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Experimental investigations on pneumatically forced actuated compressor valves.

Number: pap. 1229

Author(s) : STOECKE C., THOMAS C., HESSE U.

Summary

The forced actuation of valves inside reciprocating compressors offers the possibility of a step-less capacity control and therewith the opportunity of energy savings. Different from nowadays typically used electromagnetically actuated grippers for forced opening of the suction valve, the present paper deals with the pneumatically forced opening of the discharge valve. The actuation pressure, which is provided by the compressor itself, is directly applied to the valves sealing elements to generate the opening force, so only few external energy and effort is necessary. The working principle and the numerical observation of the system was presented in former papers. The actual paper deals with the verification of the achieved simulation results. For that purpose the valve system components and the entire compressor were tested experimentally. Component testing was necessary since only few information were available on only some valve parts, however for example their temporal characteristics were crucial for the in-compressor-tests. The integral testing was performed by usage of a test compressor. The instrumentation was chosen properly, being able to evaluate the compressor performance. High speed pressure sensors were used to monitor the cylinder, suction and discharge chamber pressures. The experimental data was compared to the simulation results.

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Pages: 10

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Details

  • Original title: Experimental investigations on pneumatically forced actuated compressor valves.
  • Record ID : 30024254
  • Languages: English
  • Source: 2018 Purdue Conferences. 24th International Compressor Engineering Conference at Purdue.
  • Publication date: 2018/07/09

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