Laboratory and Full Boom-based Investigation of Nozzle Setup and Restriction Effects on Flow, Pressure, and Spray Pattern Distribution

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ISBN 13 :
Total Pages : 87 pages
Book Rating : 4.:/5 (956 download)

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Book Synopsis Laboratory and Full Boom-based Investigation of Nozzle Setup and Restriction Effects on Flow, Pressure, and Spray Pattern Distribution by : Shane H. Forney

Download or read book Laboratory and Full Boom-based Investigation of Nozzle Setup and Restriction Effects on Flow, Pressure, and Spray Pattern Distribution written by Shane H. Forney and published by . This book was released on 2016 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pesticide application is an integral part of crop production and ground-based agricultural boom sprayers are used extensively to apply pesticides to the crop canopy or soil surface across millions of acres in the United States. Efficient application is necessary to minimize costs and limit adverse environmental impacts. Errors in flow rate and system pressure measurements may cause as-applied maps to incorrectly indicate application rates and could negatively affect downstream data processing or analysis. The goals of this study were to provide quantified measurements on the effects of nozzle setup errors on spray pattern uniformity and evaluate how laboratory patternator data would compare to measurements on a full spray boom. More specific objectives were to: 1) determine the effects from factors such as nozzle lateral angle, nozzle spacing, nozzle replacement and nozzle pitch angle on spray pattern distribution, 2) evaluate a simulation approach to predict the effects of single nozzle boom setup errors on full boom system pattern uniformity, and 3) assess full boom operational measurements (e.g., flow, pressure, and spray pattern) to assess sensitivity for predicting boom distribution errors. Laboratory and field-based tests were devised to quantify the impact of nozzle setup and operational errors on spray pattern uniformity, boom pressure, and nozzle flow rates. Results indicated that small variations in boom setup or nozzle operation (i.e., pressure or flow) can cause significant errors in spray nozzle distribution which may not be completely detectable by measuring spray pattern alone. Simulations using laboratory data from setup or operational errors reflected similar changes in spray pattern CV as full boom data with similar setup errors. These findings were significant in that it may be possible to model full boom spray distributions based on smaller laboratory-collected datasets. Finally, full boom system-based pressure and flow measurements were compared with similar values at the boom subsection level. Results indicated that localized issues with nozzles or boom subsections may not be readily detected with system-based measurements. Those relying on system-based readings (e.g., pressure or flow) should expect errors exceeding 10% compared to localized measurements across the spray boom.

The Effect of Pressure on Pattern Distribution of Low Volume Spray Nozzles

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ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis The Effect of Pressure on Pattern Distribution of Low Volume Spray Nozzles by : Moses Jackson Morgan

Download or read book The Effect of Pressure on Pattern Distribution of Low Volume Spray Nozzles written by Moses Jackson Morgan and published by . This book was released on 1952 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Time-dependent Analysis for Quasi-one-dimensional Nozzle Flows with Vibrational and Chemical Nonequilibrium

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ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis A Time-dependent Analysis for Quasi-one-dimensional Nozzle Flows with Vibrational and Chemical Nonequilibrium by : John David Anderson (Jr.)

Download or read book A Time-dependent Analysis for Quasi-one-dimensional Nozzle Flows with Vibrational and Chemical Nonequilibrium written by John David Anderson (Jr.) and published by . This book was released on 1969 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new technique is presented for the numerical solution of quasi-one-dimensional, vibrational and chemical nonequilibrium nozzle flows including nonequilibrium conditions both upstream and downstream of the throat. This new technique is a time-dependent analysis which entails the explicite finite-difference solution of the quasi-one-dimensional unsteady flow equations in steps of time, starting with assumed initial distributions throughout the nozzle. The steady-state solution is approached at large values of time. A virtue of the present time-dependent analysis is its simplicity, which prevails from its initial physical formulation to the successful receipt of numerical results. Also, the present solution yields the transient as well as the steady-state nonequilibrium nozzle flows. To exemplify the present analysis, results are given for several cases of vibrational and chemical nonequilibrium expansions through nozzles. (Author).

Experimental Investigation of the Influence of Nozzle-flow Properties on the Primary Spray Breakup

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ISBN 13 : 9783832290016
Total Pages : 143 pages
Book Rating : 4.2/5 (9 download)

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Book Synopsis Experimental Investigation of the Influence of Nozzle-flow Properties on the Primary Spray Breakup by : Benjamin Sebastian Balewski

Download or read book Experimental Investigation of the Influence of Nozzle-flow Properties on the Primary Spray Breakup written by Benjamin Sebastian Balewski and published by . This book was released on 2010 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of Base Flow Field at High Altitude for a Four-engine Clustered Nozzle Configuration

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ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Experimental Investigation of Base Flow Field at High Altitude for a Four-engine Clustered Nozzle Configuration by : Edwin B. Brewer

Download or read book Experimental Investigation of Base Flow Field at High Altitude for a Four-engine Clustered Nozzle Configuration written by Edwin B. Brewer and published by . This book was released on 1969 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Base flow field at high altitude for four-engine clustered nozzle configuration.

