... flexible couplings high acoustic requirements for marine drives can be met. united states government impedance displacement noise shaft coupling vibration engine misalignment coupling silenco coupling stiffness powertrain hysteresis innovative solution vibratory torque europe...

... transverse section diameter shaft coordinate system beveloid gear addendum modification correction axis modification pinion ease-off flank displacement gear mesh beveloid gear mesh denote deformation Down Angle Gearboxes Calculation and Manufacturing Innovation for Low-Noise...

... several manufacturers were requested to famish any relevant data and their recommendations. A draft of this standard was distributed widely to industry and government to get comments and suggestions. This report explains the rationale behind the proposed criteria. frequency displacement excitation...

... loads that result from a simulated series of random bearing offset events. The optimizing method is straight forward: the bearing loads are calculated using a· series of bearing offsets which are independently allowed to vary within a range of predetermined displacements. The acceptability...

... are compared with limited open water experimental data for one skewed and one conventional propeller tested in steady backing and crashback conditions. displacement computer program operation propeller separation calculation thickness blade deflection deflection loading experimental data...

... oelastic effect skewed blade procedure loading reduction displacement deflection cavitation distortion distribution geometry application rotation torque thrust THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS 601 IPavonia Avenue, Jersey City, NJ 07306 Paper to be presenled al...

... and damping fo r a vibrating propeller blade . 2. THE MEASUREMENTS. 2. 1 . The measurement technique . The hydrodynamic effect on propeller blade vibrations is a pressure distribution over the blade. For small displacements from the equilibrium state it has been shown for rigid propeller vibrations...

... REFERENCE BEAM _rj (REGION 1) HOLOGRAM Figure 2 - Single- bladed Propel ler Model Figure 1 - Schematic of Holographic Setup Sev eral holographic techniques have b een developed to solve a wide variety of engineering problems . These full - field , non- destructive techniques can be used in displacement...

... that the curr ent development represents a re- ali st i c and reliable approach to the general solution of the propeller s t ress problem. NOMENCLATURE B /1/1/\ i j ,k matrix relating strain vector to noda l displacements, Eq. 3 elasticity matrix Young's modulus of elasticity equivalent load vector, also known...

... . The vertical specimen is rigidly mounted at the base. A predetermined stress is applied by displacement of the upper end by means of a drive shaft and motor- driven cam . This i s illustrated in Figure 9. A group of six of these test units is mounted on a strong supporting frame as illustrated in Figure 10...

..., holographic, strain gage, and stress coat experiments were performed on model and full-size propellers. Static loads were applied and measured together with displacements, strains and stresses. Comparison of the results of the numerical (FEM) solutions to the experimental results shows that this method...