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^^^^^^^^^^Qll JL THIET KE, CHE TAO BO THI NGHIEM DAY HQC DINH LU^T BECNULI (VAT LI L0P 10) Hi Minh Trong Tru&ng THPT chuyen Le Quy Ddn, Binh Dfnh TS Nguylin Anh ThÛ n Tru&ng Bgi hgc Suphgm Hd Npl SUM[.]
^^^^^^^^^^Qll THIET KE, CHE TAO BO THI NGHIEM DAY HQC DINH LU^T BECNULI (VAT LI L0P 10) Hi Minh Trong - Tru&ng THPT chuyen Le Quy Ddn, Binh Dfnh TS Nguylin Anh ThU^n - Tru&ng Bgi hgc Suphgm Hd Npl SUMMARY This paper presents the research design, production of laboratory equipment for use in teaching "Law Becnuli" horizontal pipelines in the physics program 10 High School K^words: Law Becnuli; 10 High School: equipment Ngdy nhpn bdl: 28/9/2015; Ngdy duypt Mttg: 28/9/2015 Sv cin thilt pbai thiet ke, chl tgo TBTN Bk dgy hgc "Djnh lugt Becnuli" (Vft li 10) gido vien dd dugc trang bj bO thi nghifm "Djnh luft Becnuli" Tuy nhien, qua thn hilu, chflng tdi thiy m5i bf thi nghifm diu cd dilm mgnh vd dilm hgn chl Cd nhilu phuong dn thilt ke chl tgo vdi cdc cdch dl tgo ddng chit Idi^ chuyin dfng Chung tdi xin ddng gdp mgt phuomg dn thilt kl chl tgo TBTN ndy tfl nhflng vft lifu don gidn nhung vin cd kit qud , „ ^.- ,- , L, v , , i.f I X I I i u-.-i ui L,L- i,^-, a) Sa cau tgo b) Anh chgp chlnh xdc cho phSp, tiSn hdnh thl nghigm ve Dinh , ^ ludt ndv Hinh 2: Sa dd cdu tgo vd dnh chgp ciia bg phgn Ciu tgo vd nguyen tic hogt dfng eua Bf thi "^^ ^' '^^"^ ""^^ ''^^ nghifm mdi Bf thf nghifm ndy gIm: (16) cd dudng kinh tiet difn Id 21mm, 31mm 2,1 Bpphpn tri ddng chdy dihtg (sadd cdu vd ddy 2mm Khdp noi (15) dugc ldm bdng nhya cd tgo vd dnh chgp: Hinh 2) bao gom: Blnh nhya (3) h, =h,:h, >h =>h, =h,:h, >h.:-^ ^=5 Nhu vgy, ket qud thi nghifm khd phfl hgp vfi nfi dung cin kilm tra Dilu ndy chflng td sfl dyng TBTN ndy cd the kilm tra kha chinh xdc cdc hf qui rflt tfl djnh luft Becnuli cho ong ddng ndm ngang Mpt sd lim y tien hdnh thi nghipm D I dS quan sdt nudc dang ISn cdc dyng cy tht chung tdi dd sfl dyng nudc cd mdu (pha thuic tim vdo nudc) Khi sfl dyng bg phgn tri ddng chdy dflng, chflng tdi phdi dgy nflt cao su (1) vdo blnh (3) cho thgt kin, khdng cho blnh trao doi vdi b€n ngodi thdng qua l5 cua ndp dgy blnh +Ap suit tTnh tgi noi cd tilt difn nhd sS nhd hon Ket lufn noi cd tilt difn Idn h, > h, Ve m ^ kt thuft, bf tiii nghifm djnh luft Becnuli mdi chl tgo dd khic phyc dugc nhflng hgn chl cua + H sl dp suit dgng d h^ tiet difn: Bf thi nghifm hifn cd nhu: bf phfn trt ding chdy dflng dd tgo ddng chdy dflng khd In djnh hon so vdi dflng mdy bam nudc, cdc diu dp suit d^u h,-hj [DJ UiJ P»;_Pe(lii-li.)_h|-h d$t d gifla Ing nhim khdo sdt dp suit tinh vd dp suit ,K PS(lii-ki) ' i - l i todn phan tgi cdc diem cflng ndm tren mgt dudng ddng (gifla Ing), cdc dau cd kieh thudc rit nhA Bo tri vi tiln hinh TN: B6 tri TN: LJp b$ p h ^ b) (hinh 3) v(A bp phiin so vdi kich thudc Ing nen kit qud thi nghifm khd chinh xac a) (hinh 2) Tiln hdnh TN: Ldp bo p h ^ tri dong chdy Ve m^t su phgm, sfl dyng bf thi nghifm n^y dimg vd bo ph^n quan sdt-do d^c Ddng van ldi6a dgy hgc "Djnh luft Becnuli" theo kJeu dgy hgc phdt (11), rod niit cao su (1), dd nuoc vdo binh den d$ cao hifn va giai quyet vin dk, chflng tdi thiy budc dk thlch hop tAi dang chjt niit (1) Thdo van khda (11) phdt huy duge tlnh tich cyc vd phdt triln ndng lyc cho nu6c chdy ra, sau mOt vdi gidy chiing ta sg th^y sdng tao cfla hgc sinh Uong hgc tfp HS cd the ty cao ciia nudc ddng ien cdc dyng cy dp minh tien hdnh thi nghifm vdi bf thi n^ifm ndy suit (6), (7), (8), (9) 6n djnh Dpc cao myc nucSc ddng len cdc dyng cy dp suit Tdi lifu tham khdo k fej«=(tf djnh lupt Becnuli U • T4P CHt THI^BIGlAO DMC-sd 122-10/2015 NguySn Nggc Hung (Chfl biSn), Nguyin Xuan Thdnh, Nguyin Anh Thuan (2014) Hudng ddn sir dung thiit bf thi nghiim dgy hgc vpt li d trudng THPT chuyen NXB Dgi hgc Su phgm Nguyen Dur Tham (chfl biSn), Nguyen Nggc Hung, Phgm Xudn Qui ( 2012) Phuang phdp dgy hgc vgt li a trudng phd thdng, NXB Dgi hgc Su phgm HdNgi Website: www.phywe-systeme.com; www.lddldactlc.de; www.pasco.com ... nghifm de kilm tra cdc hf qud rflt tfl bieu thflc djnh luat Becnuli Mge dich TN: Kiem nghifm cdc hf qud rflt tfl bilu thflx; cfla djnh Iuat Becnuli Ggi df ddng myc chit Idng Uong cdc Ing hi trai sang... Dilu ndy chflng td sfl dyng TBTN ndy cd the kilm tra kha chinh xdc cdc hf qui rflt tfl djnh luft Becnuli cho ong ddng ndm ngang Mpt sd lim y tien hdnh thi nghipm D I dS quan sdt nudc dang ISn cdc... nhd sS nhd hon Ket lufn noi cd tilt difn Idn h, > h, Ve m ^ kt thuft, bf tiii nghifm djnh luft Becnuli mdi chl tgo dd khic phyc dugc nhflng hgn chl cua + H sl dp suit dgng d h^ tiet difn: Bf