ASTM F2105-2011 Standard Test Method for Measuring Air Performance Characteristics of Vacuum Cleaner Motor Fan Systems《测量真空吸尘发动机 风扇系统空气性能特征的标准试验方法》.pdf

《ASTM F2105-2011 Standard Test Method for Measuring Air Performance Characteristics of Vacuum Cleaner Motor Fan Systems《测量真空吸尘发动机 风扇系统空气性能特征的标准试验方法》.pdf》由会员分享，可在线阅读，更多相关《ASTM F2105-2011 Standard Test Method for Measuring Air Performance Characteristics of Vacuum Cleaner Motor Fan Systems《测量真空吸尘发动机 风扇系统空气性能特征的标准试验方法》.pdf（20页珍藏版）》请在麦多课文档分享上搜索。

1、Designation:F210506 Designation: F2105 11An American National StandardStandard Test Method forMeasuring Air Performance Characteristics of VacuumCleaner Motor/Fan Systems1This standard is issued under the fixed designation F2105; the number immediately following the designation indicates the year of

2、original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method covers procedures for determining air perf

3、ormance characteristics of series universal motor/fan systemsused in commercial and household upright, canister, stick, hand-held utility, combination-type vacuum cleaners, and householdcentral vacuum cleaning systems.1.2 These tests and calculations include determination of suction, airflow, air po

4、wer, maximum air power, and input power underspecified operating conditions.NOTE 1For more information on air performance characteristics, see References (1) through (6).21.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information

5、only.1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address allof the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriatesafety and health practices and deter

6、mine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3E1 Specification for ASTM Liquid-in-Glass ThermometersE177 Practice for Use of the Terms Precision and Bias in ASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study to Determine

7、the Precision of a Test MethodE2251 Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision LiquidsF431 Specification for Air Performance Measurement Plenum Chamber for Vacuum Cleaners2.2 AMCA Standard:4210-85 Laboratory Methods of Testing Fans for Rating2.3 IEC Standard:5IEC 6

8、0312 Ed 3.2 Vacuum Cleaners for Household UseMethods of Measuring the Performance3. Terminology3.1 Definitions:3.1.1 air power, AP, W, nin a vacuum cleaner motor/fan system, the net time rate of work performed by an air stream whileexpending energy to produce an airflow by a vacuum cleaner motor/fan

9、 system under specified air resistance conditions.3.1.2 corrected airflow, Q, cfm, nin a vacuum cleaner motor/fan system, the volume of air movement per unit of time understandard atmospheric conditions.3.1.3 input power, W, nrate at which electrical energy is absorbed by a vacuum cleaner motor/fan

10、system.3.1.4 model, ndesignation of a group of vacuum cleaner motor/fan systems having the same mechanical and electricalconstruction.3.1.5 population, ntotal of all units of a particular model vacuum cleaner motor/fan system being tested.3.1.6 repeatability limit (r), nvalue below which the absolut

11、e difference between two individual test results obtained under1This test method is under the jurisdiction of ASTM Committee F11 on Vacuum Cleaners and is the direct responsibility of Subcommittee F11.22 on Air Performance.Current edition approved AprilNov. 1, 2006.2011. Published April 2006.Decembe

12、r 2011. Originally approved in 2001. Last previous edition approved in 20042006 asF2105 046. DOI: 10.1520/F2105-06.10.1520/F2105-11.2The boldface numbers in parentheses refer to the list of references appended to this test method.3For referenced ASTM standards, visit the ASTM website, www.astm.org,

13、or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.4Available from Air Movement and Control Association, Inc., 30 West University Dr., Arlington Heights, IL 60004-1893.5Available f

14、rom the IEC webstore, webstore.iec.ch, or American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous versi

15、on. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM Internationa

16、l, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.repeatability condition may be expected to occur with a probability of approximately 0.95 (95 %).3.1.7 repeatability standard deviation (Sr), nstandard deviation of test results obtained under repeatability condit

17、ions.3.1.8 reproducibility limit (R), nvalue below which the absolute difference between two test results obtained underreproducibility conditions may be expected to occur with a probability of approximately 0.95 (95 %).3.1.9 reproducibility standard deviation (SR), nstandard deviation of test resul

18、ts obtained under reproducibility conditions.3.1.10 sample, ngroup of vacuum cleaner motor/fan systems taken from a large collection of vacuum cleaner motor/fansystems of one particular model which serves to provide information that may be used as a basis for making a decision concerningthe larger c

19、ollection.3.1.11 standard air density, std, lb/ft3, natmospheric air density of 0.075 lb/ft3(1.2014 kg/m3).3.1.11.1 DiscussionThis value of air density corresponds to atmospheric air at a temperature of 68F (20C), 14.696 psi(101.325 kPa), and approximately 30 % relative humidity.3.1.12 suction, inch

