2009 | 2008 | 2007  | 2006 | 2003 | 2002 | 2001 | 1999 | 1996 | 1994

2009

Broerman, E.L., F. Fierro, M. Hinchliff, R.J. McKee, "The Effect of Compressor Cylinder Design on Nozzle Pulsations-Field Test Results of the Dresser-Rand DDV Pipeline Cylinder," republished in the GM Journal, February 2009. Abstract This paper will describe how the Dynamic Discharge Valve (DDV) cylinder works and why the acoustic cylinder nozzle response improves the cylinder pulsation levels. Unique acoustic characteristics of the cylinder design will be discussed, particularly regarding how the unique characteristics result in alterations of the pulsations that are typically associated with the cylinder nozzle response/resonance.

McKee, R.J., E.L. Broerman, "Acoustics in Pumping Systems," presented at the 25th International Pump Users Symposium, February 23-26, 2009, Houston, TX. Abstract This tutorial will explain the pumping system speed of sound concept (how to account for acoustic velocity changes due to pipe wall flexibility and liquid properties), the definition of quarter-wave, half-wave, and higher order acoustic mode shapes, the importance of each mode shape, and examples of how to estimate these mode shapes and frequencies.

Scrivner. C.M., B.A. White, "A Pulsation and Vibration Methodology for High-Speed Natural Gas Reciprocating Compressors,"GM Journal, February 2009. Abstract This article discusses the current pulsation and vibration control methodology generally preferred by Southwest Research Institute^® (SwRI^®) for the design of high-speed natural gas reciprocating compressors. Included in this discussion is the application of a new technology for control of compressor nozzle resonance.

2008

Broerman, E., F. Fierro, M. Hinchliff, R. McKee, "The Effect of Compressor Cylinder Design on Nozzle Pulsations—Field Test Results of the Dresser-Rand DDV Pipeline Cylinder," Compressor Tech, October 2008. Abstract This Article discusses the recent acoustic modeling of pulsation levels in the nozzles of a Dresser-Rand Dynamic Discharge Valve (DDV) pipeline cylinder, compared to conventional high-speed machines.

Broerman, E.L., R.J. McKee, M.G. Nored, "Benefits of the Virtual Orifice: Pulsations and Vibrations Reduced, Performance Improved," presented at the 2008 GMRC Gas Machinery Conference, October 1-4, 2008, Albuquerque, NM. Abstract This paper will discuss the fundamental issues that the Virtual Orifice is designed to address. It includes data (vibration, pulsation, and performance) from a field compressor before and after Virtual Orifices were installed. The paper will explain and demonstrate the results from the field test of the installation of a Virtual Orifice on each cylinder of a high speed reciprocating compressor.

Broerman, E.L., R.J. McKee, C.M. Scrivner, Gary Bourn, "Advancement in Pulsation Control for Reciprocating Compressors," presented at the European Forum for Reciprocating Compressors (EFRC-Conference), October 28-29, 2008, Dusseldorf, Germany. Abstract This article discusses an ongoing, joint Gas Machinery Research Council (GMRC) and Southwest Research Institute (SwRI) research project about a pulsation control device designed to mitigate cylinder nozzle resonant pulsations without the losses typically associated with the installation of cylinder nozzle orifices was developed and field tested. This newly developed pulsation control device was named the Virtual Orifice, since this technology was essentially developed to replace the compressor nozzle orifice.

Broerman, E.L., M.G. Nored, R.J. McKee, "New Solution - Virtual Orifice, Old Problem - Pressure Drop Used for Controlling the Cylinder Nozzle Resonance," GM Journal, May 2008. Abstract For the past fifty-plus years, the standard orifice plate has been used to control high amplitude cylinder nozzle resonant gas pressure pulsations. Unfortunately, the orifice typically imposes considerable pressure losses (and equivalent horsepower losses) on the system when used to damp the acoustic resonance. This paper will discuss a new means of controlling the cylinder nozzle resonance called the Virtual Orifice (VO) device.

Tweten, D.J., M.G. Nored, K. Brun,, "The Physics of Pulsations," presented at the 2008 GMRC Gas Machinery Conference, October 1-4, 2008, Albuquerque, NM. Abstract This paper compares the mathematical assumptions of the acoustic theory (wave equation solvers) with those of a fully fluid dynamic model. The paper also presents case studies to demonstrate the difference in pulsation predictions between acoustic and full fluid dynamic models.

2007

Broerman, E.L., R.J. McKee, C.M. Scrivner, "GMRC Advanced Reciprocating Compressor Technology (ARCT)," Compressor Tech^Two, Two-Part Series published June 2007 and July 2007. Abstract As part of the ongoing Gas Machinery Research Council (GMRC) Advanced Reciprocating Compressor Technology (ARCT) research project, a joint project with U.S. Department of Energy (DOE) at Southwest Research Institute (SwRI), this paper will discuss several new pulsation control technologies that have been developed and evaluated to mitigate design constraints for manifold systems and the attached piping systems.

