SU621983A1 - Method of measuring pressure pulsations - Google Patents
Method of measuring pressure pulsationsInfo
- Publication number
- SU621983A1 SU621983A1 SU772464279A SU2464279A SU621983A1 SU 621983 A1 SU621983 A1 SU 621983A1 SU 772464279 A SU772464279 A SU 772464279A SU 2464279 A SU2464279 A SU 2464279A SU 621983 A1 SU621983 A1 SU 621983A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- measuring pressure
- pressure pulsations
- graphs
- recorded
- pulsations
- Prior art date
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
производ тс в разное врем , то выход усилител подключают не к анализатору спектра, а к устройству магнитной записи, например к магнитофону, и записывают шум струи выходных газов на магнитную ленту. Дл обработки сигнала в дальнейшем воспроизвод т запись и поступают описанным образом.at different times, the output of the amplifier is not connected to a spectrum analyzer, but to a magnetic recording device, such as a tape recorder, and the noise of the jet of output gases is recorded on a magnetic tape. For signal processing, the recording is subsequently reproduced and proceeds in the manner described.
Сравнение результатов полученных известным и предлагаемым способами показано на фиг. 2, где графики а, б, в относ тс к давлению в форкамере аэродинамической трубы с работающим двигателем, которое записано известным способом, а графики г, д, е относ тс к уровню звукового давлени , записанному данным способом. Ординаты всех графиков имеют логарифмический масштаб, а абсциссы - линейный масштаб времени работы двигател с момента его запуска.A comparison of the results obtained by known and proposed methods is shown in FIG. 2, where the graphs a, b, c relate to the pressure in the prechamber of the wind tunnel with the engine running, which is recorded in a known manner, and the graphs d, e, e refer to the sound pressure level recorded by this method. The ordinates of all graphs have a logarithmic scale, and the abscissas have a linear time scale for the engine since its launch.
Данный способ измерени пульсаций давлени применим как в стендовых, так и в полевых услови х, а также позвол ет осуществить контроль всех двигателей данной партии.This method of measuring pressure pulsations is applicable both in bench and in field conditions, and also allows monitoring of all engines of a given batch.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU772464279A SU621983A1 (en) | 1977-03-21 | 1977-03-21 | Method of measuring pressure pulsations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU772464279A SU621983A1 (en) | 1977-03-21 | 1977-03-21 | Method of measuring pressure pulsations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU621983A1 true SU621983A1 (en) | 1978-08-30 |
Family
ID=20700162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU772464279A SU621983A1 (en) | 1977-03-21 | 1977-03-21 | Method of measuring pressure pulsations |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU621983A1 (en) |
-
1977
- 1977-03-21 SU SU772464279A patent/SU621983A1/en active
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