Investigations of Internal Nozzle Multiphase Flow and Its Effects on Diesel Sprays

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ISBN 13 :
Total Pages : 262 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Investigations of Internal Nozzle Multiphase Flow and Its Effects on Diesel Sprays by : Kayhan H. Goney

Download or read book Investigations of Internal Nozzle Multiphase Flow and Its Effects on Diesel Sprays written by Kayhan H. Goney and published by . This book was released on 1999 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental and Analytical Investigation of a Nonaxisymmetric and Wedge Nozzle at Static Conditions

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ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Experimental and Analytical Investigation of a Nonaxisymmetric and Wedge Nozzle at Static Conditions by : George T. Carson

Download or read book Experimental and Analytical Investigation of a Nonaxisymmetric and Wedge Nozzle at Static Conditions written by George T. Carson and published by . This book was released on 1978 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A TECHNIQUE FOR THE INVESTIGATION OF SPRAY CHARACTERISTICS OF CONSTANT FLOW NOZZLES

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ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.L/5 ( download)

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Book Synopsis A TECHNIQUE FOR THE INVESTIGATION OF SPRAY CHARACTERISTICS OF CONSTANT FLOW NOZZLES by : JACK H. RUPE

Download or read book A TECHNIQUE FOR THE INVESTIGATION OF SPRAY CHARACTERISTICS OF CONSTANT FLOW NOZZLES written by JACK H. RUPE and published by . This book was released on 1949 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spray Nozzle Performance and Effects of Boom Height on Distribution

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ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Spray Nozzle Performance and Effects of Boom Height on Distribution by : H. J. Nation

Download or read book Spray Nozzle Performance and Effects of Boom Height on Distribution written by H. J. Nation and published by . This book was released on 1976 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Performance of Seven Semicircular Lift-producing Nozzles

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ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Performance of Seven Semicircular Lift-producing Nozzles by : Charles J. Shoemaker

Download or read book Performance of Seven Semicircular Lift-producing Nozzles written by Charles J. Shoemaker and published by . This book was released on 1965 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation of the thrust coefficient and lift force produced by seven semicircular lift-producing nozzles was conducted with air at ratios of total pressure to ambient pressure up to 1000. The nozzle-exit Mach numbers ranged from 2.22 to 4.54. The models were originally circular cross-section nozzles designed by the method of characteristics for uniform axial flow at the exit. These circular nozzles were split and a flat plate substituted for the lower half. The models were further modified to produce lift by cutting notches in the trailing edge of the flat plate. Test results of each configuration are given. Notching the flat plate did not significantly affect the thrust coefficient. A lift-thrust ratio of 0.21 was the maximum value recorded.

The Stability of Nozzle Flow and Boiling Pattern in Nozzles

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ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis The Stability of Nozzle Flow and Boiling Pattern in Nozzles by : Yoichi Fujiie

Download or read book The Stability of Nozzle Flow and Boiling Pattern in Nozzles written by Yoichi Fujiie and published by . This book was released on 1972 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of Two Nonaxisymmetric Wedge Nozzles at Free-stream Mach Numbers Up to 1.20

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ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Experimental Investigation of Two Nonaxisymmetric Wedge Nozzles at Free-stream Mach Numbers Up to 1.20 by : Mary L. Mason

Download or read book Experimental Investigation of Two Nonaxisymmetric Wedge Nozzles at Free-stream Mach Numbers Up to 1.20 written by Mary L. Mason and published by . This book was released on 1982 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effect of Nozzle Wear and Operating Parameters on Spray Pattern Distribution of 8004 Fan Nozzles

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ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (411 download)

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Book Synopsis Effect of Nozzle Wear and Operating Parameters on Spray Pattern Distribution of 8004 Fan Nozzles by : Padma P. Jayanthi

Download or read book Effect of Nozzle Wear and Operating Parameters on Spray Pattern Distribution of 8004 Fan Nozzles written by Padma P. Jayanthi and published by . This book was released on 1998 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cold-air Investigation of Three Variable-throat-area Convergent-divergent Nozzles

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ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Cold-air Investigation of Three Variable-throat-area Convergent-divergent Nozzles by : John E. McAulay

Download or read book Cold-air Investigation of Three Variable-throat-area Convergent-divergent Nozzles written by John E. McAulay and published by . This book was released on 1959 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wildlife/motor Vehicle Collisions

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (614 download)

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Book Synopsis Wildlife/motor Vehicle Collisions by :

Download or read book Wildlife/motor Vehicle Collisions written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Investigation of Installation Effects on Single-engine Convergent-divergent Nozzles

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ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Investigation of Installation Effects on Single-engine Convergent-divergent Nozzles by : James R. Burley

Download or read book Investigation of Installation Effects on Single-engine Convergent-divergent Nozzles written by James R. Burley and published by . This book was released on 1982 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cold-flow Experimental Investigation and Analysis of Two Sources of Nozzle Thrust Misalignment

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ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (777 download)

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Book Synopsis Cold-flow Experimental Investigation and Analysis of Two Sources of Nozzle Thrust Misalignment by : L. D. Strand

Download or read book Cold-flow Experimental Investigation and Analysis of Two Sources of Nozzle Thrust Misalignment written by L. D. Strand and published by . This book was released on 1969 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: