THE SPEED OF ISOTHERMAL-FRONT PROPAGATION IN ISOTROPIC, WEAKLY TURBULENT FLOWS

R. C. ALDREDGE

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THE SPEED OF ISOTHERMAL-FRONT PROPAGATION IN ISOTROPIC, WEAKLY TURBULENT FLOWS

机译：各向同性弱湍流等温面的传播速度

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The mean speed of a wrinkled isothermal front is calculated from first principles in terms of the local normal front speed and the intensity of an isotropic, weakly turbulent flow through which the front propagates. It is found that the mean speed of the wrinkled front departs from the local normal front speed (assumed to be the same as the planar-front propagation speed) by an amount proportional to 4/3 of the turbulent kinetic energy of the flow or (equivalently) twice the turbulence intensity.

机译：起皱的等温锋线的平均速度是根据第一原理根据局部法线锋线速度和锋面所传播的各向同性，弱湍流的强度来计算的。发现起皱的前部平均速度与局部正常前部速度（假定与平面前部传播速度相同）偏离与流动的湍动能的4/3成比例的量或（相当于）湍流强度的两倍。

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来源
《Combustion Science and Technology》 |2006年第9期|p.1201-1215|共15页
作者
R. C. ALDREDGE;
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作者单位

Mechanical and Aeronautical Engineering, University of California, Davis, California, USA;

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原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
关键词
turbulent premixed flames; front propagation; flame propagation; flamelets; turbulence;

机译：湍流预混火焰;前传播;火焰传播;小火焰;湍流;

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4. THE SPEED OF ISOTHERMAL-FRONT PROPAGATION IN ISOTROPIC, WEAKLY TURBULENT FLOWS [C] . R. C. Aldredge Heat Transfer and Fluid Mechanics Institute; 20060601-02; Sacramento,CA(US) . 2006

机译：各向同性弱湍流等温面的传播速度
5. Propagation characteristics of turbulent premixed flames in nearly isotropic turbulent flows. [D] . Lee, Sang-Jun. 2003

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THE SPEED OF ISOTHERMAL-FRONT PROPAGATION IN ISOTROPIC, WEAKLY TURBULENT FLOWS

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