Advances in CFD-based fluid computational dynamics for fruit tree model construction method and airflow regulation equipment
Abstract
Key words: airflow-assisted technology; airflow field; fruit tree canopy modeling; airflow regulation; airflow-droplet co-regulation
DOI: 10.25165/j.ijabe.20251802.9554
Citation: Lu H C, Li X, Xu T, Qi Y N, Yuan Q C, Qiu W, et al. Advances in CFD-based fluid computational dynamics for fruit
tree model construction method and airflow regulation equipment. Int J Agric & Biol Eng, 2025; 18(2): 1–8.
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People’s Republic of China Bureau of Statistics. 2023 China statistical yearbook. Beijing: China Statistics Press. 2023; 238p. (in Chinese)
Zhang H F, Xu L Y. Summary of research status on orchard sprayer. Journal of Chinese Agricultural Mechanization, 2014; 35(3): 112–118. (in Chinese)
Zhao Y, Xiao H R, Mei S, Song Z Y, Ding W Q, Jin Y, et al. Current status and development strategies of orchard mechanization production in China. Journal of China Agricultural University, 2017; 22(6): 116–127. (in Chinese)
Du X R, Chen N L. Overview of countermeasure suggestions for pollution-free production of Jingning apples. Gansu Agriculture, 2017; 4: 28–30. (in Chinese)
Bian Y L. Design and experimental study of multi-fan wind-driven sprayers for orchards. Master’s dissertation. Hebei: Hebei Agricultural University, 2022; 75p. (in Chinese)
Fu X M, Lyu X L, Ding W M, Wu P, Ding S M, Qiu W. Present state and technical requirement about orchard plant protection machinery in China. Journal of Chinese Agricultural Mechanization, 2009; 6: 10–13, 17. (in Chinese)
He X K. Improving severe draggling actuality of plant protection machinery and its application techniques. Transactions of the CSAE, 2004; 20(1): 13–15. (in Chinese)
Su L X. Research and design of key components of orchard sprayer. Master’s dissertation. Chongqing: Chongqing Three Gorges University, 2023; 70p. (in Chinese)
Li X H, Wang P F, Li J P, Yang X, Bian Y L. A comparative study on the spraying effect of orchard wind sprayers under different air supply modes. Journal of Fruit Science, 2020; 37(7): 1065–1072. (in Chinese)
Lyu X L, Zhang M N, Chang Y H, Lei X H, Yang Q S. Influence of deflector angles for orchard air-assisted sprayer on 3D airflow distribution. Transactions of the CSAE, 2017; 33(15): 81–87. (in Chinese)
Liu X H. Study on air-assisted droplets penetration in dense canopy based on stratification porosity. PhD dissertation. Taian: Shandong Agricultural University, 2021; 134p. (in Chinese)
Endalew A M, Hertog M, Verboven P, Baetens K, Delele M A, Ramon H, et al. Modelling airflow through 3d canopy structure of orchards. Aspects of Applied Biology, 2006; 77(2): 465–472.
Endalew A M, Hertog M, Delele M A, Baetens K, Persoons T, Baelmans M, et al. CFD modelling and wind tunnel validation of airflow through plant canopies using 3D canopy architecture. International Journal of Heat and Fluid Flow, 2009; 30(2): 356–368.
Endalew A M, Hertog M, Gebrehiwot M G, Baelmans M, Ramon H, Nicolaï B M, et al. Modelling airflow within model plant canopies using an integrated approach. Computers and Electronics in Agriculture, 2009; 66(1): 9–24.
Endalew A M, Debaer C, Rutten N, Vercammen J, Delele M A, Ramon H, et al. A new integrated CFD modelling approach towards air-assisted orchard spraying. Part I. Model development and effect of wind speed and direction on sprayer airflow. Computers and Electronics in Agriculture, 2009; 71(2): 128–136.
Endalew A M, Debaer C, Rutten N, Vercammen J, Delele M A, Ramon H, et al. A new integrated CFD modelling approach towards air-assisted orchard spraying-Part II: Validation for different sprayer types. Computers and Electronics in Agriculture, 2009; 71(2): 137–147.
Hong S-W, Zhao L Y, Zhu H P. CFD simulation of airflow inside tree canopies discharged from air-assisted sprayers. Computers and Electronics in Agriculture, 2018; 149: 121–132.
Wang B Q. Study on airflow and resistance characteristics of a 3D canopy structure. Master’s dissertation. Shanghai: Donghua University, 2016; 81p. (in Chinese)
Cao J X, Tamura Y, Yoshida A. Wind tunnel study on aerodynamic characteristics of shrubby specimens of three tree species. Urban Forestry & Urban Greening, 2012; 11(4): 465–476.
Mercer G N. Modelling to determine the optimal porosity of shelterbelts for the capture of agricultural spray drift. Environmental Modelling and Software, 2009; 24(11): 1349–1352.
Loeffler A E, Gordon A M, Gillespie T J. Optical porosity and windspeed reduction by coniferous windbreaks in Southern Ontario. Agroforestry Systems, 1992; 17: 119–133.
Zhu J J, Matsuzaki T, Gonda Y. Optical stratification porosity as a measure of vertical canopy structure in a Japanese coastal forest. Forest Ecology and management, 2003; 173(1-3): 89–104.
Houghton J T. The physics of atmospheres. London: Cambridge University Press. 2002; 203p.
Qu Y H, Meng J H, Wan H W, Li Y T. Preliminary study on integrated wireless smart terminals for leaf area index measurement. Computers and Electronics in Agriculture, 2016; 129: 56–65.
Zarate-Valdez J L, Whiting M L, Lampinen B D, Metcalf S, Ustin S L, Brown P H. Prediction of leaf area index in almonds by vegetation indexes. Computers and Electronics in Agriculture, 2012; 85: 24–32.
Palleja T, Landers A J. Real time canopy density validation using ultrasonic envelope signals and point quadrat analysis. Computers and Electronics in Agriculture, 2017; 134: 43–50.
Zhang M N, Lv X L, Qiu W, Lei X H, Yang Q S, Zhang D X. Calculation method of leaf area density based on three-dimensional laser point cloud. Transactions of the CSAM, 2017; 48(11): 172–178. (in Chinese)
Neinavaz E, Skidmore A K, Darvishzadeh R, Groen T A. Retrieval of leaf area index in different plant species using thermal hyperspectral data. ISPRS Journal of Photogrammetry and Remote Sensing, 2016; 119: 390–401.
Zhou L F, Xue X Y, Jia W D, Ding S M, Sun Z. Application of CFD technology in air-assisted spraying in orchard and analysis of its prospects. Journal of Drainage and Irrigation Machinery Engineering, 2014; 32(9): 776–782. (in Chinese)
Xu T, Lv X L, Qi Y N, Zeng J, Lei X H, Yuan Q C. Research status on equipment and technology of orchard air-assisted sprayer in China. Journal of Chinese Agricultural Mechanization, 2023; 44(7): 69–77. (in Chinese)
Fu Z T, Wang J, Qi L J, Wang H T. CFD simulation and experimental verification of air-velocity distribution of air-assisted orchard sprayer. Transactions of the CSAE, 2009; 25(1): 69–74. (in Chinese)
Ding T H, Cao S M, Xue X Y, Ding S M, Zhou L F, Qiao B Y. Simulation and experiment on single-channel and double-channel airflow field of orchard sprayer. Transactions of the CSAE, 2016; 32(14): 62–68, 315. (in Chinese)
Dekeyser D, Duga A T, Verboven P, Endalew A M, Hendrickx N, Nuyttens P. Assessment of orchard sprayers using laboratory experiments and computational fluid dynamics modelling. Biosystems Engineering, 2013; 114(2): 157–169.
García-Ramos F J, Malón H, Aguirre A J, Boné A, Puyuelo J, Vidal M. Validation of a CFD model by using 3D sonic anemometers to analyse the air velocity generated by an air-assisted sprayer equipped with two axial fans. Sensors, 2015; 15(2): 2399–2418.
Liu C C, Zheng Z Q, Cheng H, Zou X Y. Airflow around single and multiple plants. Agricultural and Forest Meteorology, 2018; 252: 27–38.
Zhang H, Qi L J, Wang J J, Musiu E M, Zhou J R, Lu Z L, et al. Numerical simulation of downwash airflow distribution inside tree canopies of an apple orchard from a multirotor unmanned aerial vehicle (UAV) sprayer. Computers and Electronics in Agriculture, 2022; 195: 106817.
Endalew A M, Debaer C, Rutten N, Vercammen J, Delele M A, Ramon H Nicolaï B M, et al. Modelling pesticide flow and deposition from air-assisted orchard spraying in orchards: A new integrated CFD approach. Agricultural and Forest Meteorology, 2010; 150(10): 1383–1392.
Duga A T, Dekeyser D, Ruysen K, Ruysen D, Bylemans D, Nuyttens D, et al. Numerical analysis of the effects of wind and sprayer type on spray distribution in different orchard training systems. Boundary-Layer Meteorology, 2015; 157: 517–535.