20、es of water, nin a vacuum cleaner motor/fan system, the absolute difference between ambient andsub-atmospheric pressure.3.1.13 test run, ndefinitive procedure that produces the singular result of calculated maximum air power.3.1.14 test station pressure, Bt, inches of mercury, nfor a vacuum cleaner

21、motor/fan system, the absolute barometric pressureat the test location (elevation) and test time.3.1.14.1 DiscussionIt is not the equivalent mean sea level value of barometric pressure typically reported by the airport andweather bureaus. It is sometimes referred to as the uncorrected barometric pre

22、ssure (that is, not corrected to the mean sea levelequivalent value). Refer to 5.5 for additional information.3.1.15 unit, nsingle vacuum cleaner motor/fan system of the model being tested.4. Significance and Use4.1 The test results allow the comparison of the maximum air power at the vacuum cleaner

23、 motor/fan system inlet under theconditions of this test method.5. Apparatus5.1 Plenum ChamberSee Specification F431 or IEC 60312 Section 5.2.8.2 (Figure 13c).5.2 Water Manometers, or equivalent instruments. One to measure from 0 to 6 in. (152.4 mm) in increments of 0.01 in. (0.254mm), and one with

24、increments of 0.1 in (2.54 mm) for use in making measurements above 6 in. (152.4 mm). , or equivalentinstruments. One to measure from 0 to 6 in. (152.4 mm) in increments of 0.01 in. (0.254 mm), and one with increments of 0.1in (2.54 mm) for use in making measurements above 6 in. (152.4 mm). A single

25、 instrument having a resolution of 0.01 in. (0.254mm) over the entire required range may be used instead of two separate instruments.5.3 Wattmeter, to provide measurements accurate to within 61%.5.4 Voltmeter, to provide measurements accurate to within 61%.5.5 Barometer, with an accuracy of 60.05 in

26、. of mercury (1.27 mm of mercury), capable of measuring and displaying absolutebarometric pressure, scale divisions 0.02 in. (0.51 mm) or finer.5.5.1 Mercury barometers, in general, measure and display the absolute barometric pressure. Some corrections may be neededfor temperature and gravity. Consu

27、lt the owners manual.5.5.2 When purchasing an aneroid or electronic barometer, be sure to purchase one which displays the absolute barometricpressure, not the mean sea level equivalent barometric pressure value. These types of barometers generally have temperaturecompensation built into them and do

28、not need to be corrected for gravity.5.6 Sharp-Edge Orifice PlatesSee specifications in Specification F431.5.7 ThermometerSolid-stem, ambient thermometer having a range from 18 to 89F (or 8 to +32C) with graduations in 0.2F(0.1C), conforming to the requirements for thermometer 63F (17C) as prescribe

29、d in Specification E1. . As an alternative,thermometers S63F or S63C, as prescribed in Specification E2251, may be used. In addition, thermometric devices such asresistance temperature detectors (RTDs), thermistors, or thermocouples of equal or better accuracy may be used.5.8 PsychrometerThermometer

30、s graduated in 0.2F (0.1C).5.9 Voltage, Regulator System, to control the input voltage to the vacuum cleaner motor/fan system. The regulator system shallbe capable of maintaining the vacuum cleaner motor/fan systems rated voltage 61 % and rated frequency 61 Hz having a waveform that is essentially s

31、inusoidal with 3 % maximum harmonic distortion for the duration of the test.6. Sampling6.1 Aminimum of three units of the same model vacuum cleaner motor/fan system, selected at random in accordance with goodstatistical practice, shall constitute the population sample.6.1.1 To determine the best est

32、imate of maximum air power for the population of the vacuum cleaner motor/fan system modelbeing tested, the arithmetic mean of the maximum air power of the sample from the population shall be established by testing itto a 90 % confidence level within 65%.6.1.2 Annex A2 provides a procedural example

33、for determining the 90 % confidence level and when the sample size shall beincreased.F2105 112NOTE 2See Annex A2 for method of determining 90 % confidence level.7. Preparation for Test7.1 Mount the vacuum cleaner motor/fan system unit to the plenum chamber by any convenient method meeting therequire

34、ments of 7.1.1-7.1.5.1. See Fig. 1 for an example of a motor mounted to the plenum chamber.7.1.1 The motor/fan system inlet shall be centered with respect to the outlet opening of the plenum chamber.7.1.2 The motor/fan system inlet shall be mounted to the plenum chamber such that the inlet does not

35、project into the plenumchamber.7.1.2.1 If necessary, mount the motor/fan system to a standoff pipe, having an inside diameter of 4 in. and suitable length toprevent the motor/fan system inlet from projecting into the plenum chamber. See Fig. 2 for an example.7.1.3 Secure the motor/fan system unit to

