Mathematical model for bulk modulus of hydraulic oil containing air bubbles

S Sakama, Y Tanaka, H Goto - Mechanical Engineering Journal, 2015 - jstage.jst.go.jp
Hydraulic systems have high-power density because its oil transmitting power has high
rigidity. However, when air bubbles are mixed into oil, they reduce oil stiffness and decrease …

Control of Air Bubble Content in Working Oil by Swirling Flow

S SAKAMA, Y TANAKA, Y KODERA… - … International Journal of …, 2022 - jstage.jst.go.jp
Air bubbles mixed in the hydraulic oil of hydraulic power transmission systems causes
deterioration of the dynamic characteristics of the system, component erosion, accelerated …

[PDF][PDF] Experimental investigation of effective bulk modulus of oil with entrained air bubbles

Y TANAKA, S SAKAMA, H Goto - Proceedings of the 12th …, 2014 - researchgate.net
Although hydraulic systems are compact and have high output power, the demand for further
downsized systems with increased output power has been on the rise in recent years. The …

Influence of Entrained Air on Effective Bulk Modulus of Hydraulic Fluid

S Sakama, H Goto, Y Tanaka - 유공압건설기계학회학술대회논문집, 2015 - dbpia.co.kr
Hydraulic systems have high-power density because its oil transmitting power has high
rigidity. However, when air bubbles are mixed into oil, they reduce oil stiffness and decrease …

2D22 Experimental investigation of effective bulk modulus of oil with entrained air bubbles (The 12th International Conference on Motion and Vibration Control)

Y TANAKA, S SAKAMA, H GOTO - … of the Symposium on the Motion …, 2014 - jstage.jst.go.jp
AIthough hydraulicsystems are compact and have high output power, the demand for
furtherdownsized systems with increasedoutput power has been on the rise inrecent years …

[PDF][PDF] 油圧作動液中の気泡含有量コントロール技術の研究

北村佳彬, 小寺康大, 田中豊, 坂間清子 - KYB technical review= KYB 技報 …, 2022 - kyb.co.jp
要旨自動車の無段変速機 (Continuously Variable Trans-mission (以下 CVT))
等に用いられる油圧ポンプにおいては, 油圧回路自体の振動により空気が油圧作動油表面から混入 …