Johnsson and Stfntvedt 



CALCULATED PRESSURE COEFFICIENT VIZ. 



FULL SCALE EXPERIMENTS, TWICE BLADE FREQUENCY 



T/T 'NORSE KING* 



CELL 



BalLAST 



NON CAV. 0.00309 



LOADED 



MEASURER 



CP»?£2!5 



NON CAV. 0.0033 



CAV. 0.0172 



CELL 



BALLAST 



nrrn ,tn cd«o-03*. 



tHEORETlCALCP^lPi. 



CAV. 0.0284 



=5 



NON CAV. 0.00223 



LOADED 



THEORETICALCP' 0165 



■ •■''NON CAV. 000228 



CAV. 0.0143 



Figure 40 Calculated pressure coefficients. Full scale, twice blade 

 frequency 



652 



