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Applied Sciences, Vol. 7, Pages 816: Analysis of the Energy Efficiency of a Pneumatic Booster Regulator with Energy Recovery

09 Aug 2017

Applied Sciences, Vol. 7, Pages 816: Analysis of the Energy Efficiency of a Pneumatic Booster Regulator with Energy Recovery

Applied Sciences doi: 10.3390/app7080816

Authors:
Fan Yang
Kotaro Tadano
Gangyan Li
Toshiharu Kagawa

Pneumatic booster regulators (PBR) are in great demand in modern pneumatic systems for their energy-saving abilities. A new booster regulator with energy recovery (VBA-R) was proposed, and its energy efficiency was investigated by introducing the concept of air power. On the basis of quality-alterable gas thermodynamics, an energy efficiency assessment and pressure response model for VBA-R was proposed. First, a model was solved using MATLAB/Simulink software, and an alternative experiment was designed to verify the mathematical model and performance improvement. The results showed that the simulation was consistent with the experiment. We also can conclude that, first of all, the energy efficiency decreases with the increasing of supply pressure and flow-rate consumption; a VBA-R has the highest efficiency when its diameter ratio is closest to 1.3. Finally, a recovery chamber helped to improve the performance of the VBA-R, which included a boost ratio improvement of 15–25% and an efficiency improvement of 5–10% compared with a conventional VBA booster regulator. This research lays the foundation for optimism regarding the proposed booster regulator.

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