Zhang Y N. CFD modeling research on orchard spatial airflow field and interaction between airflow and tree for orchard spraying. Master’s dissertation. Shanxi: Northwest A&F University, 2021; 58p. (in Chinese)
Qiu W, Ding W M, Fu X M, Wang X C, Lv X L, Li Y N. Design and experiment of ring double-channel fan for spraying machine in orchard. Transactions of the CSAE, 2012; 28(12): 13–17. (in Chinese)
Li C, Zhang X, Jiang J, Hu Y Y. Development and experiment of riser air-blowing sprayer in vineyard. Journal of Agricultural Engineering, 2013; 29(4): 71–78. (in Chinese)
Qiu W, Ding W M, Wang X C, Gong Y, Zhang X X, Lyu X L. 3WZ-700 self-propelled air-blowing orchard sprayer. Transactions of the CSAM, 2012; 43(4): 26–30, 44. (in Chinese)
Xu S, Zha C Y, Zhu R X, Guo J J, Li W, Han R Z. Design of an orchard air-assisted sprayer with adjustable spray height. Journal of Northwest A&F University (Natural Science Edition), 2013; 41(11): 229–234. (in Chinese)
Dou H J, Zhai C Y, Chen L P, Wang X. Research progress on airflow adjustment methods of air-Assisted spraying in orchards. Journal of Agricultural Mechanization Research, 2021; 43(7): 10–18. (in Chinese)
Zhai C Y, Zhao C J, Wang N, Long J, Wang X, Weckler P, et al. Research progress on precision control methods of air-assisted spraying in orchards. Transactions of the CSAE, 2018; 34(10): 1–15. (in Chinese)
Niu C Q, Zhang W J, Wang Q, Zhao X X, Fan G J, Jiang H H. Current status and trends of research on adjusting air volume of orchard air spray. Journal of Chinese Agricultural Mechanization, 2020; 41(12): 48–54. (in Chinese)
Song L J, Li J P, Yang X, Wang P F. Optimization design of wind field parameters of tower type wind - Driven orchard sprayer. Journal of Agricultural Mechanization Research, 2020; 42(4): 12–17. (in Chinese)
Su N, Guo K J, Man D W, Wu L G, Zhu J G. Design and test of a vertical air-fed spraying machine. Forestry Machinery & Woodworking Equipment, 2019; 47(5): 28–31. (in Chinese)
Pai N, Salyani M, Sweeb R D. Regulating airflow of orchard airblast sprayer based on tree foliage density. Transactions of the ASABE, 2009; 52(5): 1423–1428.
Khot L R, Ehsani R, Albrigo G, Landers A J, Larbi P A. Spray pattern investigation of an axial-fan airblast precision sprayer using a modified vertical patternator. Applied Engineering in Agriculture, 2012; 28(5): 647–654.
Khot L R, Ehsani R, Albrigo G, Larbi P A, Landers A, Campoy J. Air-assisted sprayer adapted for precision horticulture: Spray patterns and deposition assessments in small-sized citrus canopies. Biosystems Engineering, 2012; 113(1): 76–85.
Qiu W, He J M, Sun Y H, Liao Y Y, Zhou L F, Liu Y D. Effect of spray angles on profiling-flow field distribution from a multi-channel air-assistant sprayer in fruit tree applications. Journal of Nanjing Agricultural University, 2020; 43(2): 379–386. (in Chinese)
Qiu W. Development and experimental research of Self-propelled Air assisted Orchard Sprayer. PhD dissertation. Jiangsu: Nangjing Agricultural University. 2012; 119p. (in Chinese)
Qiu W, Ding W M, Shen B Y, Shi Q C, Wan N C, Gu J B. Analysis on trafficability of 3WZ-700 orchard sprayer. Transactions of the CSAM, 2012; 43(6): 63–67, 146. (in Chinese)
Jiang H H, Niu C Q, Liu L M, Wang D W, Wang J S. Design and experiment of air volume control system of orchard multi-pipe air sprayer. Transactions of the CSAM, 2020; 51(S2): 298–307. (in Chinese)
Li L L, He X K, Song L J, Wang X N, Jia X M, Liu C H. Design and experiment of automatic profiling orchard sprayer based on variable air volume and flow rate. Transactions of the CSAE, 2017; 33(1): 70–76. (in Chinese)
Qiu W, Zhao S Q, Ding W M, Sun C D, Lu J, Li Y N, et al. Effects of fan speed on spray deposition and drift for targeting air-assisted sprayer in pear orchard. Int J Agric & Biol Eng, 2016; 9(4): 53–62.
Song S R, Hong T S, Sun D Z, Zhu Y Q, Luo C Y. Effect of fan power supply frequency on deposition of air-assisted sprayer. Transactions of the CSAE, 2011; 27(1): 153–159. (in Chinese)
Miranda-Fuentes A, Rodríguez-Lizana A, Gil E, Agüera-Vega J, Gil-Ribes J A, et al. Influence of liquid-volume and airflow rates on spray application quality and homogeneity in super-intensive olive tree canopies. Science of the Total Environment, 2015; 537: 250–259.
Landers A J. Developments towards an automatic precision sprayer for fruit crop canopies. In: Proceedings of the 2010 Pittsburgh, Pennsylvania: American Society of Agricultural and Biological Engineers, 2010; doi: 10.13031/2013.29778.
Osterman A, Godeša T, Hočevar M, Širok B, Stopar M. Real-time positioning algorithm for variable-geometry air-assisted orchard sprayer. Computers and Electronics in Agriculture, 2013; 98: 175–182.
Doruchowski G, Swiechowski W, Godyn A, Holownicki R. Automatically controlled sprayer to implement spray drift reducing application strategies in orchards. J Fruit Ornam Plant Res, 2011; 19: 175–182.
Doruchowski G, Balsari P, Marucco P, Van de Zande J, Wenneker M. Crop adapted spray application (CASA): precise and safe plant protection in fruit growing. Aspects of Applied Biology, 2012; 114: 129–136.
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