油动单旋翼植保无人机雾滴飘移分布特性
为了研究油动单旋翼植保无人机在精准作业参数（速度、高度）条件下的雾滴飘移分布特性,该文建立了雾滴飘移收集测试平台,分别用雾滴飘移测试框架、等动量雾滴收集装置和培养皿收集3WQF80-10型油动单旋翼植保无人机在作业时空中及地面飘移的雾滴。将测试结果分别与侧风风速、飞行高度、飞行速度进行相关分析和回归分析,结果表明：在平均温度31.5℃、平均相对湿度34.1%的条件下,侧风风速为雾滴飘移的主要影响因素;侧风风速与等动量雾滴收集器和培养皿测得的雾滴飘移率呈正相关（相关系数r分别为0.97、0.93）;而与雾滴飘移测试框架测得的雾滴飘移率无相关性;侧风风速为0.76~5.5 m/s时,90%飘移雾滴...
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| Published in | 农业工程学报 Vol. 33; no. 1; pp. 117 - 123 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国农业大学理学院,北京,100193%Bonds Consulting Group LLC, Panama City Florida 32408, USA%Institute for Chemical Application Technology of JKI, Messeweg 11/12 D-38104 Braunschweig, Germany%安阳全丰航空植保科技有限公司,安阳,455001
2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.11975/j.issn.1002-6819.2017.01.016 |
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| Abstract | 为了研究油动单旋翼植保无人机在精准作业参数（速度、高度）条件下的雾滴飘移分布特性,该文建立了雾滴飘移收集测试平台,分别用雾滴飘移测试框架、等动量雾滴收集装置和培养皿收集3WQF80-10型油动单旋翼植保无人机在作业时空中及地面飘移的雾滴。将测试结果分别与侧风风速、飞行高度、飞行速度进行相关分析和回归分析,结果表明：在平均温度31.5℃、平均相对湿度34.1%的条件下,侧风风速为雾滴飘移的主要影响因素;侧风风速与等动量雾滴收集器和培养皿测得的雾滴飘移率呈正相关（相关系数r分别为0.97、0.93）;而与雾滴飘移测试框架测得的雾滴飘移率无相关性;侧风风速为0.76~5.5 m/s时,90%飘移雾滴沉降在喷雾区域下风向水平距离9.3~14.5 m的范围内,因此在作业时要预留至少15 m以上缓冲区（安全区）以避免药液飘移产生的危害。研究结果可为低空低量植保无人机施药技术研究和建立植保无人机低空低量施药田间雾滴沉积与飘移测试标准提供参考。 |
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| AbstractList | S252+.3; 为了研究油动单旋翼植保无人机在精准作业参数(速度、高度)条件下的雾滴飘移分布特性,该文建立了雾滴飘移收集测试平台,分别用雾滴飘移测试框架、等动量雾滴收集装置和培养皿收集3WQF80-10型油动单旋翼植保无人机在作业时空中及地面飘移的雾滴.将测试结果分别与侧风风速、飞行高度、飞行速度进行相关分析和回归分析,结果表明:在平均温度31.5℃、平均相对湿度34.1％的条件下,侧风风速为雾滴飘移的主要影响因素;侧风风速与等动量雾滴收集器和培养皿测得的雾滴飘移率呈正相关(相关系数r分别为0.97、0.93);而与雾滴飘移测试框架测得的雾滴飘移率无相关性;侧风风速为0.76～5.5 m/s时,90％飘移雾滴沉降在喷雾区域下风向水平距离9.3～14.5 m的范围内,因此在作业时要预留至少15m以上缓冲区(安全区)以避免药液飘移产生的危害.研究结果可为低空低量植保无人机施药技术研究和建立植保无人机低空低量施药田间雾滴沉积与飘移测试标准提供参考. 为了研究油动单旋翼植保无人机在精准作业参数（速度、高度）条件下的雾滴飘移分布特性,该文建立了雾滴飘移收集测试平台,分别用雾滴飘移测试框架、等动量雾滴收集装置和培养皿收集3WQF80-10型油动单旋翼植保无人机在作业时空中及地面飘移的雾滴。将测试结果分别与侧风风速、飞行高度、飞行速度进行相关分析和回归分析,结果表明：在平均温度31.5℃、平均相对湿度34.1%的条件下,侧风风速为雾滴飘移的主要影响因素;侧风风速与等动量雾滴收集器和培养皿测得的雾滴飘移率呈正相关（相关系数r分别为0.97、0.93）;而与雾滴飘移测试框架测得的雾滴飘移率无相关性;侧风风速为0.76~5.5 m/s时,90%飘移雾滴沉降在喷雾区域下风向水平距离9.3~14.5 m的范围内,因此在作业时要预留至少15 m以上缓冲区（安全区）以避免药液飘移产生的危害。研究结果可为低空低量植保无人机施药技术研究和建立植保无人机低空低量施药田间雾滴沉积与飘移测试标准提供参考。 |
| Abstract_FL | In recent years,the unmanned aircraft application techniques and equipments are rapidly developing in China.In order to evaluate spray drift characteristics and to find out the buffer areas of pesticide drift during aerial spraying by 3WQF80-10 unmanned aerial vehicle (UAV),spray tests were conducted using UAV at different working height and velocity in wheat field (114°39′E、36°152q).Three measurement methods were used to test the sediment and airborne spray drift distribution of UAV in Anyang city,Henan,Province,respectively.Various collectors were used,including petri dishes,rotary impactors and 2-mm diameter polythene lines.A spatial spray deposition sampling frame (5 m by 5 m by 2 m) with such lines was made to collect droplets of UAV pesticide application from downwind direction.Five petri dishes were put at 1,3,5,10,15 and 20 m away from the frame on the ground according to ISO 22866 standard and 5 rotary impactors were set at 20 m to collect spatial fine droplets.Beidou navigation satellite system was used for controlling and recording the working height and velocity of UAV,ZENO-3200 meteorological station system was used to monitor wind speed of flight direction,as well as humidity and temperature.Brilliant sulphoflavine (BSF) solution with 0.1％ concentration was used to spray wheat fields and the deposit of spraying droplets were analyzed by fluorescence spectrophotometer to study the drift distribution characteristics of droplet deposition.Drift potential index (DIX) was used to evaluate droplet drift on the spray drift sampling frame,cumulative spray drift was used to evaluate spray drift of petri dishes and application rate of spray drift was used to evaluate the rotary impactor method.The results showed that the influence of wind speed on spray drift was greater than flight height and flight velocity of UAV under the condition of the average temperature 31.5 ℃ and average relative humidity 34.1％.Wind speed was positively correlated with the application rate of spray drift based on rotary impactors and petri dishes (correlation coefficient was 0.97 and 0.93,respectively) while it was not well related to DIX of sampling frame.There were 8％ droplet drift on the spray drift sampling frame above 4 m from the ground while about 80％ droplet drift below 2 m when the parameters of UAV was flight height 1.5-3 m and flight velocity was 2.4-5 rr/s.The droplet drift only occurred downwind of the spraying field,and as the wind speed was 0.76-5.5 m/s,the 90％ drift droplets were located within a range of 9.3-14.5 m of the target area,so a 15 m buffer zone should be considered downwind the spraying field for safe aerial spraying.The rotary impactor sampler had a higher drift collect efficiency than petri dishes.This research would provide data support to spray drift control and to establishment of aviation spray standards. |
| Author | 王潇楠 何雄奎 王昌陵 王志翀 李龙龙 王士林 Jane·Bonds Andreas·Herbst 王志国 |
| AuthorAffiliation | 中国农业大学理学院,北京100193 Bonds Consulting Group LLC, Panama City Florida 32408, USA Institute for Chemical Application Technology ofJKI, Messeweg 11/12 D-38104 Braunschweig, Germany 安阳全丰航空植保科技有限公司,安阳455001 |
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| Keywords | 雾滴 unmanned aerial vehicles droplets sediment spray drift 无人机 rotary impactor spraying distribution 风 airborne spray drift 等动量雾滴收集器 喷药 空中飘移 分布 地面飘移 wind |
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| Notes | unmanned aerial vehicles; spraying; wind; droplets; airborne spray drift; sediment spray drift; rotary impactor; distribution Wang Xiaonan1, He Xiongkui1, Wang Changling1, Wang Zhichong1, Li Longlong1, Wang Shilin1, Jane · Bonds2, Andreas · Herbst3, Wang Zhiguo4 （1. College of Science, China Agricultural University, Beijing 100193, China; 2. Bonds Consulting Group LLC, Panama City Florida 32408, USA; 3. Institute for Chemical Application Technology of JKl, Messeweg 11/12 D-38104 Braunschweig, Germany; 4. Quanfeng Aviation Plant Protection Technology Co., Ltd., Anyang 455001, China） 11-2047/S In recent years, the unmanned aircraft application techniques and equipments are rapidly developing in China. In order to evaluate spray drift characteristics and to find out the buffer areas of pesticide drift during aerial spraying by 3WQF80-10 unmanned aerial vehicle（UAV）, spray tests were conducted using UAV at different working height and velocity in wheat field（114°39′E、36°15′N）. Three measurement methods were used to |
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| SubjectTerms | 分布 喷药 地面飘移 无人机 空中飘移 等动量雾滴收集器 雾滴 风 |
| Title | 油动单旋翼植保无人机雾滴飘移分布特性 |
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