SU94145A1 - A method for measuring the atmospheric transparency coefficient and an apparatus for carrying out the method - Google Patents
A method for measuring the atmospheric transparency coefficient and an apparatus for carrying out the methodInfo
- Publication number
- SU94145A1 SU94145A1 SU444795A SU444795A SU94145A1 SU 94145 A1 SU94145 A1 SU 94145A1 SU 444795 A SU444795 A SU 444795A SU 444795 A SU444795 A SU 444795A SU 94145 A1 SU94145 A1 SU 94145A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- measuring
- carrying
- transparency coefficient
- atmospheric transparency
- light
- Prior art date
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
Известные нефелометрические способы определени коэффициента прозрачиос/га атмосферы обладают р дом существен-ных недостатков и не позвол ют измер ть коэффициент 11|)С)зрачпости в верти алы1ом и наклонном направлении.The known nephelometric methods for determining the prozrachios / ha ratio of the atmosphere have a number of significant drawbacks and do not allow measuring the coefficient 11) in the verticality and inclined direction.
Описываемый ниже способ свободен от этих недостатков и зак.чючаетс в следуюн1ем.The method described below is free from these drawbacks and is completed next.
Производ тс итва ,измерг1п ркости прожекторного пучка лучей: света, рассе нного атмосферой в направле1П1и к фотометрическому устройству. Одно измерен 1е ркости производитс без ослаб, светового noTCiKa прожекторпого пучка, второе-нри ослаб.ченном световом потоке. Это ослабление осуи1,ествл етс и|)п noMonui нентральиого ослабител , «.оторый вводитс между источником света и отражате.пел.It is produced by measuring the brightness of a spotlight beam: light scattered by the atmosphere in a direction to the photometric device. One measured the brightness of 1e produced without a weak, light noTCiKa spotlight beam, the second with a weak light beam. This weakening of the axis is, and is, a nonMonui non-attenuator, which is introduced between the light source and the reflector.
Обп1а ркость светового -нучка ,, рассе 1нного атмосферо в направлении к источиику света в опрелелепнсм тс.-к-хиом угле, определ етс выражением:The brightness of the light beam, the scattering of the atmosphere in the direction towards the source of light at a fixed angle, is determined by the expression:
и-rf7-Af(r),.iL 1- it-- i.i-rf7-Af (r), .iL 1- it-- i.
где В - ркость прожекторного пучка лучей, рассе нного в наиравлеггии к источнику света;г .--where B is the brightness of a spotlight beam scattered in direct transmission to a light source;
-:- прозрачность атмосферы;-: - transparency of the atmosphere;
L - максимальное раССто нне от источника свгтл но направлению прожекторного нучка, опреде.т емое чувствительностью (j)oтометрического нрие1мника при его тарировке; /(f;- функци , характеризующа раеее нис света атмосферой иодL is the maximum distance from the source to the direction of the searchlight as determined by the sensitivity (j) of the optical detector when calibrating it; / (f; is a function that characterizes the iodine atmosphere
углом 180°, т. е. по направлению к источн11ку света; /1 - спла света прожектора.180 ° angle, i.e. towards the source of light; / 1 - a flood of searchlight.
i:i:
I .I.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU444795A SU94145A1 (en) | 1951-11-10 | 1951-11-10 | A method for measuring the atmospheric transparency coefficient and an apparatus for carrying out the method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU444795A SU94145A1 (en) | 1951-11-10 | 1951-11-10 | A method for measuring the atmospheric transparency coefficient and an apparatus for carrying out the method |
Publications (1)
Publication Number | Publication Date |
---|---|
SU94145A1 true SU94145A1 (en) | 1951-11-30 |
Family
ID=48369437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU444795A SU94145A1 (en) | 1951-11-10 | 1951-11-10 | A method for measuring the atmospheric transparency coefficient and an apparatus for carrying out the method |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU94145A1 (en) |
-
1951
- 1951-11-10 SU SU444795A patent/SU94145A1/en active
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