Izvorni znanstveni članak
https://doi.org/10.31534/engmod.2024.1.ri.05v
Vibratory Conveying by Normal Oscillations with Piecewise Constant Acceleration and Longitudinal Harmonic Oscillations
Ihor Vrublevskyi
orcid.org/0000-0001-5954-7754
; Department of Engineering Mechanics (Weapons and Equipment of Military Engineering Forces), Hetman Petro Sahaidachnyi National Army Academy, Lviv, UKRAINE
Sažetak
Vibratory conveying of a material point by harmonic longitudinal oscillations and normal oscillations with a piecewise constant acceleration of an inclined conveying surface is considered. The dependence of dimensionless conveying velocity (a ratio of velocity to the product of frequency and amplitude of longitudinal oscillations) on several dimensionless parameters is investigated in the moving modes without hopping.
Maximal conveying velocity is achieved at a certain value of phase difference angle between the longitudinal and normal oscillations, which is called optimal. The equations for determining the optimal phase difference angle are obtained. The values of dimensionless conveying velocity and optimal phase difference angles depend on dimensionless parameters: the inclination angle parameter, the intense vibration parameter, and the index of asymmetry of normal oscillations – the ratio of the maximal acceleration to the gravitational acceleration.
Comparison of vibratory conveying by normal oscillations with piecewise constant acceleration to conveying by normal polyharmonic oscillations shows an increase in conveying velocity with the index of asymmetry, equal to the number of harmonics, especially at large inclination angles of a conveying track. For further research, it is proposed to verify the obtained theoretical results through experimental studies.
Ključne riječi
vibratory conveying velocity; two-component vibration
Hrčak ID:
317255
URI
Datum izdavanja:
30.6.2024.
Posjeta: 0 *