SU257057A1 - METHOD FOR DETERMINING VOLUMES OF CAPACITIES - Google Patents

METHOD FOR DETERMINING VOLUMES OF CAPACITIES

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Publication number
SU257057A1
SU257057A1 SU1253154A SU1253154A SU257057A1 SU 257057 A1 SU257057 A1 SU 257057A1 SU 1253154 A SU1253154 A SU 1253154A SU 1253154 A SU1253154 A SU 1253154A SU 257057 A1 SU257057 A1 SU 257057A1
Authority
SU
USSR - Soviet Union
Prior art keywords
gas
calibrated
capacities
pressure
measured
Prior art date
Application number
SU1253154A
Other languages
Russian (ru)
Original Assignee
Л. М. Осипов , Э. Г. Матвеев
Publication of SU257057A1 publication Critical patent/SU257057A1/en

Links

Description

Известные способы измерени  объемов емкостей газами предусматривают измерени  величин давлений .газа в калиброванпой емкости до перепуска и -в системе после перепуска , а затем математическим путем рассчи- 5 тывают объем измер емой емкости. Предлагаемый способ повышает точность измерени  ,и .исключает вли ние окружающей среды, времени и места в момент измерени  за счет того, что измер ют разность давлений 10 газа до и после перепуска его в каждой из емкостей. Сущность способа заключаетс  в том, что измер ют разность давлений газа до и после перепуска его в каждой из емкостей (калиброванной .и измер емой). Схема устройства, реализующего способ, дана на чертеже. Устройство содержит калиброванную емкость 1, четыре емкости 2-5 произвольных 20 объемов, клапаны входа 6 и выхода 7 клапаны S-У/ и приборы 12, 13, из-мер ющие перепад давлений. Открыв входной клапан 6 устанавливают давление газа в калиброванной емкости I, при этом клат1аны 8-11 открыты. 25 Затем, закрыв клапаны 6, 8, 10 ,и открыв выходной клапан 7, перепускают газ в измер емую емкость 14. Уравновешивание давлений в емкост х 1 и 14 не об зательно. Закрыв клапаны 7, 9, 11 производ т измерение лере- ЗО 15 падов давлени  в емкост х 2, 3 vi. 4, 5 i помощью приборов 12, 13. Измерение перепадов давлени  возможно производить отдельно от калиброванной и измер емой емкости в любом месте и в любое врем . Объем измер емой емкости определ ют по формуле f/, + (t/o + OK), Д/а где VJC- объем измер емой емкости; УО - объем калиброванной емкости; УОК-объем емкости 3; У к-объем емкости 5; APi - разность давлений в калиброванной емкости до и после перепуска газа; ДРо - разность давлений в измер емой емкости до и после перепуска газа. Предмет изобретени  Способ определени  объемов емкостей путем измерени  давлени  при перепускании газа из калиброванной емкости в измер емую емкость и вычислени  искомой величины, отличающийс  тем, что, с целью исключени  вли ни  окружающей среды, времени и места в момент .измерени  и повышени  точности , измер ют разность давлений газа до и после перепуска его в каждой из емкостей.The known methods of measuring the volumes of tanks with gases involve measuring pressures of gas in a calibrated tank before the bypass and in the system after the bypass, and then calculate the volume of the measured capacitance mathematically. The proposed method improves the measurement accuracy, and excludes the influence of the environment, time and place at the time of measurement due to the fact that the differential pressure of 10 gas is measured before and after bypassing it in each of the containers. The essence of the method is that the difference in gas pressure is measured before and after bypassing it in each of the containers (calibrated and measured). Diagram of the device that implements the method is given in the drawing. The device contains a calibrated container 1, four containers 2-5 of arbitrary 20 volumes, valves for inlet 6 and outlet 7 for valves S-У /, and devices 12, 13, which measure the differential pressure. Opening the inlet valve 6 sets the gas pressure in the calibrated tank I, while the clutters 8-11 are open. 25 Then, by closing the valves 6, 8, 10, and opening the outlet valve 7, bypassing the gas into the measuring tank 14. The pressure balancing in the tanks 1 and 14 is not necessary. By closing valves 7, 9, 11, the measurement of the leverage is about 15 pads of pressure in the containers 2, 3 vi. 4, 5 i using instruments 12, 13. It is possible to measure pressure drops separately from the calibrated and measured capacity at any place and at any time. The volume of the measured capacitance is determined by the formula f /, + (t / o + OK), D / a, where VJC is the volume of the measured capacitance; PP - the volume of the calibrated capacity; CRM tank capacity 3; K-volume of capacity 5; APi is the pressure difference in the calibrated tank before and after the bypass gas; DRL is the pressure difference in the measured capacity before and after the bypass of gas. The subject of the invention is a method for determining the volume of containers by measuring the pressure when gas is bypassed from a calibrated container to a measured container and calculating the desired value, characterized in that, in order to eliminate environmental influences, time and place at the time of measurement and to increase accuracy, gas pressure difference before and after bypassing it in each of the tanks.

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SU1253154A METHOD FOR DETERMINING VOLUMES OF CAPACITIES SU257057A1 (en)

Publications (1)

Publication Number Publication Date
SU257057A1 true SU257057A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962916A (en) * 1974-01-23 1976-06-15 Mcnay Equipment Company, Inc. System for the measurement of a closed air space

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962916A (en) * 1974-01-23 1976-06-15 Mcnay Equipment Company, Inc. System for the measurement of a closed air space

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