In The Effect of Nozzle Design on the Stability and Performance of Turbulent Water Jets (Fire Safety

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In €œThe Effect of Nozzle Design on the Stability and Performance of Turbulent Water Jets€ (Fire Safety Journal, Vol. 4, August 1981), C. Theobald describes an experiment in which a shape measurement was determined for several different nozzle types at different levels of jet efflux velocity. Interest in this experiment focuses primarily on nozzle type, and velocity is a nuisance factor. The data are as follows:

(a) Does nozzle type affect shape measurement? Compare the nozzles with box plots and the analysis of variance.
(b) Use Fisher€™s LSD method to determine specific differences between the nozzles. Does a graph of the average (or standard deviation) of the shape measurements versus nozzle type assist with the conclusions?
(c) Analyze the residuals from this experiment.

Jet Efflux Velocity (m/s) Nozzle Type 11.73 14.37 16.59 20.43 23.46 28.74 0.78 0.80 0.81 0.75 0.77 0.78 1 0.85 0.85 2 0.
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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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