36、 the plenum chamber such that it does not rotate when the motor starts.7.1.4 Seal all leaks between the motor/fan system inlet and the plenum chamber by any convenient means. See Fig. 3 forexample of mounting gasket and plate used to create a seal.7.1.5 For vacuum cleaner motor/fan systems requiring

37、 a part from the vacuum cleaner housing to complete the fan chamber,it is acceptable to mount the motor/fan system to this part and in turn mount the fan chambers inlet to the plenum chamber.7.1.5.1 It may be necessary to modify the vacuum cleaner housing by any convenient means to allow the fan cha

38、mber inlet tobe mounted per 7.1-7.1.4. The modifications shall not effect performance.7.2 Connect the motor/fan system to the power supply using a length of cable of sufficient size to maintain rated voltage at themotor/fan system electrical terminals.7.3 Set the manometers to zero and check all ins

39、truments for proper operation.7.4 Record the test station pressure and the dry-bulb and wet-bulb temperature readings within 6 ft of the test area. Read thebarometric pressure to the nearest 0.02 in. (0.51 mm), and the dry-bulb and wet-bulb temperatures to the nearest 0.2F (0.1C).7.5 Connect a manom

40、eter or equivalent instrument to the plenum chamber.7.6 Connect a wattmeter and a voltmeter in the line in accordance with Fig. 4.7.7 Wattmeter CorrectionIf needed, the indication may be corrected for voltmeter and wattmeter potential coil loss byopening the load circuit on the load side of the watt

41、meter with the line voltage at the operating value. The wattmeter currentconnection may be at its most sensitive position. Subtract this loss value from the total load indication to obtain the true load. Asan alternative method, use the following equation:WC5 WI2 V2/ RTF2105-11_1where:WC= corrected

42、wattage,WI= indicated wattage,V = voltmeter reading, andRT=R3 RV/(R+RV).where:RT= total resistances ,R= wattmeter potential coil resistance , andRV= voltmeter coil resistance, .FIG. 1 Motor Mounted to Plenum ChamberF2105 1138. Test Procedure8.1 Operate the vacuum cleaner motor/fan system with no ori

43、fice plate inserted in the plenum chamber inlet at nameplate ratedvoltage 61 % and frequency 61 Hz for 1 h prior to the start of the first test run. For vacuum cleaner motor/fan systems with dualnameplate voltage ratings, conduct testing at the highest voltage.8.2 For each subsequent test run, allow

44、 the unit to reach its normal operating temperature by allowing the vacuum cleanermotor/fan system to operate at the open orifice for 1 to 2 min between test runs.8.3 While operating the vacuum cleaner motor/fan system per 8.2, insert orifice plates sequentially into the orifice plate holderof the p

45、lenum chamber starting with the largest size orifice and following it with the next smaller orifice plate. Use the followingorifice plates: 2.0, 1.5, 1.25, 1.0 0.875, 0.75, 0.625, 0.5, 0.375, 0.25 and 0.0 in. (50.8, 38.1, 31.7, 25.4, 22.2, 19.0, 15.8, 12.7, 9.5,6.3 mm). The following optional orific

46、e plates may also be used: 2.5, 2.25, 1.75, 1.375, 1.125 in. (63.5, 57.2, 44.5, 34.9, 28.6 mm).FIG. 2 Example of Standoff PipeFIG. 3 Mounting Plate and GasketFIG. 4 Schematic Diagram of Meter ConnectionsF2105 1148.4 For each orifice plate, record the suction, h, and input power, P, in that order. Al

47、l readings should be taken within 10 s ofthe orifice insertion. Allow the vacuum cleaner motor/fan system to operate at the open orifice for 1 to 2 min before inserting thenext orifice.8.4.1 Read the suction to the nearest graduation of the manometer. Readings should be taken as soon as the manomete

48、r reachesa true peak. (When using a fluid type manometer, the liquid level may peak, drop, and peak again. The second peak is the truepeak reading. A person conducting the test for the first time shall observe at least one run before recording data. See SpecificationF431 for instructions on how to m

49、inimize the overshoot (first peak) of the liquid level.)9. Calculation9.1 Correction of Data to Standard Conditions:9.1.1 Air Density RatioThe density ratio, Dr, is the ratio of the air density at the time of test test, to the standard air density,std= 0.075 lb/ft3(1.2014 kg/m3). It is used to correct the vacuum and wattage readings to standard conditions. Find test(lb/ft3orkg/m3) from standard psychometric charts or ASHRAE tables and calculate Dras follows:F2105-11_2where:test= the air density at the time of test, lb/ft3, an