The earlier the smoke in a forest will be detected, the easier it would be for firemen to stop the fire from spreading. The problem of forest fires have always been one of the most difficult and dangerous problems. Russian scientists from MULTITECH Ltd. have developed an equipment, which can help solving the problem.
Right now the equipment is not of much use, because autumn rains have already quenched forest and turf fires. However, if the scientists put their invention to industrial production by the next summer, it will really improve the situation. Laser beam can easily detect a fire and then, if needed, alarm the operator at the central control. A single LID-Er, as it was named, can observe a square up to 100 thousand hectares.
A strong laser beam periodically controls atmosphere conditions. Smoke is opaque for laser light, so the beam reflects back. A special telescopic system "catches" the signal, amplifies it and sends to computer. If after several minutes (on the second pass) the smoke is detected once more at the same point, computer will compare intensities of first and second signals, taking more measures if needed and carrying out the process dynamics. If the smoke density gradually increases, the computer will send an alarm signal to the operators desk. Then its up to the operator to decides, whether to send a firemen brigade to the dangerous place.
Olga Maksimenko | alfa
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