Abstract
Typical load characteristics of a high-power ultrasonic homogenizer equipment for used with fuel improvement are described.The load equivalent circuit as an electrical-acoustic conversion system is derived from practical consideration of power supply designing. On the basis of that equivalent circuit, the load variations such as depth, clearance, viscosity, and output frequency changes are analyzed as load admittance changes. The load characteristic is experimented by a constant current system.Especially, in the case of mechanical resonance frequency tracking strategy, a result that the load admittance variation with load change is extremely small is proved.Further, a tracking strategy method of mechanical resonance frequency is investigated.
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