BS EN 419-2-2006 Non-domestic gas-fired overhead luminous radiant heaters - Rational use of energy《非家用燃气架空光辐射加热器 能量的合理使用》.pdf

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1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Part 2: Rational use of energyThe European Standard EN 419-2:2006 has the status of a British Stand

2、ardICS 97.100.20Non-domestic gas-fired overhead luminous radiant heaters BRITISH STANDARDBS EN 419-2:2006BS EN 419-2:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006ISBN 0 580 48758 XA list of organizations represente

3、d on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by

4、 using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunit

5、y from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 44, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publi

6、cationAmd. No. Date Comments aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in

7、the UK.National forewordThis British Standard is the official English language version of EN 419-2:2006. Together with BS EN 416-2:2006, it supersedes DD ENV 1259-1:1994, DD ENV 1259-2:1996 and DD ENV 1259-3:1996 which are withdrawn.The UK participation in its preparation was entrusted to Technical

8、Committee GSE/20, Non-domestic space heaters (Gas), which has the responsibility to: EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 419-2June 2006ICS 97.100.20 Supersedes ENV 1259-1:1994, ENV 1259-2:1996, ENV1259-3:1996 English VersionNon-domestic gas-fired overhead luminous radiant heaters -Part

9、 2: Rational use of energyAppareils surlevs de chauffage rayonnement lumineuxau gaz, usage non domestique - Partie 2 : Utilisationrationnelle de lnergieGasgerte-Heizstrahler Hellstrahler mit Brenner ohneGeblse fr gewerbliche und industrielle Anwendung - Teil2: Rationelle EnergienutzungThis European

10、Standard was approved by CEN on 16 March 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning

11、 such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language

12、 and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, N

13、etherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation

14、 in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 419-2:2006: EEN 419-2:2006 (E) 2 Contents Page Foreword. 4 1 Scope 5 2 Normative references . 5 3 Terms and definitions. 5 4 Classification of appliances. 7 4.1 Classification according to the nature of the gases us

15、ed 7 4.2 Classification according to the gases capable of being used . 7 4.3 Classification according to the mode of evacuation of the combustion products 7 5 Symbols . 7 6 Requirements for the rational use of energy .8 7 Test methods. 9 7.1 General. 9 7.2 Radiant factor 9 7.2.1 General. 9 7.2.2 Met

16、hod A 9 7.2.3 Method B 19 Annex A (informative) Recording test data (Test Method A)22 A.1 General information to be recorded 22 A.2 Measurement results 22 Annex B (informative) Blank forms (Test method A) 23 B.1 Model test result form Quarter sphere burner end and opposite end 23 B.2 Model test resu

17、lt form Quarter cylinders for appliances greater than 1,3 m long Front side and back side 24 B.3 Half sphere for appliances less than or equal to 1,3m long. 25 Annex C (informative) Worked example (Test method A) 26 C.1 Radiant factor Recorder data and calculation 26 C.2 Radiant output Recorded data

18、 and calculation 27 Annex D (normative) Procedure for measuring the window correction factor (Fw) (Test method A) 28 Annex E (normative) Correction of measured radiant output for absorption by air (Test methods A and B) . 29 E.1 General. 29 E.2 Mean beam length (D). 29 E.3 Absorption of radiation by

19、 water vapour 29 E.4 Absorption of radiation by carbon dioxide 30 E.5 Total radiation absorption 31 E.6 Calculation method. 31 Annex F (informative) Radiant heat output data - Recording of results (Test method B). 32 F.1 General information to be recorded 32 F.1.1 Test and appliance data . 32 F.1.2

20、Radiometer technical data . 32 F.1.3 Measuring plane technical data. 32 F.2 Measurement results 33 F.2.1 Test information 33 F.2.2 Test ambient conditions. 33 EN 419-2:2006 (E) 3F.2.3 Gas/heat input data. 33 F.2.4 Flue gas data . 33 F.2.5 Absorption of water vapour and CO2data . 34 F.2.6 Irradiation

