ДСТУ EN ISO 5801:2019 Вентиляторы. Эксплуатационные испытания с применением стандартизированных воздуховодов (EN ISO 5801:2017, IDT; ISO 5801:2017, IDT)

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(ДП «УкрНДНЦ»)

Наказ від 23.12.2019 № 486

EN ISO 5801:2017

Fans — Performance testing using standardized airways
(ISO 5801:2017)

прийнято як національний стандарт
методом підтвердження за позначенням

ДСТУ EN ISO 5801:2019
(EN ISO 5801:2017, IDT; ISO 5801:2017, IDT)

Вентилятори. Експлуатаційні випробування
із застосуванням стандартизованних повітроводів

З наданням чинності від 2020-01-01

 
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols, abbreviated terms and subscripts

4.1 Symbols and abbreviated terms

4.2 Subscripts

5 General

6 Test configurations

6.2 Category A configuration

6.3 Category В configuration

6.4 Category C configuration

6.5 Category D configuration

6.6 Inlets and outlets

6.7 Fans with significant swirl

7 Carrying out the test

7.1 Working fluid

7.2 Rotational speed

7.3 Steady operation

7.4 Ambient conditions

7.5 Pressure readings

7.6 Test for a specified duty

7.7 Test for a fan characteristic curve

7.8 Operating range

8 Airways for duct simulations

8.2 Common segments at fan inlet (iCS)

8.3 Inlet duct simulation (iDS)

8.4 Common segment at fan outlet (oCS)

8.5 Outlet duct simulation (oDS)

8.6 Long duct (LD)

8.7 Loss allowances for standardized airways

9 Standardized test chambers

9.1 General

9.2 Pressure tappings

9.3 Flow-settling means

9.4 Standardized inlet test chambers (iTC)

9.5 Standardized outlet test chambers (oTC)

10 Various component parts for a laboratory setup

10.1 General

10.2 Variable supply system

10.3 Straightener

10.4 Transition parts

11 Standard test configurations

11.1 Units

11.2 Measuring flow rate

11.3 Standard test configurations A

11.4 Standard test configurations B

11.5 Standard test configurations C

11.6 Standard test configurations D

12 Measurements.

12.1 Calibration

12.2 Dimensions and cross-sectional areas

12.3 Rotational speed

12.4 Power input

12.5 Mass flow rate

12.6 Temperature

12.7 Humidity

12.8 Pressure

12.9 Air properties

13 Reference conditions

14 General rules for conversion of test results

14.1 General

14.2 Laws on fan similarity

15 Calculations

15.1 Test results

15.2 Efficiencies

15.3 Conversion rules

16 Fan characteristic curves

16.1 Methods of plotting

16.2 Characteristic curves at constant speed

16.3 Characteristic curves at inherent speed

16.4 Complete fan characteristic curve

16.5 Test for a specified duty

16.6 Specific fan types

17 Uncertainty analysis

17.1 Principle

17.2 Pre-test and post-test analysis

17.3 Analysis procedure

17.4 Propagation of uncertainties

17.5 Reporting uncertainties

17.6 Maximum allowable uncertainties for measurements

17.7 Maximum allowable uncertainty of results

Annex A (normative) Determination of air flow rate

Annex В (informative) Fan-powered roof exhaust ventilators

Annex C (informative) Chamber leakage test procedure

Annex D (informative) Fan outlet elbow in the case of a non-horizontal discharge axis

Annex E (informative) Input power calculation for driven fans at design point

Annex F (informative) Motor fed from a variable frequency speed device

Annex G (informative) Axial fans without outlet guide vanes

Annex H (informative) Vapour pressure, p_v

Annex I (informative) Clearances

Annex J (normative) Polytropic approach for the calculation of p_fC from p_fTe

Annex К (informative) Examples for test setups

Annex L (informative) Measurement of plenum fans and plug fans

Annex M (informative) Comparison of NEMA methodology for calculation motor efficiency with IEC

Annex N (informative) Report and results of test

Bibliography