1. Industrial Flowmeters Ultrasonic Flowmeter deltawaveC

2. Industrial Flowmeters Topics  Applications  Measurement Principle  Heat Rate Measurement  Target Markets  Prices  Competing systems / Competitors ClampOn  Hands-On  Summary

3. Industrial Flowmeters deltawaveC – Flow metering of liquids in filled pipes

4. Industrial Flowmeters Applications – Overview (1) Flow metering for Waste Water Pipes Flow metering for Pumping Stations

5. Industrial Flowmeters Applications – Overview (2) Flow metering for Heating Systems Others: Cooling / Feeding / Drinking Water Beverages / Pharmaceuticals Oil / Fuels Air conditioning systems

6. Industrial Flowmeters Measurement Principle – Time-of-Flight (1)

7. Industrial Flowmeters Prinzip der Laufzeitmessung T1  L D Measurement Principle – Time-of-Flight (2) Ultrasonic Transducers T2 Piezo Element

8. Industrial Flowmeters Signal Propagation Prinzip der Laufzeitmessung L D vs_tr V2 e.g. 2500m/s) Mounting Distance X -> Path fractures because of different speed of sounds of material(s) / fluid -> X depends on media and pipe material (coating if applicable) -> X is calculated by deltawaveC depending on given parameters Speed of sound V3 e.g. 1480m/s)  

9. Industrial Flowmeters Reynolds-Compensation (1) Viscosities µ (Examples): Water (25°C): 0.00089 Oil: 2.9 -> Flow Profile depends on Number of Reynolds -> Influence of Reynolds has to be compensated

10. Industrial Flowmeters Reynolds-Compensation (2) Laminar Flow Profile Re < 2000 (only when very low flow and/or media with high viscosity)

11. Industrial Flowmeters Reynolds-Compensation (3) Turbulent Flow Profile Re > 8000 [most of applications Re is > 8000 e.g. water 20°c, v=0.04 m/s -> Re =10,000 ]

12. Industrial Flowmeters Reynolds-Compensation (4) Flow needs to be corrected (slightly) depending on number of Reyndols. -> In deltawaveC number of Reynolds and Factor k are automatically calculated depending on flow velocity (k ≈ 0.94…1 )

13. Industrial Flowmeters Prinzip der Laufzeitmessung Propagation Losses (1) Ultrasonic Transducers Scattering: Modification of direction of signal caused by reflections from gas bubbles, particles…. (Effect is higher at higher transducer frequencies ) Scattering

14. Industrial Flowmeters Propagation Losses (2) Ultrasonic Transducers Absorption: Conversion of acoustic energy into heat by friction between the water molecules (sound waves cause compression and expansion of water) (function of frequency squared) Absorption

15. Industrial Flowmeters Prinzip der Laufzeitmessung Propagation Losses (3) Ultrasonic Transducers -> Both effects (increase exponentially with increase in path length -> Different transducers / mounting options are available to get stable and reliable measurement Absorption Scattering

16. Industrial Flowmeters Prinzip der Laufzeitmessung T1  L D Mounting – Z-Mounting (1) Ultrasonic Transducer T2 Prinzip der Laufzeitmessun g L D Ultrasonic Transducer

17. Industrial Flowmeters Measurement Principle – Z-Mounting (2)

18. Industrial Flowmeters Measurement Principle – V-mountings vs. Z-mounting Easy mountingOnly half of Path length ->Higher Signal Strength Recommended for big pipes and/or high particle load / gas load

19. Industrial Flowmeters Ultrasonic Transducers 2 MHz: DN15-DN100 1 MHz: DN100-DN400 500 kHz Highest Signal Strength DN200-DN6000

20. Industrial Flowmeters Signal Analysis – Cross-Correlation (1) time 322 Phase Shift 180°

21. Industrial Flowmeters Signal Analysis – Cross-Correlation (2) Real Signal (Due to inertance of transducers perfect rectangular pulses can not be generated by the transducers

22. Industrial Flowmeters Signal Analysis – Cross-Correlation (3) Reference SignalSend Signal Maximum of Correlation

23. Industrial Flowmeters Signal Analysis – Cross-Correlation (4) -> Use of Cross-Correlation gives a unique shape of signal -> (weak) Signals can be detected also in case of noise -> Measurement possible also in case of challenging conditions (e.g. Gas load / Particle load)

24. Industrial Flowmeters Signal Analysis – Cross-Correlation (5) Single PulsBurst 4Barker 7 (322) -> Depending on Type of Transducer proper signal will automatically be selected by electronic unit

25. Industrial Flowmeters Prinzip der Laufzeitmessung  L D Required Straight Run (1) Ultrasonic Transducers  +∆

26. Industrial Flowmeters Required Straight Run (2)

27. Industrial Flowmeters v1 D Required Straight Run (3) – crossed paths Ultrasonic Transducers  +∆  -∆ v2 Error caused by cross flow is compensated

28. Industrial Flowmeters Integrated Heat Transfer Measurement (1) Flow Pipe Heater PT100 Temperature T_hot PT100 Temperature T_cold Flow

29. Industrial Flowmeters Integrated Heat Transfer Measurement (2) Thermal Output

30. Industrial Flowmeters Integrated Heat Transfer Measurement (3) Thermal Output [W, kW] Heat Rate [J, kWh] -> continuous Output (e.g. 4…20mA Signal) -> Normally puls (counter, totalizer) output

