JPH0337686B2 - - Google Patents
Info
- Publication number
- JPH0337686B2 JPH0337686B2 JP57020609A JP2060982A JPH0337686B2 JP H0337686 B2 JPH0337686 B2 JP H0337686B2 JP 57020609 A JP57020609 A JP 57020609A JP 2060982 A JP2060982 A JP 2060982A JP H0337686 B2 JPH0337686 B2 JP H0337686B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- propagation time
- fluid
- equation
- flow rate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000012530 fluid Substances 0.000 claims description 47
- 230000008859 change Effects 0.000 claims description 6
- 238000000691 measurement method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000000644 propagated effect Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 238000002604 ultrasonography Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
- G01F1/668—Compensating or correcting for variations in velocity of sound
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57020609A JPS58137713A (ja) | 1982-02-10 | 1982-02-10 | 流量の測定方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57020609A JPS58137713A (ja) | 1982-02-10 | 1982-02-10 | 流量の測定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58137713A JPS58137713A (ja) | 1983-08-16 |
| JPH0337686B2 true JPH0337686B2 (enrdf_load_stackoverflow) | 1991-06-06 |
Family
ID=12031999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57020609A Granted JPS58137713A (ja) | 1982-02-10 | 1982-02-10 | 流量の測定方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58137713A (enrdf_load_stackoverflow) |
-
1982
- 1982-02-10 JP JP57020609A patent/JPS58137713A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58137713A (ja) | 1983-08-16 |