skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Pressure-gain combustion

Abstract

Pulse combustion has been proposed for gas turbine applications in many early articles and more recently has been demonstrated to produce so-called ``pressure-gain`` in a small gas turbine. The basic concept is that the oscillatory combustion occurs as a constant-volume process, producing a gain in the stagnation pressure of air flowing through the combustor, rather than the pressure loss associated with conventional, steady combustion. If properly utilized, this pressure-gain could enhance simple-cycle gas turbine efficiency several percent, depending on the operating conditions. In addition, pulse combustors have demonstrated relatively low NO{sub x} pollutant levels in some applications. The combined potential for higher cycle efficiency and lower pollutant levels is the basis for the present investigation. Tests in progress at the Morgantown Energy Technology Center (METC) have considered a baseline pulse combustor configuration that has shown good oscillating performance, low NO{sub x} emissions, but disappointing results in terms of pressure-gain. However, a combination of numeric simulations and test data suggest that pressure-gain can be produced by a select combination of operating conditions and combustor geometry, but is especially sensitive to the combustor inlet geometry. Tests in progress will evaluate the effect of inlet geometry and operating pressure on both pollutant emissionsmore » and pressure-gain.« less

Authors:
; ; ; ;  [1];  [2]
  1. USDOE Morgantown Energy Technology Center, WV (United States)
  2. EG and G Washington Analytical Services Center, Inc., Morgantown, WV (United States)
Publication Date:
Research Org.:
USDOE Morgantown Energy Technology Center, WV (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
10105097
Report Number(s):
DOE/METC/C-94/7106; CONF-930893-39
ON: DE94002975; NC: NONE
Resource Type:
Conference
Resource Relation:
Conference: Joint contractors meeting on advanced turbine systems, fuel cells and coal-fired heat,Morgantown, WV (United States),3-5 Aug 1993; Other Information: PBD: [1993]
Country of Publication:
United States
Language:
English
Subject:
20 FOSSIL-FUELED POWER PLANTS; 33 ADVANCED PROPULSION SYSTEMS; GAS TURBINES; PULSE COMBUSTION; NITROGEN OXIDES; AIR POLLUTION CONTROL; THERMAL EFFICIENCY; PRESSURE DROP; 200100; 330103; POWER PLANTS AND POWER GENERATION; TURBINE

Citation Formats

Richards, G.A., Yip, J., Gemmen, R.S., Janus, M.C., Norton, T., and Rogers, W.A. Pressure-gain combustion. United States: N. p., 1993. Web.
Richards, G.A., Yip, J., Gemmen, R.S., Janus, M.C., Norton, T., & Rogers, W.A. Pressure-gain combustion. United States.
Richards, G.A., Yip, J., Gemmen, R.S., Janus, M.C., Norton, T., and Rogers, W.A. Mon . "Pressure-gain combustion". United States. https://www.osti.gov/servlets/purl/10105097.
@article{osti_10105097,
title = {Pressure-gain combustion},
author = {Richards, G.A. and Yip, J. and Gemmen, R.S. and Janus, M.C. and Norton, T. and Rogers, W.A.},
abstractNote = {Pulse combustion has been proposed for gas turbine applications in many early articles and more recently has been demonstrated to produce so-called ``pressure-gain`` in a small gas turbine. The basic concept is that the oscillatory combustion occurs as a constant-volume process, producing a gain in the stagnation pressure of air flowing through the combustor, rather than the pressure loss associated with conventional, steady combustion. If properly utilized, this pressure-gain could enhance simple-cycle gas turbine efficiency several percent, depending on the operating conditions. In addition, pulse combustors have demonstrated relatively low NO{sub x} pollutant levels in some applications. The combined potential for higher cycle efficiency and lower pollutant levels is the basis for the present investigation. Tests in progress at the Morgantown Energy Technology Center (METC) have considered a baseline pulse combustor configuration that has shown good oscillating performance, low NO{sub x} emissions, but disappointing results in terms of pressure-gain. However, a combination of numeric simulations and test data suggest that pressure-gain can be produced by a select combination of operating conditions and combustor geometry, but is especially sensitive to the combustor inlet geometry. Tests in progress will evaluate the effect of inlet geometry and operating pressure on both pollutant emissions and pressure-gain.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1993},
month = {11}
}

Conference:
Other availability
Please see Document Availability for additional information on obtaining the full-text document. Library patrons may search WorldCat to identify libraries that hold this conference proceeding.

Save / Share: