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• W2896860420 endingPage "118" @default.
• W2896860420 startingPage "89" @default.
• W2896860420 abstract "This paper reviews current understanding of the manner in which non-premixed jet flames respond to flow disturbances, and compares these characteristics to premixed flames. Disturbances in flow velocity excite wrinkles on non-premixed flame sheets and perturbations in heat release. These disturbances convect axially along the flame at the local flow velocity and decay in amplitude. Sufficiently large disturbance amplitudes cause opposing sides of the flame to merge and pinch off, leading to multiply connected flame sheets. The space-time characteristics of flame wrinkles on premixed and non-premixed flame sheets are quite similar, as they are dominated by flow disturbances moving the flame around, convection of the wrinkles downstream, and dissipation of wrinkles. In contrast, the heat release dynamics are quite different, as heat release oscillations in premixed flames are nearly uniformly distributed along the flame, whereas in non-premixed flames they are concentrated near the burner outlet where mixture fraction gradients are highest. In addition, flame area fluctuations are the dominant mechanism leading to heat release oscillations in constant burning velocity premixed flames, while mass burning rate oscillations dominate non-premixed flames. The flame transfer function, i.e., the normalized ratio of heat release and flow oscillations, is of O(1) at low frequencies and transitions to a 1/St behavior at high frequencies, for both premixed and non-premixed flames, where St denotes the flame Strouhal number, physically representing the ratio of the convective and the forcing time-scale. While the mechanisms dominating heat release oscillations are quite different for premixed and non-premixed flames, these comparable asymptotic tendencies are actually the result of the same effects; namely, that the heat release is proportional to the instantaneous mass flux of reactants in the quasi-steady, low Strouhal number case, and phase cancellation associated with convecting regions of oscillatory heat release leads to the 1/St behavior in the St ≫ 1 regime. Non-premixed flames have an additional 1/St transfer function character at an intermediate range of Strouhal numbers, due to the sharply varying axial dependence of mean heat release near the burner exit." @default.
• W2896860420 created "2018-10-26" @default.
• W2896860420 creator A5063309260 @default.
• W2896860420 creator A5082528509 @default.
• W2896860420 creator A5088560988 @default.
• W2896860420 date "2019-01-01" @default.
• W2896860420 modified "2023-10-10" @default.
• W2896860420 title "Forced response of laminar non-premixed jet flames" @default.
• W2896860420 cites W1532604373 @default.
• W2896860420 cites W1911286554 @default.
• W2896860420 cites W1963484200 @default.
• W2896860420 cites W1965711866 @default.
• W2896860420 cites W1966246020 @default.
• W2896860420 cites W1966311799 @default.
• W2896860420 cites W1967840450 @default.
• W2896860420 cites W1969748255 @default.
• W2896860420 cites W1972753035 @default.
• W2896860420 cites W1975966214 @default.
• W2896860420 cites W1986685564 @default.
• W2896860420 cites W1988121820 @default.
• W2896860420 cites W1990130212 @default.
• W2896860420 cites W1991188163 @default.
• W2896860420 cites W1991868027 @default.
• W2896860420 cites W1993843879 @default.
• W2896860420 cites W1994159028 @default.
• W2896860420 cites W1995940402 @default.
• W2896860420 cites W1999148838 @default.
• W2896860420 cites W2000074439 @default.
• W2896860420 cites W2003926461 @default.
• W2896860420 cites W2003961106 @default.
• W2896860420 cites W2007183428 @default.
• W2896860420 cites W2008609811 @default.
• W2896860420 cites W2008684569 @default.
• W2896860420 cites W2009057136 @default.
• W2896860420 cites W2009672237 @default.
• W2896860420 cites W2010413195 @default.
• W2896860420 cites W2010764245 @default.
• W2896860420 cites W2012065426 @default.
• W2896860420 cites W2017815947 @default.
• W2896860420 cites W2017871149 @default.
• W2896860420 cites W2024850677 @default.
• W2896860420 cites W2027607546 @default.
• W2896860420 cites W2027758534 @default.
• W2896860420 cites W2029326214 @default.
• W2896860420 cites W2031403799 @default.
• W2896860420 cites W2031648387 @default.
• W2896860420 cites W2032236212 @default.
• W2896860420 cites W2032764390 @default.
• W2896860420 cites W2042453292 @default.
• W2896860420 cites W2043079990 @default.
• W2896860420 cites W2043104845 @default.
• W2896860420 cites W2045424664 @default.
• W2896860420 cites W2048902379 @default.
• W2896860420 cites W2050593240 @default.
• W2896860420 cites W2053603365 @default.
• W2896860420 cites W2053874265 @default.
• W2896860420 cites W2055069211 @default.
• W2896860420 cites W2055836603 @default.
• W2896860420 cites W2056835204 @default.
• W2896860420 cites W2059148743 @default.
• W2896860420 cites W2064501459 @default.
• W2896860420 cites W2075517805 @default.
• W2896860420 cites W2075838483 @default.
• W2896860420 cites W2080975146 @default.
• W2896860420 cites W2085128520 @default.
• W2896860420 cites W2085554681 @default.
• W2896860420 cites W2086563304 @default.
• W2896860420 cites W2088046223 @default.
• W2896860420 cites W2088249014 @default.
• W2896860420 cites W2089901143 @default.
• W2896860420 cites W2092369440 @default.
• W2896860420 cites W2094686198 @default.
• W2896860420 cites W2101250188 @default.
• W2896860420 cites W2107560436 @default.
• W2896860420 cites W2108683554 @default.
• W2896860420 cites W2113202439 @default.
• W2896860420 cites W2117643127 @default.
• W2896860420 cites W2129533850 @default.
• W2896860420 cites W2130328856 @default.
• W2896860420 cites W2131061307 @default.
• W2896860420 cites W2131172359 @default.
• W2896860420 cites W2158360098 @default.
• W2896860420 cites W2163771733 @default.
• W2896860420 cites W2178354546 @default.
• W2896860420 cites W2326735681 @default.
• W2896860420 cites W2336472618 @default.
• W2896860420 cites W2450255 @default.
• W2896860420 cites W2485834434 @default.
• W2896860420 cites W2515480632 @default.
• W2896860420 cites W2527787720 @default.
• W2896860420 cites W2534470256 @default.
• W2896860420 cites W2551974901 @default.
• W2896860420 cites W2581776787 @default.
• W2896860420 cites W2606995789 @default.
• W2896860420 cites W2762999179 @default.
• W2896860420 cites W3100504850 @default.
• W2896860420 cites W350873799 @default.
• W2896860420 cites W4210960223 @default.

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