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Author : R. W. Tate
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (128 download)
Download or read book Droplet Size Data for Agricultural Spray Nozzles written by R. W. Tate and published by . This book was released on 1965 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. R. Kruger
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (125 download)
Download or read book Measuring the Effect of Spray Plume Angle on the Accuracy of Droplet Size Data written by G. R. Kruger and published by . This book was released on 2014 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of droplet size data using laser diffraction allows for quick and easy assessment of droplet size for agricultural spray nozzles and pesticides; however, operation and setup of the instrument and test system can potentially influence the accuracy of the data. One of the factors is the orientation of the spray plume relative to the laser beam. The common practice is to orientate the nozzle such that the nozzle orifice's long axis is 90 degrees from the laser beam. Some wind tunnels are designed in a manner such that the spray plume impinges with the walls or the design of the nozzle may necessitate a deviation from this standard practice to obtain a measurement in some situations. The objective of this research was to determine the influence spray plume orientation had on measured droplet size spectra in a low-speed wind tunnel. The orientation of the nozzle tested was 45, 60, 75, and 90 degrees in rotation relative to the laser beam. Four nozzles (AIXR11005, AI11005, TT11005, and XR11005) were evaluated using three different spray solutions. Treatments were evaluated using a laser diffraction system. The results indicate that spray plume orientation does not have an effect on droplet size data for these nozzles, regardless of spray solution. The data from these tests will aid in the standardization of laser diffraction use in low-speed wind tunnels and increase the repeatability of measurements between different spray testing laboratories.
Author : Moatasim Mohamed Sid Ahmed
Publisher :
ISBN 13 :
Total Pages : 350 pages
Book Rating : 4.:/5 (32 download)
Download or read book Analysis of Drop Size Spectra from Agricultural Nozzles written by Moatasim Mohamed Sid Ahmed and published by . This book was released on 1987 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. Clint Hoffman
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (125 download)
Download or read book Response Surface Method for Evaluation of the Performance of Agricultural Application Spray Nozzles written by W. Clint Hoffman and published by . This book was released on 2016 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Droplet size, as one of the critical factors that influences spray performance and drift, must be considered when selecting spray nozzles and operational setups. Characterizing a spray nozzle for droplet size is typically completed by evaluating only a select few nozzle types, sizes, and spray pressures, which typically do not provide detailed droplet size information for the entire operational space. This research proposes a structured, experimental design that allows for the development of computational models for droplet size based on any combination of a nozzle's potential operational settings. Ten nozzles with two operational settings (orifice and pressure) and one with three (orifice, pressure, and tip) were evaluated using a response surface experimental design. All models showed high levels of fit to independently collected droplet size data. The computational models were integrated into a spreadsheet-based user interface that allows convenient droplet size predictions for a given nozzle setup. The developed models also allowed for a detailed analysis of each nozzle's entire operational space thereby providing users with a screening tool based on desired droplet size classification. The use of the proposed experimental design provides for efficient nozzle evaluations that can be used to determined droplet size and classification for any combination of operational settings.
Author : Joseph Arena
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (29 download)
Download or read book Measurement of Flow and Droplet Size Distributions for Spray Nozzles written by Joseph Arena and published by . This book was released on 1973 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Greg R. Kruger
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (125 download)
Download or read book Effects of Nozzle Spray Angle on Droplet Size and Velocity written by Greg R. Kruger and published by . This book was released on 2014 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spray applicators have many choices in selecting a spray nozzle to make an application of an agricultural product. They must balance flow rate, spray pressure, and nozzle type and setup to deliver their agrochemical in the right droplet size for their particular needs. Studies were conducted to determine the spray exit angle and droplet velocity from three different flat fan nozzles (80°, 40°, and 20°) at three different spray pressures (140, 280, and 420 kPa). Each combination of nozzle and pressure was evaluated in a wind tunnel with airspeeds of 35.7, 53.6, 62.6, 71.5, and 80.5 m/s. At the nozzle exit, droplet velocities for the three nozzles tested were approximately 14, 20, and 25 m/s (~30, 45, and 56 mph) for spray pressures of 140, 276, and 415 kPa (20, 40, and 60 psi), respectively. Droplet velocities were constant across the entire flowfield measured with airstreams speed were 35.7 m/s (80 mph), but as the airstream speed increased, droplets at the end of the spray sheet were quickly accelerated. The data presented will allow applicators and researchers to select the nozzle and operating conditions that best suit their spraying needs.
