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RISTransient Phenomena in Compressor Stations During Surge
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transient phenomena are generally inherent in the operation of compressor stations: These are either fast or slow transients. A model describing the governing equation for the gas dynamics, ...
Single Versus Dual Recycle System Dynamics of High Pressure Ratio, Low Inertia Centrifugal Compressor Stations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Compression systems are designed and operated in a manner to eliminate or minimize the potential for surge, which is a dynamic instability that is very detrimental to the integrity of the ...
Spring Stiffness Selection Criteria for Nozzle Check Valves Employed in Compressor Stations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nozzle type check valves are often employed in compressor stations in three locations: compressor outlet, station discharge, and station bypass. The fundamental design concept of these valves is ...
Effects of Compressibility on Flow Characteristics and Dynamics of Swing Check Valves—Part II
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Part II of this paper is concerned with two aspects of the dynamic behavior of swing-type check valves, namely, slamming of the disk and the maximum attainable reverse flow as the valve ...
Magnetic Bearing Control of Flexible Shaft Vibrations Based on Multi-access Velocity-Displacement Feedback
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model of the forced vibrations of a flexible, asymmetric, and unbalanced shaft, supported by two magnetic bearings, is derived to simulate the effect of different schemes of active control ...
Developments in Centrifugal Compressor Surge Control—A Technology Assessment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There are a number of surge control schemes in current use for centrifugal compressors employed in natural gas transmission systems. Basically, these schemes consist of a set of detection devices ...
A Demonstration of Artificial Neural-Networks-Based Data Mining for Gas-Turbine-Driven Compressor Stations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a successful demonstration of application of neural networks to perform various data mining functions on an RB211 gas-turbine-driven compressor station. Radial basis function ...
Effects of Compressibility on Flow Characteristics and Dynamics of Swing Check Valves—Part I
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the design of natural gas compressor stations, a check valve is a critical element which is commonly placed on the discharge side of the compressor to prevent reverse flow that can cause ...
Riser-Relief Valve Dynamic Interactions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic stability behavior of a typical pilot-operated relief valve has been investigated both numerically and experimentally. The valve piston equation of motion has been solved in connection ...
Compressor Station Recycle System Dynamics During Emergency Shutdown
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transient phenomena associated with gas recycling during compressor emergency shutdown (ESD) have been studied both experimentally and numerically. A scaled-down laboratory test rig has been ...