1. E-mail: mengt@nim.ac.cn
Lab Report
MENG Tao
Tsukuba 20,Oct.,2011
National Institute of Metrology, P.R.China

2. Progress of NIM’s new flow facilities
New air speed facility
Hot water flow facility
Hydrocarbon flow facility
High pressure gas flow facility
As you kwon, NIM has a new campus in Changping of Beijing. Some new flow facility is being built or preparing to build. I am very glad to report the progress of these new flow facilities that include air speed facility ……

3. Progress of NIM’s new flow facilities
New air speed facility
Hot water flow facility
Hydrocarbon flow facility
High pressure gas flow facility
Finish

4. LDA & Wind Tunnel System
Air speed facility
Finish
Cooperation with CMS
This facility had finished at the end of last year. It is a LDA & wind tunnel system. Test range: (0.2~35)m/s. We have cooperation with CMS on this facility. The expert of CMS, like Dr. Yang give us lot of help. They have abundant experience.
LDA & Wind Tunnel System
Test range: (0.2~35)m/s
Test section: 1000mm×800mm×800mm

5. Air speed facility LDA Dantec company Specification
Expanded uncertainty
Urel<0.2%，k=2 → Spinning disc system
LDA
(1)3D velocity (Green, blue, Purple; λ=514.5nm,488nm,476nm)
(2)Particle diameter measurement; (1~100) μm
Tracing particle
ACETONE C3H6O（ρ= g/ml）
LDA was made by Dantec company. It is a 3D measurement system, and it has a water cooling system. ACETONE is used as tracing particle. The U of speed measurement is better than 0.2% after calibrated by spinning disc system.

6. Air speed facility Wind Tunnel
Setting chamber inlet diameter ＝ 600mm
Nozzle outlet diameter = 200mm
Contraction ratio ＝ 9
Diffuser inlet diameter ＝ 300mm
Axial Flow Fan

7. Air speed facility Wind Tunnel
Development of spinning disc
Value (m/s)
Particle tracing effects
Length（m）
Time（s）
转盘校准系统（0.1%，k=2）
Spinning-disc（0.1%，k=2）
Spinning-disc （0.1%，k=2）
转盘校准系统（0.1%，k=2）
转盘校准系统（0.1%，k=2）
转盘校准系统（0.1%，k=2）
转盘校准系统（0.1%，k=2）
转盘校准系统（0.1%，k=2）
Primary standard
Primary standard
LDA+ Wind tunnel （0.2%，k=2）
Stability of anemometry
Block effects
Secondary standard
Pitot-tube
My colleague has done many test on this LDA+wind tunnel facility this year.
To solve the problem of traceability of LDA, a new spinning disc system will be developed. This work will be finished next year.
Meter
Anemometry

8. Progress of NIM’s new flow facilities
New air speed facility
Hot water flow facility
Hydrocarbon flow facility
High pressure gas flow facility
Finish
Building

9. Hot water flow facility
A2 Items
Content
Flow Range
(0.8~600)m3/h
Pipe Size
DN80~DN200
Temperature Range
5℃~90℃
Uncertainty
0.05%, k=2
A1 Items
Content
Flow Range
(0.03~40)m3/h
Pipe Size
DN15~DN80
Temperature Range
5℃~90℃
Uncertainty
0.05%, k=2 A2
I had introduced this project in the last meeting. This facility include two weighting-diverter rig. 流量范围，温度范围，0.05% A1

10. Hot water flow facilityB2 B1 B1
Content
Flow Range
(0.03~40)m3/h
Pipe Size
DN15~DN80
Temperature Range
Ambient-temperature ~ 55℃
Uncertainty
0.2%, k=2
And two master meter calibration rig. Max flow rate 1500, but T is 55. B2
Content
Flow Range
(1.6~1500)m3/h
Pipe Size
DN80~DN400
Temperature Range
Ambient-temperature ~ 55℃
Uncertainty
0.2%, k=2

11. 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
The whole design had completed at the beginning of this year, but we encountered a problem that building the house of this lab is late than our prediction. That facility will locate in Heat group company. They hope the new building will be finished before May in the next year.
Small size facility A1 has temporary been assembled in the Changping campus of NIM. So I am busy for this facility recently. When I return to NIM after APMP meeting, I will do some test and experiment on it.

12. Progress of NIM’s new flow facilities
New air speed facility
Hot water flow facility
Hydrocarbon flow facility
High pressure gas flow facility
Finish
Building
Building

13. 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%
Same government Energy measurement plan. Building in new campus of NIM. 主要指标。This facility include 2 type of standard which are gravimetric method and pipe prover.

14. Hydrocarbon flow facility
Mostly equipment has reached the lab, and assembly and adjustment will be done in next year.

15. Progress of NIM’s new flow facilities
New air speed facility
Hot water flow facility
Hydrocarbon flow facility
High pressure gas flow facility
Finish
Building
Building
Preparing

16. High pressure gas flow facility
Turbine meter as master meter
The max flow rate is 1600m3/h at 2.5MPa
Sonic nozzle as master meter
The max flow rate is 400m3/h at 2.5MPa
The current 2m3 pVTt facility
The max flow rate is 40m3/h at 2.5MPa
Primary
standard
Secondary standard
Working
standard
There are several gas flow facility in our lab. But they are all low pressure gas flow facility ,like bell prover, piston prover and pVTt rig. So a high pressure rig is in the plan. The primary standard is still pVTt facility. We hope to improve the pressure of the rig form 0.4 Mpa now to 2.5. Sonic nozzle can be used as secondary standard, and turbine meter is the working standard.
Max flow rate: 1600
Flow
increasing

17. High pressure gas flow facility
Close loop system
Budget : $ 3 million
Location : new site of NIM
Wind tunnel facility
Room 1007
Room 1012,
The new pVTt
location
Room 1011,
The old pVTt location
A draft of a close loop system has been designed recently. 3million .We hope we can get budget support from government next year. We expect this facility will be complete in next 2-3 years.
Room 1010

18. Progress of NIM’s new flow facilities
New air speed facility
Hot water flow facility
Hydrocarbon flow facility
High pressure gas flow facility
Finish
Building
Building
Preparing
Finally, I will introduce our some plan of comparison and CMCs.
Plan of comparison and CMCs

19. Plan of comparison and CMCs
Facility
Comparison
CMCs
Water flow
finish
2012
Low pressure gas flow
Technical comparison
Air speed
2012 or 2013
2014
Hot water flow
Hydrocarbon flow
High pressure gas flow
2015?
2016?
Low pressure —— we have 2 TC with NIST and PTB. For the new facility we also hope participate some KC or bilateral comparison and apply more CMCs in the future.

20. Thanks