31. Industrial Flowmeters Electronic Units (1) PortableStationary No. of Paths11 / 2 Physical QuantitiesFlow, velocity, Thermal Output, Heat Rate, Flow direction, Accumulated Flow TotalizersVolume, Mass, Heat Quantity Diagnostic FunctionsSound velocity, Signal Amplitutde, SNR, Signal Qualits (SQ), Signal Scan @ Display Analog Outputs2x 4…20mA Digital Outputs1 x Relay1/2x Relay Inputs2x PT100 InterfacesUSB

32. Industrial Flowmeters Electronic Units (2) PortableStationary Accuracyup to 1% of measured value Measuring Cycle4 Hz (250ms) (Update of Display and Outputs) Signal Damping1…60 sec (adjustable) (moving average) Human-to-machine interf.Soft Keys Menu languageGerman, English,…. Housing MaterialAluminium, PVCPVC

33. Industrial Flowmeters Electronic Units (3) PortableStationary Degree of ProtectionIP 54IP 67 Display320x240,Backlight320x240 Backlight Weight Power SupplyBattery (Li-Ion) 230VAC Operating Temperature-20…60°C Loggable valuesAll physical quantities, totalized values and diagnostic values Log cycleAdjustable 1sec…60min CapacityAdjustable (standard 1 GB)

34. Industrial Flowmeters Ultrasonic Transducers 2 MHz1 MHz0.5 MHz Pipe SizeDN10-DN100DN40/50-DN400DN200-DN6000 MaterialPEEK, Aluminium (Mounting Frame) MountingSpacer Bar + ChainsTextile belt Temperature-40…150°C-40…80°C (150°C)

35. Industrial Flowmeters Hands-On

36. Industrial Flowmeters Prinzip der Laufzeitmessung deltawaveC vs. Magnetic Flowmeter IDM + High Accuracy / Linearity (typcial 0.3%) - Interruption of Process / Cut-off of pipe required - Minimum conductivity (1mS) required - Electrodes sensitive against dirt / sedimentation U = k x B x D x v U: induced Voltage, proportional to flow K: Calibration Factor D: Distance between Electrodes (=ID) v: Average Flow Velocity

37. Industrial Flowmeters Prinzip der Laufzeitmessung deltawaveC vs. Inline Ultrasonic + High(er) Signal Strength + Defined Measurement Section - Cut-off of pipe required - Heavy (with bigger diameters) - Interruption of Process - Contact to media (abrasion, hygienic,..)

38. Industrial Flowmeters Prinzip der Laufzeitmessung deltawaveC vs. Turbine Flowmeter + High Accuracy - Penetration of Pipe - Pressure Loss - Rotating Parts - Sensitive agains dirt (friction coefficient might change) Rotation speed of Turbine proportional to Flow Q = f / K K: Calibration Factor

39. Industrial Flowmeters Target Markets / Applications – Power Plants  Cooling Water  Feeding Water / Condensate  Heat Transport  Process Water  ….

40. Industrial Flowmeters Target Markets / Applications – Water / Waste Water  Measurement of Inlet / Outlet of Waste Water Plants  Verification of other flowmeters (e.g. Magnetic flowmeters)  Drinking Water Networks (Distribution / Consumption)  Leakage Detection  Chemical Flows (small pipes and low flows)  Sludge

41. Industrial Flowmeters Target Markets / Applications – Facility Management  Hot and cold water  Optimization of Heating Systems  Leackage Detection  Analysis / Optimization of Energy Flows

42. Industrial Flowmeters Target Markets / Applications – Oil and Gas / Chemistry  Basic Materials (Oil) as well as intermediate and finale products (Kerosine, Petroleum,….)  Chemical Waste Water / Process Water  Aggressive, corrosive and toxic chemicals  Non-conductive media  heat transfer media (thermal oil)

43. Industrial Flowmeters Target Markets / Applications – Food & Beverages  Supplies (Hot Water, Cold Water, Process / Waste Water…)  Thermal Energy measurement in energy supply  Products  Hygienic contact-free measurement of liquids

44. Industrial Flowmeters Target Markets / Mechanical Engineering  Leak Detection on hydraulic systems  Measurement of cooling lubricant  Monitoring of pumps

45. Industrial Flowmeters Target Markets / Pharmaceutical and semiconductor  Non-invasive measurement of ultra pure fluids, even in plastic pipes (PVC)

46. Industrial Flowmeters Benefits (1)  High Accuracy (up to 1%)  Independet from Changes in Temperature and Pressure  Easy Mounting (Just minutes), low mounting costs  Contact-Free (to media) measurement -> perfect for sensitive media like pharmazeuticals, beverages..  Feasibility can be easaly checked in advanced -> reduces customer complaints  Integrated Heat Transfer measurement enlarges sales possibilites

47. Industrial Flowmeters Benefits (2)  100% Plant availability (can be installed during normal operation)  No blockage of pipe, no pressure loss  Leak-proof: No additional risk of leakage caused by the measuring equipment  Pressure Resistant: No pressure limit, No extra charge for high pressure applications  Wear-free: No wear and tear e.g. by abrasive media