21、 measurement data 34 Annex G (informative) Worked example (Test method B) 35 G.1 General information 35 G.2 Radiometer technical data . 35 G.3 Measuring plane technical data. 35 G.4 Measurement results 36 G.4.1 Test information 36 G.4.2 Test ambient conditions. 36 G.4.3 Gas/heat input data. 36 G.4.4

22、 Flue gas data . 36 G.4.5 Absorption of water vapour and CO2data . 37 G.4.6 Irradiation measurement data 37 Annex H (informative) Radiometer design (Test method B). 39 H.1 Principle radiometer design features 39 H.2 Radiometer technical design . 40 H.3 Pyro-electric detector . 40 Annex I (normative)

23、 Radiometer calibration (Test method B) 41 I.1 Radiometer calibration . 41 I.1.1 General. 41 I.1.2 Black Body calibration method . 41 I.2 Worked example 42 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements or other provisions of EU Directives . 44 EN 4

24、19-2:2006 (E) 4Foreword This European Standard (EN 419-2:2006) has been prepared by Technical Committee CEN/TC 180 “Non-domestic gas-fired overhead radiant heaters”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publicatio

25、n of an identical text or by endorsement, at the latest by December 2006, and conflicting national standards shall be withdrawn at the latest by December 2006. This European Standard supersedes ENV 1259-1:1994, ENV 1259-2:1996 and ENV 1259-3:1996 This European Standard has been prepared under a mand

26、ate given to CEN by the European Commission and the European Free Trade Association and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this European Standard. This part of EN 419 complements EN 419-1:

27、“Non-domestic gas-fired overhead luminous radiant heaters - Part 1: Safety”. It is intended that this standard would be reviewed 3 years after publication. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this E

28、uropean Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. E

29、N 419-2:2006 (E) 51 Scope This European Standard specifies the requirements and test methods for the rational use of energy of non-domestic gas-fired overhead luminous radiant heaters for environmental comfort, incorporating an atmospheric burner system referred to in the body of the text as “applia

30、nces”. This European Standard is applicable to Type A1appliances only (see 4.3). This European Standard is not applicable to: a) appliances designed for use in domestic dwellings; b) outdoor appliances; c) appliances of heat input in excess of 120 kW (based on the net calorific value of the appropri

31、ate reference gas); d) appliances having fully pre-mixed gas and air burners in which: 1) either the gas and all the combustion air are brought together just before the level of the combustion zone; or 2) pre-mixing of the gas and all combustion air is carried out in a part of the burner upstream of

32、 the combustion zone. e) appliances in which the supply of combustion air and/or the removal of the products of combustion is achieved by integral mechanical means. This standard is applicable to appliances which are intended to be type tested. Requirements for appliances which are not intended to b

33、e type tested would need to be subject to further consideration. 2 Normative references The following referenced documents are indispensable for the application of this European Standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenc

34、ed document (including any amendments) applies. EN 419-1: 1999, Non-domestic gas-fired overhead luminous radiant heaters Part 1: Safety 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in Clause 3 of EN 419-1: 1999 apply together with the following.

35、 3.1 radiation reference plane flat horizontal surface bound by the lower edge of the reflector or, in the case where radiant parts project below this lower edge of the reflector, the flat horizontal surface touching the lowest radiant part (see Figure 1) EN 419-2:2006 (E) 6122Key 1 Reflector 2 Refe

36、rence plane Figure 1 Radiation reference plane 3.2 irradiance (E) radiant power per unit area (W/m2) incident upon a surface 3.3 radiant factor (Rf) heat emitted by the appliance through the radiation reference plane divided by the net heat input of the test gas 3.4 measuring plane (Test method B on

37、ly) plane parallel to the radiation reference plane and 100 mm 3 mm below it 3.5 measuring grid (Test method B only) regular arrangement in the measuring plane of straight lines running parallel and perpendicular to the longitudinal axis of the appliance with sufficient precision ( 1 mm). The nodal

