Abstract
The subject of research is a single rotor screw compressor. For the proper compressor design, the forces and moments must be calculated. The cutter’s teeth have a circular shape, therefore, the calculation is reduced to the determination of a torque. This power calculation is based on the law of pressure change in closed cavities of a single rotor screw compressor depending on the angle of a screw rotation and the law of change in the horizontal projection area of a cutter’s tooth meshed with a screw, depending on the angle of a cutter rotation. The term “flat closed figure” in our task means the horizontal projection of the disk cutter’s tooth part meshed with a screw, which takes the form of a triangle or trapezoid. The work shows a horizontal projection of the engagement rotor screw with a disk cutter. To determine the torque acting on the central screw, it is necessary to calculate the circumferential forces acting on the screw and the shoulders of the application forces. The calculation method described above allows one with a sufficient degree of accuracy to determine the forces and moments acting on the working bodies of a screw single-rotor compressor, and therefore, to calculate the deformation of the parts of a screw single-rotor compressor.
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More From: IOP Conference Series: Materials Science and Engineering
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