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GB/T 32241-2015 English PDF

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GB/T 32241-2015: Equipment for crop protection -- Methods for the laboratory measurement of spray drift -- Wind tunnels
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GB/T 32241-2015English294 Add to Cart 3 days [Need to translate] Equipment for crop protection -- Methods for the laboratory measurement of spray drift -- Wind tunnels Valid GB/T 32241-2015

PDF similar to GB/T 32241-2015


Standard similar to GB/T 32241-2015

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Basic data

Standard ID GB/T 32241-2015 (GB/T32241-2015)
Description (Translated English) Equipment for crop protection -- Methods for the laboratory measurement of spray drift -- Wind tunnels
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B91
Classification of International Standard 65.060.40
Word Count Estimation 15,139
Date of Issue 2015-12-10
Date of Implementation 2016-07-01
Quoted Standard ISO 5682-1; ISO 25358
Adopted Standard ISO 22856-2008, IDT
Regulation (derived from) National Standard Announcement 2015 No.38
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the general principle of measuring the spray drift in a wind tunnel under laboratory control conditions. This standard applies to the comparative evaluation or classification of the spray drift rates associated with atomization devices such as nozzles or spray liquids, if necessary.

GB/T 32241-2015: Equipment for crop protection -- Methods for the laboratory measurement of spray drift -- Wind tunnels


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Equipment for crop protection - Methods for the laboratory measurement of spray drift - Wind tunnels ICS 65.060.40 B91 National Standards of People's Republic of China Plant protection machinery laboratory spray drift Methods of measurement wind tunnel test (ISO 22856.2008, IDT) Issued on. 2015-12-10 2016-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses the translation method identical with ISO 22856.2008 "crop protection spray drift measurement laboratory wind tunnel test". Correspondence between the consistency of the standards of international documents and normative references of the following documents. GB/T 20183.1-2006 crop protection - Spraying equipment - Part 1. Test methods for sprayer nozzles (ISO 5682-1. 1996, IDT) The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee (SAC/TC201) Agricultural machinery centralized. This standard is drafted by. Chinese Academy of Agricultural Mechanization Sciences, Modern Agricultural Equipment Technology Co., Ltd., China Agricultural University. The main drafters of this standard. Zhou Haiyan, Netherlands Rong Yan, Chen Jun Bao, He Xiongkui, who Aijun, Lin Yuhan Wang Qiang. Plant protection machinery laboratory spray drift Methods of measurement wind tunnel test

1 Scope

This standard specifies the general principles under laboratory controlled conditions of spray drift rate measurements in the wind tunnel. This standard applies to the atomizing device (nozzle) or spray a liquid (if necessary) related to spray drift rate comparative assessment or Classification.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. ISO 5682-1 Part 1 crop protection - Spraying equipment. Test methods for sprayer nozzles (Equipmentforcrop protection-Sprayingequipment-Part 1. Testmethodsforsprayernozzles) ISO 25358 Equipment for crop protection spray droplet size spectrum measurement apparatus and grading (Cropprotectionequipment- Droplet-sizespectrafromatomizers-Measurementandclassification)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Spray drift spraydrift Spraying process because of the amount of gas flow is out of the spray area (processing area) of the spray liquid. 3.2 Spray drift rate spraydriftpotential To drift downwind air mist atomizer accounts ejected percentage of the total. 3.3 Boundary boundarylayer Wind tunnel close to the ground, the average air velocity attenuation nominal flow velocity of the air layer of 95% or less. 3.4 Rated air flow rate nominalairspeed Horizontal airflow outside the boundary layer wind tunnel (in the direction of the main stream) average speed. Note 1. The rated flow velocity in meters per second (m/s) represented. Note 2. See A.3. 3.5 Turbulence degreeofturbulence Horizontal gas velocity relative to the amount of change in the nominal gas velocity.

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