38、points of the measuring grid are located at the points of intersection of these lines (see Figure 2) such that the distance between all adjacent nodes points on these lines is 100 mm 2 mm EN 419-2:2006 (E) 7(0,0)(n, k)132Key 1 Heater 2 Nodal point 3 Measuring cell Fij Figure 2 Measuring grid (Test m

39、ethod B) 4 Classification of appliances 4.1 Classification according to the nature of the gases used The requirements of 4.1 of EN 419-1:1999 apply. 4.2 Classification according to the gases capable of being used The requirements of 4.2 of EN 419-1:1999 apply. 4.3 Classification according to the mod

40、e of evacuation of the combustion products The requirements of 4.3 of EN 419-1:1999 apply. 5 Symbols The symbols shown in Table 1 are used in this standard. Table 1 Symbols Symbol Title Unit 2COCoefficient in equation for kco2kPa-1m-1 OH2Coefficient in equation for kmoo m-1a Reflector length mm ACO2

41、Absorption factor of carbon dioxide A OH2Absorption factor of water vapour EN 419-2:2006 (E) 8Symbol Title Unit ATOTRadiant correction factor for water vapour and CO2in air (see Annex E) b Reflector width mm c Distance between two nodal points parallel with the longitudinal axis mm C Surface area co

42、rrection factor D Average thickness of radiating gas layer (from measurement point to radiation reference plane) m CO2Emission factor of carbon dioxide OH2Emission factor of water vapour E Actual irradiance from overhead radiant heater W/m2EaActual irradiance output by appliance in air W/m2EijIrradi

43、ance of the appliance measured at the nodal points of the measurement W/m2ifE Average irradiance over the measurement grid FijW/m2FwWindow correction factor HiNet calorific value of the test gas (at 15 C, 1013,25 mbar, dry gas) Wh/m3kCO2Coefficient in equation for emission factor of carbon dioxide k

44、Pa-1m-1k OH2Coefficient in equation for emission factor of water vapour kPa-1m-1L Length of reference surface cylinder m N Number of arc positions along the half cylinder (see Figure 2) n Coefficient in equations for 2COkand 2H Ok 2COP Partial pressure of carbon dioxide in ambient air kPa 2H OP Part

45、ial pressure of water vapour in ambient air kPa pmax,H20Saturated vapour pressure mbar p Gas supply pressure mbar paAtmospheric pressure mbar pWSaturation vapour pressure of fuel gas at temperature tgmbar QmMeasured heat input based on the net calorific value of the test gas W Q(R)CRadiant output af

46、ter correction for absorption of radiation in air W Q(R)MMeasured radiant output W R Radius to radiometer from centre of reference plane m Rf Radiant factor S Radiometer sensitivity V/(W/m2)tAAmbient air temperature C tgGas temperature at measuring point C ts Sensor temperature C U Sensor voltage V

47、V Gas volume input at test conditions m3/h VbSensor voltage recorded with radiation shield in place V VtSensor voltage recorded without radiation shield in place V VoGas volume rate under reference conditions (at 15 C, 1013,25 mbar, dry gas) m3/h OH2 Emissivity of water 6 Requirements for the ration

48、al use of energy When mounted horizontally in accordance with the manufacturers instructions and measured by one of the methods given in 7.2 the radiant factor of the appliance, adjusted to the nominal heat input, shall be in accordance with the values given in Table 2. EN 419-2:2006 (E) 9Table 2 Ra

49、diant factor for appliances mounted horizontally Class Radiant Factor 1 0,4 to 0,5 2 0, 5 7 Test methods 7.1 General The test shall be carried out with the appliance mounted horizontally in accordance with the manufacturers instructions. The requirements of 7.1 of EN 419-1: 1999 apply unless otherwise specified. 7.2 Radiant factor 7.2.1 General 7.2.1.1 Working area (requirements applicable to all methods of test) The working area shall be of a size to allow inst

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