Author : A.R. Womac
Publisher :
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (128 download)
Download or read book Spray Droplet Size Distributions of Various Nozzles written by A.R. Womac and published by . This book was released on 1990 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ivan W. Kirk
Publisher : U.S. Government Printing Office
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (319 download)
Download or read book Aerial Applicators Spray Nozzle Handbook written by Ivan W. Kirk and published by U.S. Government Printing Office. This book was released on 2004 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The objective of this handbook is to present aerial spray nozzle animation models in tabular format for use as a reference manual at the mix and load station, in the field, or at other locations where computer access is impractical or unavailable."--P. 8.
Author : John William Slocombe
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (972 download)
Download or read book Guide to Spray Nozzle Tip Selection by Droplet Size written by John William Slocombe and published by . This book was released on 2015 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Louis F. Bouse
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (123 download)
Download or read book Effect of Nozzle Type and Operation on Spray Droplet Size written by Louis F. Bouse and published by . This book was released on 1991 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : AJ. Adams
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (125 download)
Download or read book Droplet Spectra for Some Agricultural Fan Nozzles, with Respect to Drift and Biological Efficiency written by AJ. Adams and published by . This book was released on 1990 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The differences in drop size characteristics along the long axis of "fine", "medium" and "coarse" sprays produced by agricultural fan nozzles were determined using the Aerometries Phase Doppler Particle Analyzer (PDPA). Water, water + 0.06% adjuvant, water + 0.4% emulsifiable concentrate (EC) and water +0.2% dispersible granule (DG) were sprayed through each nozzle. There was little difference in volume median diameter (Dv.5), number median diameter (Dn.5) or percent (by number and volume of the spray contained in drops 100um or 300um diameter when water was compared with the DG. However, the EC had a significantly larger Dv.5 than the water sprayed through five out of the six nozzles tested. Therefore, sprays produced by specific nozzles cannot be reliably defined on the basis of data for water alone. The percentage of spray volume contained in drops 100um diameter (most likely to drift) was 4 times greater in fine compared to coarse sprays. However, the 6-fold difference in flowrate results in the higher throughput nozzles producing most "driftable" volume per unit time. In coarse sprays, 69 -- 84% by volume, but only 13 - 29% by number, was contained in drops 300um diameter (may rebound upon impaction). When these drops were artificially removed from the analysis, the Dv.5 was in the range 190 - 231um, irrespective of nozzle or'formulation. Thus, while coarse sprays contain, characteristically, large drops (which may contribute to off-target contamination because they are not retained well by plant surfaces), they are not associated with a reduced drift potential compared to fine sprays, based on volume production of drops
Author : Fiaz Ahmad
Publisher : BoD – Books on Demand
ISBN 13 : 1838819215
Total Pages : 538 pages
Book Rating : 4.8/5 (388 download)
Download or read book Technology in Agriculture written by Fiaz Ahmad and published by BoD – Books on Demand. This book was released on 2021-10-13 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food security is one of the primary themes of the United Nations’ Sustainable Development Goals. In this regard, agricultural engineering is considered the backbone of agriculture, and agricultural mechanization is considered a helpful way to enhance crop yield and farmers’ profitability. Technology in Agriculture presents research in the field of agricultural engineering technologies and applications in agricultural equipment engineering, biosystem engineering, energy systems engineering, and computers in agriculture. It provides an overview of recent advancements in agricultural engineering and examines key aspects of emerging technologies and their applications. In addition, the book explores modern methodologies such as artificial intelligence and machine learning for agricultural mechanization.
Author :
Publisher :
ISBN 13 :
Total Pages : 734 pages
Book Rating : 4.3/5 (243 download)
Download or read book Pesticides Documentation Bulletin written by and published by . This book was released on 1967 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Agricultural Research Service
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (121 download)
Download or read book Techniques for Producing and Measuring Water Drops written by United States. Agricultural Research Service and published by . This book was released on 1984 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter M. Neumann
Publisher : CRC Press
ISBN 13 : 1351092634
Total Pages : 285 pages
Book Rating : 4.3/5 (51 download)
Download or read book Plant Growth and Leaf-Applied Chemicals written by Peter M. Neumann and published by CRC Press. This book was released on 2018-01-18 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this volume is to provide a compendium of state of the art overview chapters by leading research, from diverse scientific fields, who share a common involvement in understanding and utilizing the interactions between chemicals and plant leaves.
Author : H. L. Crane
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.:/5 (31 download)
Download or read book A Study of Factors Governing the Efficiency of Distribution and Rate of Discharge of Spray Nozzles written by H. L. Crane and published by . This book was released on 1919 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Society of Agricultural Engineers
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (641 download)
Download or read book Nozzle Design-Sprayer written by American Society of Agricultural Engineers and published by . This book was released on 1981 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
