Evaluating the effectiveness of vibration isolation using hydro pneumatic spring with inertial motion converter

Bur’yan, Yu. A.; Babichev, D. O.; Silkov, M. V.; Belkov, V. N.; Квасов, И. Н.

doi:10.1063/1.5051864

Cited by 2 publications

(1 citation statement)

References 4 publications

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“…Hydro-pneumatic suspension (HPS) systems, owing to their superior robustness and broadfrequency-range vibration attenuation, are increasingly being implemented in agricultural, construction and transportation vehicles [1][2][3][4][5]. The integration of nonlinear pneumatic-stiffness and hydraulic-damping properties could provide enhanced attenuation of translational vibrations and rotational motions under large payload variations.…”

Section: Introductionmentioning

confidence: 99%

Temperature and Frequency Dependent Nonlinearities of an Integrated Hydro-Pneumatic System with Mixed Gas-Oil Emulsion Flow

Yin

Rakheja²,

et al. 2023

Preprint

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Hydro-pneumatic suspension (HPS) systems is increasingly being implemented on commercial vehicles, mainly attributing to the integration of adaptable nonlinear pneumatic-stiffness and hydraulic-damping properties. The integrated HPS design with shared gas-oil chamber, however, leads to gas-oil emulsion flow within the suspension chambers which intricately affects internal and external properties of the HPS, especially under variations in temperature and excitation frequency. This study experimentally and analytically investigated the temperature- and frequency-dependent properties of the hydro-pneumatic suspension with the gas-oil emulsion. The laboratory experiments are performed under three different near-constant temperatures (30, 40 and 50°C) in the 0.5–8 Hz frequency range. An analytical model of the HPS is formulated considering the effects of temperature on internal fluid properties, gas-oil emulsion flows between coupled chambers, dynamic seal friction, and polytropic change in the gas state. The internal parameters, including the gas volume fraction and discharge coefficient of the emulsion and the dynamic friction components, as well as the external stiffness and damping characteristics are identified. The relationships between these properties and the system temperature, velocity and excitation frequency are further investigated. The simulated responses obtained under different excitations showed reasonably good agreements with the experimental results of the HPS. The results suggested that increased temperature yielded greater equivalent stiffness and comparable damping properties of the system. The gas volume fraction, discharge coefficient and magnitude of seal friction generally tended to increase with increasing temperature. Increased excitation frequency leaded to greater hysteresis in hydraulic damping force and seal friction, and reduced seal friction magnitude and Stribeck effect.

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Section: Introductionmentioning

confidence: 99%

Temperature and Frequency Dependent Nonlinearities of an Integrated Hydro-Pneumatic System with Mixed Gas-Oil Emulsion Flow

Yin

Rakheja²,

et al. 2023

Preprint

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Well productivity and reservoir recovery enhancement with using vibration wave impact technology

Квасов¹,

Фетисов²,

Aleksandrov³

et al. 2021

Izvestiâ vysših učebnyh zavedenij. Neftʹ i gaz

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The use of physical fields of elastic vibrations in methods of increasing well productivity and oil recovery is presented. Borehole hydrodynamic generators of elastic vibrations are the most preferable for performing vibration-wave treatments of the bottom-hole zone. Many generator designs lack reasonable parameters for the generated pressure fluctuations. In this regard, it is necessary a bench and oilfield research practice of hydrodynamic generators various designs with an objective hardware assessment of their operating parameters.

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Evaluating the effectiveness of vibration isolation using hydro pneumatic spring with inertial motion converter

Cited by 2 publications

References 4 publications

Temperature and Frequency Dependent Nonlinearities of an Integrated Hydro-Pneumatic System with Mixed Gas-Oil Emulsion Flow

Temperature and Frequency Dependent Nonlinearities of an Integrated Hydro-Pneumatic System with Mixed Gas-Oil Emulsion Flow

Well productivity and reservoir recovery enhancement with using vibration wave impact technology

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