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Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Kniga posvyashchena resheniyam uravneniya Nav'e Stoksa. V chastnosti polucheno reshenie, opisyvayushchee uragan i tornado. Opisan mekhanizm vozniknoveniya uragana. Predlagaetsya algoritm, opisyvayushchiy ne predskazuemuyu traektoriyu tornado. Vychisleny sily, deystvuyushchie na dvigayushcheesya v neszhimaemoy zhidkosti telo, t.e. vozmozhno opisanie dozvukovogo dvizheniya v vozdukhe. Okazalos', chto pri opredelennoy forme tela i ego skorosti summa vsekh sil, vklyuchaya silu tyazhesti i soprotivlenie sredy, bez ucheta tyagi tela, ravna nulyu. Eto dostigaetsya za schet togo, chto pri opredelennoy forme tela pod"emnaya sila menyaet svoe napravlenie i stanovitsya tolkayushchey siloy. Pri etom ispol'zuetsya ponyatie kompleksnoy skorosti, kvadrat kotoroy mozhet imet' otritsatel'nuyu deystvitel'nuyu chast'. T.e. pri dvizhenii opredelennogo tela s opredelennoy skorost'yu, okruzhayushchaya sreda budet peredavat' telu energiyu, vospolnyaya energiyu, zatrachennuyu na preodolenie treniya. Issledovan vopros o khaoticheskom reshenii uravneniya Nav'e Stoksa. Pokazano, chto pri kratnykh polozheniyakh ravnovesiya sistema khaoticheski pereskakivaet ot odnogo polozheniya ravnovesiya k drugomu. Poluchena zavisimost' koeffitsienta soprotivleniya v krugovoy trube pri lyubom chisle Reynol'dsa.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
