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A low-cost photoelectric system to measure valve displacement in reciprocating type compressors.

Number: 1407

Author(s) : MALIK A. N., PASHAK P., LAZOGLU I., SAHIN C.

Summary

This paper presents a development of a system based on the photoelectric technique to measure the displacement of the reed valve in reciprocating type hermetic compressors. The motivation for that is mainly related to developing a cost-effective, non-invasive, and adaptable system to monitor valve dynamics in real-time. The proposed system is comprised of an infrared type of transmitter and receiver pair installed inside the cylinder head, targeting the face of reed valve. The system is calibrated to quantify the displacement of the suction valve. The results are compared with a mathematical model for the valve's dynamic behavior.
The valve is assumed as one-degree of freedom mass and spring system. The fourth-order Runge-Kutta method is adopted to solve the coupled first-order differential equations system in MATLAB. The experimental results and the mathematical model are in good agreement at high rotating speeds of the compressor as compared to the low speeds.

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Pages: 10 p.

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Details

  • Original title: A low-cost photoelectric system to measure valve displacement in reciprocating type compressors.
  • Record ID : 30030319
  • Languages: English
  • Subject: Technology
  • Source: 2022 Purdue Conferences. 26th International Compressor Engineering Conference at Purdue.
  • Publication date: 2022/07/15

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