Study on supersonic swirling condensation characteristics of CO2 in Laval nozzle

Chen, Jianan; Jiang, Wenming; Han, Chenyu; Liu, Yang

doi:10.1016/j.jngse.2020.103672

Cited by 12 publications

(2 citation statements)

References 36 publications

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“…The authors have designed the atomization nozzles required for aeroponics, which are more effective in terms of droplet particle size and uniformity of particle size distribution [15] . However, the above-mentioned nozzle has complex structures, and high cost, which are not conducive to the popularization of aeroponics technology.…”

Section: Ultrasonic Nozzle and High-speed Airflow Designmentioning

confidence: 99%

Design of a high-voltage electrostatic ultrasonic atomization nozzle and its droplet adhesion effects on aeroponically cultivated plant roots

Gao¹,

Guo²,

Tunio³

et al. 2023

International Journal of Agricultural and Biological Engineering

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In the process of aeroponics cultivation, the atomizer is one of the most important influencing factors on the cultivation process. This study presented the design of an ultrasonic atomization nozzle using contact charging and a root droplet adhesion test rig. The purpose of this study was to reveal the relationship between the main operating parameters of the high-voltage electrostatic ultrasonic atomization nozzle and the atomization effect using droplet adhesion measurements. In this study, the ultrasonic effect of nozzle was achieved by using Laval tube, and the design of the key parameters for the highvoltage electrostatic ultrasonic atomization nozzle were inlet pressure, electrostatic voltage root core electrode material and spray distance; the droplet size variation and root adhesion patterns were obtained through experiments. The best operating parameters were analyzed by using the orthogonal test method, and the droplet deposition distribution of the root system at different scales was investigated in the atomization chamber. The test results revealed that when the root core electrode material was coppe and the nozzle working parameters were at 0.4 MPa of inlet pressure, at 1.75 m the spray distance, at 12 kV of the electrostatic voltage, the root system has the highest droplet adhesion.

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Section: Ultrasonic Nozzle and High-speed Airflow Designmentioning

confidence: 99%

Design of a high-voltage electrostatic ultrasonic atomization nozzle and its droplet adhesion effects on aeroponically cultivated plant roots

Gao¹,

Guo²,

Tunio³

et al. 2023

International Journal of Agricultural and Biological Engineering

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show abstract

“…Cao et al performed CO2 condensation modellings within supersonic flows considering the mixture of CH4-CO2 [19] and CH4-H2S-CO2 [20], respectively. Jiang et al carried out numerical simulations of CO2 condensation in supersonic nozzles, including the effect of operating parameters [21], the profile of nozzle converging part [22], and swirling flows [23] on the phase change process. Chen et al [24] numerically evaluated the effect of the nozzle exit area on the CO2 condensation based on the mixture of CH4-CO2.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamics analysis of CO2 condensation in supersonic flows for the potential of clean offshore natural gas processing

Wen

Ding

et al. 2022

Applied Energy

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Effect of Cyclone on Purification and Separation Performance of Supersonic Separator

Liu

Jiang

Li³

2022

Proceedings of the 2021 International Petroleum and Petrochemical Technology Conference

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Study on supersonic swirling condensation characteristics of CO2 in Laval nozzle

Cited by 12 publications

References 36 publications

Design of a high-voltage electrostatic ultrasonic atomization nozzle and its droplet adhesion effects on aeroponically cultivated plant roots

Design of a high-voltage electrostatic ultrasonic atomization nozzle and its droplet adhesion effects on aeroponically cultivated plant roots

Thermodynamics analysis of CO2 condensation in supersonic flows for the potential of clean offshore natural gas processing

Effect of Cyclone on Purification and Separation Performance of Supersonic Separator

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