Content
Light & Engineering 29 (6)
Volume 29Date of publication 12/28/2021
Pages 151–156
Abstract:
The subject matter of the article is improvement and utilisation of UV lamps for agricultural irradiating installations. Nowadays, erythema UV lamps presented on the Russian and foreign markets contain wavelength range λ of 280 nm to 380 nm within the radiation spectrum. It is known that radiation with λ of (320–380) nm causes only pigment-forming effect while radiation with λ less than 320 nm has vitamin-forming, stimulating, and bactericidal effects. The results of development of UV lamps designed for erythema irradiation of animals and poultry containing the mercury line of 253.7 nm within the radiation spectrum are presented. Specialists of A.N. Lodygin VNIIIS have developed prototypes of low-pressure UV lamps irradiating not only within the range of (280–320) nm but also within the range of (220–280) nm. The lamp type LE30 was used as a design basis. The power of the manufactured products is equal to 30 W. Uviol glass SL‑97–2 transmitting 56 % of radiation with λ of 253.7 nm and 80 % of radiation with λ of 297 nm was used instead of SL‑97–3 glass used in standard erythema lamps. Erythema phosphor E‑2 was used in the products. The article briefly describes the tests conducted to define efficiency of utilisation of the designed lamps in irradiating devices and combined irradiation installations. It is demonstrated that utilisation of improved irradiating equipment positively affects the agricultural animals management and breeding, increases performance indicators and reduces consumption of resources and electric power.
References:
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Keywords
- UV lamp
- energy efficiency
- irradiation installation
- UV radiation
- relative spectral erythema efficiency
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