90746,300 86556.137 -6577,935 2173,114 -535.322 89,678 139259,35 -2143988,08 819569.53 -90759,88 86439,23 -65899,03 2138,72 -539,47 89,44 NK R (N) 1392952,20 -2143986,70 819566.52 -90759.98 86434,55 -65898,10 2136,64 -534,16 89,03 Bing So sinh md men u l n , ly-c v i dp vong I6m nhit Qfi 1irg>ng Mfimenuiinmax (N.ni) Li/cc^max (N) DO vong max {mm) cit Chirong trinh RDM NK 1,072643et6 1,073002et6 1,033459e+6 6,9599e+5 6,9639e+5 7,2409e+5 0,518043 0,518082 0,428174 Bing Gii tr| sai l$ch kit qui tinh theo RDM v i NK so vdl chuvng trinh tfnh Sal l$ch Kit q u i tinh cda chifong trinh Phin lyc g l i dd Idn nhit Phin lyc gdi dd nhd nhit Mfi men u6n Idn nhit Lye elt Idn nhit Dfi vdng ldn nhit SOVI>l Sal l#ch BO v^) NK RDM (%) (%) 0,083 0,22 0,03 0,05 0,07 0,088 0,72 0,37 0,89 0,20 Thao luan Khi xiy dong choang trinh tinh, choang Uinh hay bj nham lan vdi cae choang trinh tinh nho RDM nhong thye te, vific tinh toin ap lye gdi dd v i ma trgn he s6 anh hodng khong Uie tiln hanh dong thdl tren RDM eung nho cic choang trinh tinh khae Day ia bode d i u de lam ea sd eho viec tinh loin djch ChTnh cie dd phyc vu cho vific dinh tam hfi true tau hang trpng tai Idn IV K^T LUAN VA KI^N NGHj Kit luan - Xay dong dope choang trinh va xuit kit qua ehuyin vj, npi lye cua he tnjc, bieu npi lyc, ma Ufin hfi sd anh hodng va phin lyc g l i dd cd ehuyen vj codng bde - Khi so sinh cic kit q u i tinh td choang Uinh vdi NK, RDM cd dp sai lech nhd, ed t h i i p dyng doac Kiln nghj - Khi lya chpn md hinh hfi trye t i u khdng trinh khdi nhdng sai s6, d|c bifit l i mo hinh dim toang doang cua true khuyu, nen cin nghifin cdu xie djnh mo hinh phij hpp han - Trong qui trinh xay dyng choang Irinh tinh chi l i mfit c6ng dogn qua trinh lap dat he true, choang Irinh chi mdi dope thye hifin Iln dau khong Iranh nhdng sai sdt Do dd cin phii phit triln choang trinh thoan thien, nham phue vy q u i trinh dinh tam hfi tn,ic nho yeu ciu eiia Dang kilm - Nghien cdu t l i ou hda vj tri g6i trung gian, md hinh cae goi dan hoi (thay vi cdng nho de tii) cae dieu kien gin thoc t l han TAI LI$U THAM KHAO Tieng Vift Nguyen Quoc Bao, Tran Ntiat Dung, 2002 Phirong phap phSn tii hihi han ly thuyit va lap trinh, tap NXB Khoa hoc v thu^t HA Npi Nguyin Ding Cirdng, 1998 Thiit ki vi l§p rap thiil bj tau thiiy NXB Khoa hgc va Ky fhuat Ha Ngi Quach Hoii Nam, 2010 Hudng dan sii dyng ph5n mem FEIM- RDM Truong Dai hoc Nha Trang Qudch Ho&iNam,2010.Phuongphapph^tLrhihihan Tmong Dp hgc Nha Trang Chu Quoc Thing, 1997 Phuong phap ph5n tii huu h?n NXB Khoa hgc va Ky thuat Ha N6i TiingAnh CtassNK, 2006 Guidelines on Shafting Alignment, Nippon Kaiji Kyokal Japan TRL/ONG DAI HOC NHA TRANG • 125