Transcript 2007年度能力建设项目申报

Lab Report
National Institute of Metrology, P.R.China
MENG Tao
Tsukuba 20,Oct.,2011
E-mail: [email protected]
1
Progress of NIM’s new flow facilities
• New air speed facility
• Hot water flow facility
• Hydrocarbon flow facility
• High pressure gas flow facility
2
Progress of NIM’s new flow facilities
• New air speed facility
Finish
• Hot water flow facility
• Hydrocarbon flow facility
• High pressure gas flow facility
3
Air speed facility
 Finish
 Cooperation with CMS
LDA & Wind Tunnel System
Test range: (0.2~35)m/s
Test section: 1000mm×800mm×800mm
4
Air speed facility
LDA
 Dantec company
Specification
→
Expanded uncertainty
Urel<0.2%，k=2
LDA
(1)3D velocity (Green, blue, Purple; λ=514.5nm,488nm,476nm)
(2)Particle diameter measurement; (1~100) μm
Tracing particle
ACETONE C3H6O（ρ= 0.788 g/ml）
Spinning disc system
5
Air speed facility Wind Tunnel
 Setting chamber inlet diameter ＝ 600mm
 Nozzle outlet diameter = 200mm
 Contraction ratio ＝ 9
 Diffuser inlet diameter ＝ 300mm
 Axial Flow Fan
6
Air speed facility Wind Tunnel
Particle tracing effects
Development of spinning disc
Value (m/s)
Length（m）
Time（s）
Spinning-disc
（0.1%，k=2）
Spinning-disc（0.1%，k=2）
转盘校准系统（0.1%，k=2）
Primary
Primary standard
standard
LDA+ Wind tunnel （0.2%，k=2）
Block effects
Stability of anemometry
Secondary standard
Pitot-tube
Meter
Anemometry
7
Progress of NIM’s new flow facilities
• New air speed facility
Finish
• Hot water flow facility
Building
• Hydrocarbon flow facility
• High pressure gas flow facility
8
Hot water flow facility
A2 Items
Content
A1 Items
Content
Flow Range
(0.8~600)m3/h
Flow Range
(0.03~40)m3/h
Pipe Size
DN80~DN200
Pipe Size
DN15~DN80
Temperature Range
5℃~90℃
Temperature Range
5℃~90℃
Uncertainty
0.05%, k=2
Uncertainty
0.05%, k=2
A2
A1
9
Hot water flow facility
B2
B1
B1
Content
B2
Content
Flow Range
(0.03~40)m3/h
Flow Range
(1.6~1500)m3/h
Pipe Size
DN15~DN80
Pipe Size
DN80~DN400
Temperature Range
Ambient-temperature ~ 55℃
Temperature Range
Ambient-temperature ~ 55℃
Uncertainty
0.2%, k=2
Uncertainty
0.2%, k=2
10
Hot water flow facility
Location in Beijing Heat
Group Company
Some Problems
A1 Items
Content
Flow Range
(0.03~40)m3/h
Pipe Size
DN15~DN80
Temperature Range
5℃~90℃
Uncertainty
0.05%, k=2
11
Progress of NIM’s new flow facilities
• New air speed facility
Finish
• Hot water flow facility
Building
• Hydrocarbon flow facility
Building
• High pressure gas flow facility
12
Hydrocarbon flow facility
Building in new campus of NIM
 Max Flow rate : 120m3/h
 Max pipe diameter :100mm
 Viscosity < 21 mm2/s
 Uncertainty < 0.05%
13
Hydrocarbon flow facility
14
Progress of NIM’s new flow facilities
• New air speed facility
Finish
• Hot water flow facility
Building
• Hydrocarbon flow facility
Building
• High pressure gas flow facility
Preparing
15
High pressure gas flow facility
The current 2m3
pVTt facility
Sonic nozzle as
master meter
Turbine meter as
master meter
The max flow rate is
40m3/h at 2.5MPa
The max flow rate is
400m3/h at 2.5MPa
The max flow rate is
1600m3/h at 2.5MPa
Primary
standard
Secondary
standard
Working
standard
Flow
increasing
16
P-29
13.5m
4m
P-26
E-13
P-27
High pressure gas flow facility
Close loop system
Blower
3X1.5m
Budget : $ 3 million
4m
Frequency control
Wind tunnel facility
Location : new site of NIM
P-16
Room 1007
Heat exchanger
P-22
E-9
Vacuum pump
P-22
P-11
4XDN100 Turbine meter
P-11
E-12
P-10
P-33
V-15
V-13
V-20
V-21
V-9
V-17
P-9
P-31
V-18
P-22 P-19
P-21
V-6
V-7
I-3
V-12
P-30
P-28
P-11
P-10
P-8
V-2
V-16
V-5
P-19
I-4
V-3
DN80 Rotary meter
Sonic nozzle bench
P-15
V-11
3.5m
6.5m
2.5m
15m
E-8
E-2
The new pVTt
location
8m
P-25
Room 1011,
P-1
The old pVTt
location
5m
Room 1012,
V-19
Meter under test
V-4
4m
V-8
P-6
Filter
0.5m
5m3 storage tank
Height 5m
Diameter 1.1m
E-19
P-34
10m3 storage tank
10 sets of 1m3 cylinder
Compressor
2.3X0.9m
Room 1010
E-3
17
Progress of NIM’s new flow facilities
• New air speed facility
Finish
• Hot water flow facility
Building
• Hydrocarbon flow facility
Building
• High pressure gas flow facility
Preparing
Plan of comparison and CMCs
18
Plan of comparison and CMCs
Facility
Comparison
CMCs
Water flow
finish
2012
Low pressure gas flow
Technical
comparison
2012-2013
Air speed
2012 or 2013
2014
Hot water flow
2013-2014
2014-2015
Hydrocarbon flow
2013-2014
2014-2015
High pressure gas flow
2015?
2016?
19
Thanks
20