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A thermal network model is developed for studying the temperature variation of complicated structure satellite surfaces. The solar incident areas, the infrared and solar radiation transfer coefficients among surfaces are numerically simulated by means of Monte Carlo ray tracing (MCRT) method in model. The non-uniformity and the instability of solar radiation, which plays the important roles in simulating...
According to the effect of water with suspended particles to light propagation and temperature to turbidity and pressure, a multi-parameter measuring system with wireless transceiver and automatic temperature compensation is designed. The measured value of turbidity, temperature and pressure are transmitted to host computer (its monitor system software is written under VisualBasic6.0 program) by radio...
Fluorescent lamps operated on low frequency AC (50 Hz or 60 Hz) might present striated instability especially when ambient temperature is low. Experimental results reveal that moving striations are not due to the disturbances in the electrode region; rather, they have a very close relation with cold spot temperature of the tube. When a non-striated tube is partially cooled by a cooling spray, moving...
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