Device using electrorheological fluid to detect DC electric field intensity
A technology of electrorheological fluid and electric field strength, applied in the direction of electrostatic field measurement, etc., can solve the problems of less measurement means or devices, high equipment or test cost, complex equipment, etc., and achieve low cost, simple structure, and fast response. Effect
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[0033] The selected electrorheological fluid 3 is modified TiO 2 Electrorheological fluid, this electrorheological fluid is a high-performance modified electrorheological fluid. Its composition is as follows: Rare earth modified TiO prepared by sol-gel method 2 The solid particles are the dispersed phase of the electrorheological fluid 3, and the 201 with dimethyl sulfoxide as the additive # Methyl silicone oil is the base fluid of electrorheological fluid 3. The device is static during the test, and the working ball 7 is initially fixed on the top of the built-in tube 6 by the solenoid valve 11 . If the working ball 7 is not placed on the top before the test, the whole device can be turned upside down and energized to the solenoid valve 11 so that it is in a closed state.
[0034] Since the electrorheological fluid 3 has a Reynolds number Re球 ≥F 浮 +f 粘滞阻力 (G 球 For working ball 7 gravity, F 浮 is the buoyancy force on the working ball 7, f 粘滞阻力 is the viscous resistance...
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