Instantaneous angular speed and power for the diagnosis of single-stage, double-acting reciprocating compressor

M. J. Al-Qattan, F. Al-Juwayhel, A. Ball, M. Elhaj, F. Gu

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Advance condition monitoring systems that use cylinder pressure as a primary feedback variable have been developed. Application has been limited by the cost and difficulties associated with the intrusive cylinder pressure sensor installation. Non-intrusive measurements, the instantaneous angular speed (IAS) and power, have been performed to incorporate the effect of faults in a single-stage, single-cylinder double-acting reciprocating compressor. The study simulates a hydrogen make-up compressor to define a diagnosis criterion that may be used for the condition monitoring of a reciprocating compressor. It involves the development of mathematical models for three physical conditions: excess clearance, cylinder pressure variation, and variation of valves flow area. The simulation is conducted using the torque balance, energy equation, valve dynamics, and flow through the valves. The simulation produced unique effects for each of the physical conditions. The results predicted by the model are validated with the data from the hydrogen make-up compressor located in a Kerosene Desulphurization Unit using the pressure-volume diagram (PV) analysis. This paper presents IAS and power as non-intrusive diagnosis tools. Results showing the effect of faults on the IAS and power trends are presented.

LanguageEnglish
Pages95-114
Number of pages20
JournalProceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
Volume223
Issue number1
DOIs
Publication statusPublished - 1 Jan 2009
Externally publishedYes

Fingerprint

Reciprocating compressors
compressors
Condition monitoring
Compressors
Hydrogen
nonintrusive measurement
Kerosene
Pressure sensors
Energy balance
kerosene
clearances
hydrogen
pressure sensors
Torque
Mathematical models
installing
Feedback
torque
mathematical models
simulation

Cite this

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title = "Instantaneous angular speed and power for the diagnosis of single-stage, double-acting reciprocating compressor",
abstract = "Advance condition monitoring systems that use cylinder pressure as a primary feedback variable have been developed. Application has been limited by the cost and difficulties associated with the intrusive cylinder pressure sensor installation. Non-intrusive measurements, the instantaneous angular speed (IAS) and power, have been performed to incorporate the effect of faults in a single-stage, single-cylinder double-acting reciprocating compressor. The study simulates a hydrogen make-up compressor to define a diagnosis criterion that may be used for the condition monitoring of a reciprocating compressor. It involves the development of mathematical models for three physical conditions: excess clearance, cylinder pressure variation, and variation of valves flow area. The simulation is conducted using the torque balance, energy equation, valve dynamics, and flow through the valves. The simulation produced unique effects for each of the physical conditions. The results predicted by the model are validated with the data from the hydrogen make-up compressor located in a Kerosene Desulphurization Unit using the pressure-volume diagram (PV) analysis. This paper presents IAS and power as non-intrusive diagnosis tools. Results showing the effect of faults on the IAS and power trends are presented.",
keywords = "Condition monitoring, Contact damping coefficient, Contact stiffness, Crankshaft radius, Cylinder volume, Discharge pressure, Gas force, Instantaneous angular speed, Instantaneous power consumption, Instantaneous pressure, Mass flowrate, Piston acceleration, Piston velocity, Pressure-time diagram, Pressure-volume diagram, Spring mass, Suction pressure, Torque, Valve acceleration, Valve displacement, Valve dynamics, Valve effective flow area, Valve velocity, Variable flow coefficient, Volumetric clearance",
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AU - Al-Qattan, M. J.

AU - Al-Juwayhel, F.

AU - Ball, A.

AU - Elhaj, M.

AU - Gu, F.

PY - 2009/1/1

Y1 - 2009/1/1

N2 - Advance condition monitoring systems that use cylinder pressure as a primary feedback variable have been developed. Application has been limited by the cost and difficulties associated with the intrusive cylinder pressure sensor installation. Non-intrusive measurements, the instantaneous angular speed (IAS) and power, have been performed to incorporate the effect of faults in a single-stage, single-cylinder double-acting reciprocating compressor. The study simulates a hydrogen make-up compressor to define a diagnosis criterion that may be used for the condition monitoring of a reciprocating compressor. It involves the development of mathematical models for three physical conditions: excess clearance, cylinder pressure variation, and variation of valves flow area. The simulation is conducted using the torque balance, energy equation, valve dynamics, and flow through the valves. The simulation produced unique effects for each of the physical conditions. The results predicted by the model are validated with the data from the hydrogen make-up compressor located in a Kerosene Desulphurization Unit using the pressure-volume diagram (PV) analysis. This paper presents IAS and power as non-intrusive diagnosis tools. Results showing the effect of faults on the IAS and power trends are presented.

AB - Advance condition monitoring systems that use cylinder pressure as a primary feedback variable have been developed. Application has been limited by the cost and difficulties associated with the intrusive cylinder pressure sensor installation. Non-intrusive measurements, the instantaneous angular speed (IAS) and power, have been performed to incorporate the effect of faults in a single-stage, single-cylinder double-acting reciprocating compressor. The study simulates a hydrogen make-up compressor to define a diagnosis criterion that may be used for the condition monitoring of a reciprocating compressor. It involves the development of mathematical models for three physical conditions: excess clearance, cylinder pressure variation, and variation of valves flow area. The simulation is conducted using the torque balance, energy equation, valve dynamics, and flow through the valves. The simulation produced unique effects for each of the physical conditions. The results predicted by the model are validated with the data from the hydrogen make-up compressor located in a Kerosene Desulphurization Unit using the pressure-volume diagram (PV) analysis. This paper presents IAS and power as non-intrusive diagnosis tools. Results showing the effect of faults on the IAS and power trends are presented.

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KW - Torque

KW - Valve acceleration

KW - Valve displacement

KW - Valve dynamics

KW - Valve effective flow area

KW - Valve velocity

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