Control logic and strategy for emergency condition of piston type energy recovery device

Song, Daiwang; Wang, Yue; Xu, Shichang; Hanzo, Lajos; Liu, Hui; Wang, Shichang

doi:10.1016/j.desal.2014.05.044

Cited by 17 publications

(3 citation statements)

References 23 publications

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“…Finally, these values will be stored in the computer and displayed in the form of flow and pressure curves in real-time. Both the hardware and software of the data acquisition system adopted in this paper belong to the EZ Data Logger [30].…”

Section: Flow Diagram Of the Emulate Test Platformmentioning

confidence: 99%

“…The automatic model is based on the signal control mode which judges the progress of pressurization and depressurization processes of the RS-ERD according to the signals from the magnetic sensors fixed on the cylinders. The manual control model is set for specific requirements, like the initial status adjustment of the RS-ERD [30].…”

Section: Flow Diagram Of the Emulate Test Platformmentioning

confidence: 99%

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Analysis, experiment and application of a power-saving actuator applied in the piston type energy recovery device

Song

Wang

et al. 2015

Desalination

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Section: Flow Diagram Of the Emulate Test Platformmentioning

confidence: 99%

Section: Flow Diagram Of the Emulate Test Platformmentioning

confidence: 99%

Analysis, experiment and application of a power-saving actuator applied in the piston type energy recovery device

Song

Wang

et al. 2015

Desalination

Self Cite

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“…Seawater reverse osmosis (SWRO) technology is now a well established water desalination way to solve the water shortage problem globally [1][2][3][4]. The rotary energy recovery device (RERD) can effectively recover the pressure energy from the rejected high pressure brine on the principle of positive displacement and has become one of the key facilities to reduce the operational cost in SWRO system [5,6]. When the rotor of RERD is rotated, the performance of the energy recovery device impact is greatly affected by the endcover clearance, circular clearance,and rotate speed of the rotor.…”

Section: Introductionmentioning

confidence: 99%

Research on Rotational Resistance Moment of Rotary Energy Recovery Device

et al. 2018

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The effects of operational conditions on the resistance moment of a rotary energy recovery device have been systematically investigated through the computational fluid dynamics in this paper. Based on the structural characteristics of the rotary energy recovery device, the hydro-static bearing was established on both sides of the rotor. Simulation results indicate that for the rotation resistance moment generated by the rotor internal flow path, the rotation speed is linearly positive with the rotational resistance moment. For the rotation resistance moment generated by the clearance flow, the rotation speed is also positively correlated with the rotational resistance moment. The circular clearance size is negatively correlated with the rotation resistance moment, and the endcover fluid film size is negatively correlated with the rotation resistance moment. The boundary speed between laminar flow and turbulent flow was found by comparing the changing trend of rotational resistance moment. The obtained relation between clearance, the speed of the rotor and resistance moment provides a simple way to predict the resistance moment of the device, which will be beneficial to design the energy-efficient rotary energy recovery device

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Investigations on the applicability of hydrostatic bearing technology in a rotary energy recovery device through CFD simulation and validating experiment

Wang

et al. 2016

Desalination

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Control logic and strategy for emergency condition of piston type energy recovery device

Cited by 17 publications

References 23 publications

Analysis, experiment and application of a power-saving actuator applied in the piston type energy recovery device

Analysis, experiment and application of a power-saving actuator applied in the piston type energy recovery device

Research on Rotational Resistance Moment of Rotary Energy Recovery Device

Investigations on the applicability of hydrostatic bearing technology in a rotary energy recovery device through CFD simulation and validating experiment

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