Experts to develop a light guide into the sun light
Experts to develop a light guide into the sun light
Underground space expert, Tongji University experts recently completed a study, the results of this study is to import the ground surface of the sun, thus ending the history of the sun only on the ground. The results, if widely used, in the future, Shanghai's underground space will be only the sun will become history in the ground, the ground can still enjoy the sun, "brilliant." Underground space expert, Tongji University experts recently completed a study, the results of this study is to import the ground surface of the sun, thus ending the history of the sun only on the ground. The results, if widely used, in the future, Shanghai's underground space will be "sunny."
"In space, the biggest problem at present is rare to see sunshine underground, thus affecting the health of underground workers, normal work and normal growth of plants. The sun into ground, the biggest advantage is that energy is beneficial to human health to promote the underground plant growth and to ensure normal development work. "involved in the study of Underground Space Research Centre of Tongji University Professor Peng Fangle said.
For example, he said, the driver if the car into the tunnel, just enter the tunnel at the moment, will produce the feeling of darkness, this is the so-called black hole effect. In the tunnel, will have strong stimulation effect of the eye white white hole. Therefore, it is a black hole or white hole effect effect, would seriously affect the normal operation of the vehicle, easily lead to accidents. If the use of conventional electric lighting, a better solution to the tunnel entrance is difficult to light transition, but if the sun into a soft, these problems can be solved.
It is reported that the underground space into the sun There are three kinds of ways, one with a mirror, refracted by multiple reflection of the way the sunlight into underground. In this way the price of the cheapest, usually around 20 square meters of underground space to install a set of such devices, the price in the thousand or so; second, transparent cover made of sunlight device, and then light pipe sunlight into underground. In this way, the price of a device installed in the 3000 to 6000 yuan. The final method is to use poly mask, the light transmitted through the optical fiber to the ground for long-distance transmission. As the need for long-distance transmission of light, so transmission by this method more expensive, imported equipment is estimated that a 60,000 to 80,000 yuan.
March 1, Fang-Yue is the image of these devices to the author explained that, if we adopt the second method of light guide into the sun, the grass on the ground to install devices in the underground mall, underground garage and installation of sun receiver, sunny day on the ground, ground to be "sunny." In the evening, daytime storage of solar energy into light, turn on the light, the underground "Sunshine" brightly lit, underground storage of solar energy back to the ground, green also see the kingdom of "Sunshine", thus forming the cross during the day and evening, serves as contrast-hui's unique landscape.
It is reported that the results of completed studies, researchers will actively recommend to the relevant departments in the outcome, for the use of the Expo construction projects. In another development, the project's researchers are now co-operation with the manufacturer, it is estimated will soon produce the light guide device.
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