The experiments were carried out on a laboratory cylindrical precipitator, built by one of the authors, with samples of wood particles.
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Design of a piezoelectric transducer cylindrical phase modulator for simulating acoustic emission signals
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To conveniently carry out the pipeline leak experiment in a laboratory, leak acoustic signals are simulated by using the converse piezoelectric effect of a piezoelectric transducer (PZT) cylindrical phase modulator.
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On the basis of the piezoelectric equations and electromechanical equivalence principle, the transfer function of a PZT cylindrical phase modulator is delivered.
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A PZT cylindrical phase modulator is designed, and the numerical simulation is conducted.
The process of fine slender shaft grinding with center rest used as an auxiliary support is analysed from the point of view of rigidity. In our discussion, emphasis has been laid on a reasonable position of the center rest, the influence of geometrical shape error or radial runout of the cylindrical base surface used as support and the method of adjustment.
Employing one dimensional flow method which is taken as the foundation for designing the radial flow impeller, this article gives a brief description of a design method for the single-bend radial blade with higher and secondary cylindrical parabola of radial flow impeller as well as the double-bend radial flow impeller of a secondary cylindrical parabola used in modern turbine impeller. The calculation of inlet expanding angle of impeller of gas compressor and a design method for the radial obli...
All existing graphic as well as other methods of plow bottom surface design are empirical.For a derived approach,the instrinsic relations between the soil properties,tilth requirements,working regimes such as plowing speed and draft,the shape and parameters of the bottom sur-face etc have to be established.In trying to link these design factors together,in this paper,theproper turning of the furrow slice is mathematically described with the motion of an assignedtraverse section of the slice,and that part of...