Nguyen Ly Wardrop
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Transcript of Nguyen Ly Wardrop
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Vng th: S LA CHN HNH TRNH, CN BNG, TI U
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Mng li ca h thng vn chuyn th chng cht hn nng thn.
Hin tng n tc, bo ho rt nghim trng thnh th v khng th xem thng.NGUYN L WARDROPVn c th ca s la chn hnh trnh vng th
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Lung tng th q trn mt ODTn ti 2 hnh trnh c th c phn ra thnh lung q1v lung q2Nh vy: q = q1 + q2NGUYN L WARDROPCc k hiu c s dng
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Lm th no cc lung c phn b cn bng?
u l im ti u v mt x hi?
S cn bng c phi l ti u? NGUYN L WARDROPVn t ra
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NGUYN L WARDROPChi ph l hm bin theo lu lng choHNH TRNH U TIN
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NGUYN L WARDROPChi ph l hm bin theo lu lng choHNH TRNH TH HAI
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NGUYN L WARDROPng cong chi ph cho HAI HNH TRNH
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S phn b cc lung theo s cn bng:
Nu c t nht 2 lung (khc 0) trn mt OD th cn bng theo s lng c to ra khi c1=c2.
Thc t, nu c1
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NGUYN L WARDROPS CN BNG ng cong chi ph ca hai lung khi cn bng:
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S phn b cc lung theo ti u :
Tng chi ph l phn tng din tch ca cc hnh ch nht lung * chi ph.
Trn mi hnh trnh th lu thng s t tc trung bnh ca xe c. NGUYN L WARDROPS TI U
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TI U: Gim thiu tng chi ph NGUYN L WARDROPS TI U
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Ti u v Cn bng thng khng trng hp
Hnh trnh (mu xanh) ngn (thi gian cho qung ng khng ti rt t) nhng li dc (s n tc s xy ra kh nhanh).
Hnh trnh (mu ) di hn (thi gian cho qung ng khng ti lu hn) nhng rng hn (rt t b n tc trn phng din trng ti xem xt). NGUYN L WARDROPTI U & CN BNG
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Tng chi ph im Cn bng NGUYN L WARDROPTI U & CN BNG
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Tng chi ph im Ti u NGUYN L WARDROPTI U & CN BNG
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HT