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Дерматовенерология

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An Acoustic Intensity-Based Method in Aeroacoustics. Theory and Aerospace Applications

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мягкая обложка
128 страниц
2009 год

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Книга по Требованию

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2382 руб

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In general, the AIBM provides an effective alternative for the far-field acoustic prediction of practical aeroacoustic problems. However the FW-H method requires the data on a "complete control surface", which may be infeasible to accomplish for most practical applications. Conventional CFD solvers are typically used to evaluate the flow field in the source region. Motivated by the need for the accurate and efficient far-field prediction techniques, an advanced computational methodology, Acoustic Intensity-Based Method (AIBM), has been developed. The FW-H equation is used to extend the near-field CFD solution to the far-field acoustic radiation. The approach separates the field into aerodynamic source and acoustic propagation regions. This method is computational efficiency and only needs the input data over an "open surface". A hybrid approach is usually considered for predicting the aerodynamic noise. Aircraft noise prediction and control is one of the most urgent and challenging tasks worldwide.

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Volume functions of historical texts and the amplitude correlation principle. Computers and the Humanities. 1990, vol. 24, pp. 187206. п47. Фоменко А. Т. Методы статистического анализа нарративных текстов и приложения к хронологии. (Распознавание и датировка зависимых текстов, статистическая древняя хронология, статистика древних астрономических сообщений). Москва, изд-во МГУ, 1990. п48. Fomenko A. T., Kalashnikov V. V., Nosovsky G. V. Statistical analysis and dating of the observations on which Ptolemy's «Almagest» star catalogue is based. In: Probability theory and mathematical statistics. Proc. of the Fifth Vilnius Conference. 1990. Moklas, Vilnius, Lithuania: VSP, Utrecht, The Netherlands, vol. 1, pp. 360374. 1992 год п49. A. T. Fomenko, V. V. Kalashnikov, G. V. Nosovsky. The dating of Ptolemy's Almagest based on the coverings of the stars and on lunar eclipses. Acta Applicandae Mathematicae. 1992, vol. 29, pp. 281298. 1993 год п50. A. T. Fomenko, V. V. Kalashnikov, G. V. Nosovsky. Geometrical and Statistical Methods of Analysis of Star Configurations ...»

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An Acoustic Intensity-Based Method in Aeroacoustics. Theory and Aerospace Applications Chao Y. http://www.booksiti.net.ru/books/13989975

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