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JJF 1004-2004

JJF 1004-2004_English: PDF (JJF1004-2004)
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JJF 1004-2004English1029 Add to Cart Days<=7 Metrological Terms and Their Definitions for Flow Rate JJF 1004-2004 Valid JJF 1004-2004
 

BASIC DATA
Standard ID JJF 1004-2004 (JJF1004-2004)
Description (Translated English) Metrological Terms and Their Definitions for Flow Rate
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Classification of International Standard 17.120
Word Count Estimation 41,451
Date of Issue 2004-09-21
Date of Implementation 2005-03-21
Older Standard (superseded by this standard) JJF 1004-1986
Drafting Organization China Institute of Metrology
Administrative Organization Flow capacity measured at the National Technical Committee
Regulation (derived from) National Metrology technical regulations (industrial metrology 2005 Volume 15 Number 1) enacted in 2004
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine

JJF 1004-2004
Metrological Terms and Their Definitions for Flow Rate
National Metrological Technical Specifications of the People's Republic of China
Terms and definitions of flow measurement
Published on.2004-09-21
2005-03-21 Implementation
Published by the General Administration of Quality Supervision, Inspection and Quarantine
Terms and definitions of flow measurement
Instead of JJG1004-86
This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on September 21,.2004, and
Effective March 21,.2005.
Focal unit. National Flow Capacity Measurement Technical Committee
Drafting unit. Chinese Academy of Metrology
National Water Flow Metering Station
The central unit is entrusted with the interpretation of this specification
The main drafters of this specification.
Duan Huiming (Chinese Academy of Metrology)
Zhai Xiuzhen (Chinese Academy of Metrology)
Wang Zihe (National Water Metering Station)
Participating drafters.
Li Fang (Chinese Academy of Metrology)
table of Contents
1 General term (1)
1.1 flowrate (1)
1.2 pipeflow, ductflow (1)
1.3 Open Channel Flow (1)
1.4 flowmeter (1)
1.5 Flowmeter error characteristic curve (errorperformancecurveofflowmeter) (1)
1.6 metertube (1)
1.7 primary device (1)
1.8 secondary device (1)
1.9 outputsignal (1)
1.10 calibration factor of the primary device (1)
1.11 maximum flow-rate (1)
1.12 minimum flow-rate (1)
1.13 flow-raterange (2)
1.14 transitional flow-rate (2)
1.15 nominalflow-rate (2)
1.16 fullscale flow-rate (2)
1.17 pressureloss (2)
1.18 working conditions (2)
1.19 working temperature (2)
1.20 working pressure (2)
1.21 installation conditions (2)
1.22 straightlength (2)
1.23 wal (pressure) tapping (2)
1.24 drainholes (2)
1.25 ventholes (2)
1.26 swirling flow (2)
1.27 pulsating flow of mean constant flow-rate (2)
1.28 turbulentflow (3)
1.29 laminarflow (3)
1.30 steadyflow (3)
1.31 unstableflow (3)
1.32 multiphaseflow (3)
1.33 criticalflow (3)
1.34 velocity distribution (3)
1.35 Fully developed velocity distribution (fulydevelopedvelocitydistribution) (3)
1.36 regular velocity distribution (3)
1.37 flowprofile (3)
1.38 mean axial fluid velocity (3)
1.39 hydraulic diameter (3)
1.40 hydraulic radius (3)
1.41 Static Pressure (3)
1.42 absolute static pressure of the fluid (3)
1.43 gauge pressure (4)
1.44 dynamic pressure (4)
1.45 total pressure (4)
1.46 stagnation pressure (4)
1.47 Froude number (4)
1.48 Reynolds number (4)
1.49 Machnumber (4)
1.50 Strouhalnumber (4)
1.51 ratioofspecificheatcapacities (5)
1.52 isentropic exponent (5)
1.53 compressibility factor (5)
1.54 Coanda Effect (5)
1.55 Dopplereffect (5)
1.56 gauge (5)
1.57 bedslope (bottomslope) (5)
1.58 Surfaceslope (5)
1.59 Fal (5)
1.60 water level (stage; gaugeheight; liquidlevel) (5)
1.61 stage-dischargerelations (5)
1.62 benchmark (5)
1.63 Logging (gaugewel, stilingwel) (5)
1.64 head (5)
2 Measuring instruments and methods (6)
2.1 Differential pressure flowmeter (6)
2.2 Laminar Flowmeter (8)
2.3 critical flowmeter (criticalflowmeter) (8)
2.4 electromagnetic flowmeter (9)
2.5 Turbine Flowmeter (9)
2.6 vortex-sheddingflowmeter (9)
2.7 vortexprecessionflowmeter (10)
2.8 Ultrasonic Flowmeter (10)
2.9 Positive Displacement Flowmeter (11)
2.10 massflowmeter (11)
2.11 Rotameter (floatmeter) (11)
2.12 watermeters (12)
2.13 drygasmeter (12)
2.14 heatmeters (12)
2.15 Fuel Dispensers (12)
2.16 Gas Dispensers (12)
2.17 velocity-areamethods (13)
2.18 tracermethods (14)
2.19 weirflumemethods (14)
3 Flow standard device (16)
3.1 Liquid Flow Standard Facilities (16)
3.2 gasflow standard facilities (17)
3.3 Pipeprover (17)
3.4 mastermeter method (17)
4 Letter symbols (17)
Appendix A Chinese Index (19)
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