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Assessing vibration: a technical guideline
www.environment.nsw.gov.authe parameter of acceleration root mean square (rms), measured in metres per second per second (m/s2). Criteria are also presented in velocity rms in the appendices. The assessment of vibration requires the use of an overall frequency-weighted value for each axis (x, y and z directions). This overall value is assessed
7. Basics of Turbulent Flow - mit.edu
www.mit.edu3 Turbulence Intensity: urms/u (5) The subscript ‘rms’ stands for root-mean-square. You should recognize the definition of urms given in (4) as the standard deviation of the set of “random” velocity fluctuations, u′i. Similar definitions apply to the lateral and vertical velocities, v(t) and w(t).