Nored, M.G., E.L. Broerman, D.M. Deffenbaugh, R.J. McKee, "Advancements in Pulsation Control Technology," presented at the 2007 GMRC Gas Machinery Conference, October 1-3, 2007, Dallas, TX. Abstract This article will discuss the advanced pulsation control techniques that are needed to accommodate the increase in compressor running speed, the variation in operations, and the inherently higher pulsation amplitudes. It will also discuss new pulsation control concepts that are being developed to accommodate more flexible, higher speed compressors.

Smolik, M.A., E.L. Broerman, C.M. Scrivner, "Helmholtz Absorbers: Experiments in Controlling Resonant Pulsation Without the Use of Orifice Plates," presented at the 2007 ASME Pressure Vessels and Piping (PVP) Division Conference, July 22-26, 2007, San Antonio, TX. (paper reference number PVP2007-26246)

2006

Broerman, E.L., R.E. Harris, C.M. Scrivner, "ARCT & GMRC Pulsation Control Project: Current Results," presented at the 2006 GMRC Gas Machinery Conference, October 2-4, 2006, Oklahoma City, OK. Abstract This article discusses optimizing a reciprocating compressor acoustic manifold design so that a balance between pulsation control, compressor performance, and mechanical vibration control can be achieved.

White, B.A., "Mechanical Modeling of Compressor Manifold Systems," Compressor Tech^Two, Three-Part Series published, March 2006, April-May 2006, and June 2006 Abstract This paper consists of three parts: Part I (March 2006) includes a basic introduction and discusses current modeling technology. Part II (April-May 2006) is a case study comparing different modeling tools. Part III (June 2006) discusses mechanical manifold modeling as it applies to liquefied natural gas (LNG) systems.

2003

Gehri, C.M., and R.E. Harris, "Effect of Pulsation Bottle Design on the Performance of a Modern Low-Speed Gas Transmission Compressor," presented at the Gas Machinery Conference (GMC), October 2003, Salt Lake City, UT Abstract This paper presents a case study of a low-speed reciprocating compressor unit installed in a natural gas transmission service.

Smalley, A.J., R.E. Harris, C.M. Gehri, and G.W. Weilbacher, “Dynamic Characteristics of Large High-Speed Reciprocating Compressor Systems,” presented at the European Forum for Reciprocating Compressors (EFRC-Conference), March 27-28, 2003, Vienna, Austria.

2002

Weilbacher, G.W., C.M. Gehri, R.E. Harris, B.A. White, C.R. Sparks, P.J. Pantermuehl, A.J. Smalley, and R. Goodenough, “Acoustic and Mechanical Dynamics Issues for High Horsepower, High-Speed Compressors in Gas Transmission Service,” presented at the Gas Machinery Conference (GMC), October 7-9, 2002, Nashville, TN.

2001

Gehri, C.M. and R.E. Harris, “The Effects of Unloading Schemes on Pulsation Design,” presented at the Gas Machinery Conference (GMC), October 8-10, 2001, Austin, TX.

1999

Gehri, C.M. and R.E. Harris, “Technology for the Design and Evaluation of High-Speed Reciprocating Compressor Installations,” presented at the European Forum for Reciprocating Compressors (EFRC-Conference), November 4-5, 1999, Dresden, Germany.

Gehri, C.M. and R.E. Harris, "High Speed Reciprocating Compressors—The Importance of Interactive Modeling," presented at the Gas Machinery Conference (GMC), October 4-6, 1999, Houston, TX. Abstract The Gas Machinery Research Council (GMRC) has funded an effort to develop a digital design system with full interaction between cylinder and piping components, enhanced to meet the demanding requirements of today?s high speed compressor packages. This paper presents the initial results of this effort.

1996

Blodgett, L.E., Using Analog and Digital Analysis for Effective Pulsation Control, 1996 AGA Operations Conference, May 19-22, 1996, Montreal, Quebec, Canada.

Bowles, E.B., T.B. Morrow, C.R. Sparks, and J.G. Gregor, Automatic and Remote Valves for Pipeline Break Detection, AGA Operations Conference, May 1996, Montreal, Quebec, Canada.

Bowles, E.B., T.B. Morrow, C.R. Sparks, and J.G. Gregor, Gas Pipeline Rupture Detection and Control, ASME International Pipeline Conference, June 1996, Calgary, Alberta, Canada.

Bowles, E.B., T.B. Morrow, C.R. Sparks, and J.G. Gregor, Study Assesses Line-Break Control Valve Effectiveness, Pipeline & Gas Industry, pp. 49-53, October 1996.

Durke, R.G. and R.J. McKee, Orifice Meter Gage Line Distortions, presented at the International School of Hydrocarbon Measurement, April 9-11, 1996, Oklahoma City, OK.

1994

Blodgett, L.E. and Robert J. McKee, Pulsation Reduction by Acoustic Filters for Metering Applications, Proceedings of the 29th Annual American School of Gas Measurement Technology, 1994, Houston, TX, pp. 265-268.

For more information about our compressor system and pump system analyses capabilities, publications, or presentations, or how you can contract with Southwest Research Institute (SwRI), please contact Buddy Broerman at ebroerman@swri.org or (210) 522-2555. We can offer you the best approach for solving your compressor system or pump system analysis problem.