Vikhrevye Metody Dlya Rascheta Obtekaniya Tel Neszhimaemymi Potokami: Primenenie I Razvitie - Valeriy Nikonov - Books - LAP LAMBERT Academic Publishing - 9783843305518 - December 10, 2010
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Vikhrevye Metody Dlya Rascheta Obtekaniya Tel Neszhimaemymi Potokami: Primenenie I Razvitie Russian edition

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Kharakter techeniya za plokhoobtekaemymi telami sil'no zavisit ot ikh formy. Naprimer, obtekanie krugovogo tsilindra s rostom chisla Reynol'dsa soprovozhdaetsya krizisom soprotivleniya. S drugoy storony, plokhoobtekaemye tela s uglovymi tochkami na konture prakticheski ne imeyut krizisa soprotivleniya. Eshche bolee slozhnye techeniya voznikayut pri blizkom raspolozhenii drug k drugu neskol'kikh tel. Issledovanie takikh yavleniy imeet sleduyushchie prakticheskie prilozheniya: 1) uchet vetrovoy nagruzki, deystvuyushchey na elementy sooruzheniy; 2) opredelenie bokovoy sily ot opereniya letatel'nykh apparatov. Pervonachal'no v kachestve metoda issledovaniya ispol'zovalsya metod diskretnykh vikhrey, v kotorom tochki otryva naznachayutsya s privlecheniem vneshnikh dannykh. Takzhe primenyalsya metod «vikhr' v yacheyke» (VYa), v kotorom tochki otryva formiruyutsya avtomaticheski. Dlya etogo metoda byl proveden razdel'nyy i sovmestnyy raschet protsessov diffuzii i konvektsii zavikhrennosti. V rezul'tate issledovaniy vyyasnilos', chto s pomoshch'yu metoda VYa ne udaetsya provesti modelirovanie laminarnogo pogranichnogo sloya v shirokom diapazone chisel Reynol'dsa. Avtorom predlozhen i razrabotan metod rasshchepleniya zavikhrennosti, kotoryy ustranyaet etot nedostatok metoda VYa.

Media Books     Paperback Book   (Book with soft cover and glued back)
Released December 10, 2010
ISBN13 9783843305518
Publishers LAP LAMBERT Academic Publishing
Pages 168
Dimensions 150 × 10 × 225 mm   ·   268 g
Language German