SU482816A1 - Device for calibration of flat heat meters - Google Patents
Device for calibration of flat heat metersInfo
- Publication number
- SU482816A1 SU482816A1 SU1959648A SU1959648A SU482816A1 SU 482816 A1 SU482816 A1 SU 482816A1 SU 1959648 A SU1959648 A SU 1959648A SU 1959648 A SU1959648 A SU 1959648A SU 482816 A1 SU482816 A1 SU 482816A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- heat
- calibration
- tank
- meters
- heat meters
- Prior art date
Links
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Description
ют на теплоотдающую поверхность основной емкости так, что он собой закрывает поверхность электронагревател и охранного пол . Равномерный тепловой поток обеспечивают посредством циркул ции теплоносител заданной температуры и путем установки стрелки нуль-гальванометра, соединенного с термобатареей , на нуль с помощью реостата, мен мощность электронагревател , при этом на всей теплоотдающей поверхности поддерживаетс одинакова температура.on the heat-release surface of the main vessel so that it covers the surface of the electric heater and the security floor. Uniform heat flow is ensured by circulating the heat carrier of a given temperature and by setting the arrow of the null-galvanometer connected to the thermopile to zero using a rheostat to change the power of the electric heater, while maintaining the same temperature throughout the heat-transfer surface.
Тепловой поток, получающийс направленным только в одну сторону перпендикул рно к теплоотдающей поверхности, определ ют по формулеThe heat flux, which is directed only in one direction perpendicular to the heat transfer surface, is determined by the formula
Q - ----- ккал1м час,Q - ----- kcal1m hour
оabout
где 0,86 - коэффициент перевода электрической мощности в тепловую;where 0.86 is the coefficient of conversion of electric power into heat
/ - сила тока, а;/ - current strength, and;
R - сопротивление электронагревател , ом;R is the resistance of the electric heater, ohm;
S - площадь теплоотдающей поверхности электронагревател , м.S is the area of the heat-giving surface of the electric heater, m.
При градуировке тепломеров малых размеров их располагают па теплоотдающей поверхности дополнительной емкости, причем предварительно на теплоотдающие поверхности обеих емкостей помещают материал (бумага , алюминий, фольга и т. п.), близкий поWhen calibrating heat meters of small dimensions, they are placed on the heat-transfer surface of an additional tank, and preliminarily a material (paper, aluminum, foil, etc.) placed on the heat-transfer surfaces of both tanks
коэффициенту излучени к поверхности того материала, на котором предполагаетс замер ть тепловые потоки. В этом случае тепловой поток определ ют аналогично предыдущему. Продолжительность градуировки на предлагаемом устройстве в зависимости от теплового режима составл ет от 30 мин до 2 час.radiation coefficient to the surface of the material on which the heat fluxes are to be measured. In this case, the heat flux is determined similarly to the previous one. The duration of the calibration on the proposed device, depending on the thermal conditions, is from 30 minutes to 2 hours.
Предмет изобретени Subject invention
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1959648A SU482816A1 (en) | 1973-09-20 | 1973-09-20 | Device for calibration of flat heat meters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1959648A SU482816A1 (en) | 1973-09-20 | 1973-09-20 | Device for calibration of flat heat meters |
Publications (1)
Publication Number | Publication Date |
---|---|
SU482816A1 true SU482816A1 (en) | 1975-08-30 |
Family
ID=20564610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1959648A SU482816A1 (en) | 1973-09-20 | 1973-09-20 | Device for calibration of flat heat meters |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU482816A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7785000B2 (en) * | 2007-09-11 | 2010-08-31 | Fluke Corporation | Venting system for drywell calibrators |
-
1973
- 1973-09-20 SU SU1959648A patent/SU482816A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7785000B2 (en) * | 2007-09-11 | 2010-08-31 | Fluke Corporation | Venting system for drywell calibrators |
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