SU234709A1 - DEVICE FOR MEASURING THE GAS PHASE TEMPERATURE IN A MOVING GAS-LIQUID FLOW - Google Patents
DEVICE FOR MEASURING THE GAS PHASE TEMPERATURE IN A MOVING GAS-LIQUID FLOWInfo
- Publication number
- SU234709A1 SU234709A1 SU1084656A SU1084656A SU234709A1 SU 234709 A1 SU234709 A1 SU 234709A1 SU 1084656 A SU1084656 A SU 1084656A SU 1084656 A SU1084656 A SU 1084656A SU 234709 A1 SU234709 A1 SU 234709A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- gas
- measuring
- liquid flow
- phase temperature
- gas phase
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title description 8
- 238000005259 measurement Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Description
Известны термопары с камерами торможени дл измерени температуры газового потока , содержащие чувствительный элемент (спай), расположенный внутри цилиндрической камеры торможени , на дне которой находитс выходное отверстие.Thermocouples with braking chambers are known for measuring the temperature of the gas flow, which contain a sensing element (junction) located inside the cylindrical braking chamber, at the bottom of which there is an outlet.
Однако известные термопары с камерами торможени не позвол ют с достаточной степенью точности определить температуру газовой фазы газо-жидкостного потока из-за охлаждени чувствительного элемента термопары капельками жидкости, взвешенными в потоке .However, the known thermocouples with braking chambers do not allow a sufficient degree of accuracy to determine the temperature of the gas phase of the gas-liquid flow due to the cooling of the sensing element of the thermocouple with liquid droplets suspended in the flow.
Предлагаемое устройство отличаетс тем, что снабжено винтообразной втулкой, расположенной на входе камеры торможени . Это позвол ет повысить точность измерени .The proposed device is characterized in that it is provided with a helical sleeve located at the inlet of the braking chamber. This allows for improved measurement accuracy.
На чертеже изображено предлагаемое устройство .The drawing shows the proposed device.
Чувствительный элемент / заключен в камере 2 торможени бутылкообразной формы, в дне которой просверлены отверсти 3. На входе в камеру установлена винтообразна втулка 4.The sensing element / is enclosed in a bottle-shaped braking chamber 2, in the bottom of which holes 3 are drilled.
Работа устройства заключаетс в следующем . Стру газа, содержаща взвешенные капельки жидкости, проход через винтообразную втулку 4, закручиваетс . За счет возникающих при этом центробежных сил взвешенные капельки жидкости сепарируютс и выбрасываютс в отверсти 3. Таким образом, чувствительный элемент / омываетс газовым потоком , освобожденным от частиц жидкости.The operation of the device is as follows. A gas jet containing suspended liquid droplets, the passage through the helical sleeve 4, is twisted. Due to the resulting centrifugal forces, the weighted liquid droplets are separated and ejected into the holes 3. Thus, the sensing element / is washed by the gas stream, freed from particles of liquid.
При среднем содержании жидкости в потоке до 5% массового расхода газовой фазы точность измерени температуры равна 3-5о/о.With an average liquid content in the stream up to 5% of the mass flow rate of the gas phase, the accuracy of temperature measurement is 3-5 ° / o.
15Предмет изобретени 15 of the invention
Устройство дл измерени температуры газовой фазы в движущемс газо-жидкостном потоке, содержащее датчик температуры, размещенный в камере торможени , отличающеес тем, что, с целью повышени точности измерени , оно снабжено винтообразной втулкой , размещенной на входе камеры торможени .A device for measuring the temperature of the gas phase in a moving gas-liquid stream, comprising a temperature sensor placed in a braking chamber, characterized in that, in order to improve the measurement accuracy, it is provided with a helical bushing placed at the inlet of the braking chamber.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU234709A1 true SU234709A1 (en) |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710095A (en) * | 1982-08-04 | 1987-12-01 | General Electric Company | Turbomachine airflow temperature sensor |
| US5302026A (en) * | 1992-07-16 | 1994-04-12 | Rosemount, Inc. | Temperature probe with fast response time |
| US5653538A (en) * | 1995-06-07 | 1997-08-05 | Rosemount Aerospace Inc. | Total temperature probe |
| RU209669U1 (en) * | 2021-11-29 | 2022-03-17 | Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК") | Thermocouple comb for measuring the temperature field of a gas flow |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710095A (en) * | 1982-08-04 | 1987-12-01 | General Electric Company | Turbomachine airflow temperature sensor |
| US5302026A (en) * | 1992-07-16 | 1994-04-12 | Rosemount, Inc. | Temperature probe with fast response time |
| US5653538A (en) * | 1995-06-07 | 1997-08-05 | Rosemount Aerospace Inc. | Total temperature probe |
| RU209669U1 (en) * | 2021-11-29 | 2022-03-17 | Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК") | Thermocouple comb for measuring the temperature field of a gas flow |
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