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Tuesday, May 19, 2020 | History

3 edition of Fuel-rich, catalytic reaction experimental results found in the catalog.

Fuel-rich, catalytic reaction experimental results

Fuel-rich, catalytic reaction experimental results

  • 218 Want to read
  • 3 Currently reading

Published by National Aeronautics and Space Administration, For sale by the National Technical Information Service in [Washington, D.C.], [Springfield, Va .
Written in English

    Subjects:
  • Aircraft engines.,
  • Atomizing.,
  • Catalysts.,
  • Combustion.,
  • Combustion efficiency.,
  • Fuel combustion.,
  • Gas turbine engines.,
  • Hydrocarbon fuels.,
  • Jet engine fuels.,
  • Reaction kinetics.,
  • Vaporizing.

  • Edition Notes

    StatementR. James Rollbuhler.
    SeriesNASA technical memorandum -- 104423.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15399201M

    Kinetics of the hydrogen-oxygen reaction on platinum Article (PDF Available) in Journal of Catalysis (1) November with 1, Reads How we measure 'reads'. The Response Surface Methodology (RSM) has been applied to explore the thermal structure of the experimentally studied catalytic combustion of stabilized confined turbulent gaseous diffusion flames. The Pt/γAl2O3 and Pd/γAl2O3 disc burners were situated in the combustion domain and the experiments were performed under both fuel-rich and fuel-lean conditions at a modified equivalence (fuel Author: Tahani S. Gendy, Salwa A. Ghoneim, Amal S. Zakhary.

    The design of the experimental setup allows vaporization of liquid urea at °C under 10 bar using an HPLC pump and a micro injector of 50 μm diameter. This work presents the experimental setup of the catalytic test and some remarkable catalytic results towards further development of new catalytic formulations specifically dedicated to urea. Simulation results in good qualitative agreement with experimental data are obtained here for the catalytic chemistry of NH3 during simultaneous sulphur capture on a Stevns Chalk particle.

      An experimental and numerical investigation of the hetero-/homogeneous combustion of fuel-rich hydrogen/air mixtures over platinum. Proceedings of the Combustion Institute, Vol Issue 2, , Pages D. G. Vlachos and P.-A. Bui. Catalytic ignition and extinction of hydrogen: comparison of simulations and : Junjie Chen, Wenya Song. The reaction mechanism is put forward based on the in situ FTIR experimental results, in which some carboxylate intermediate species are confirmed. Accordingly, the waste eggshell is considered as a promising supporting material for the large-scale synthesis of noble metal catalyst with high catalytic performance and stability for VOC oxidation.


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Fuel-rich, catalytic reaction experimental results Download PDF EPUB FB2

FUEL-RICH, CATALYTIC REACTION EXPERIMENTAL RESULTS Jim Rollbuhler National Aeronautics and Space Administration Lewis Research Center Cleveland, Ohio SUMMARY An experimental investigation has been conducted involving the partial oxidation reaction of a fuel-rich gaseous mixture of fuel and air in a cata- lyst containing reactor.

Get this from a library. Fuel-rich, catalytic reaction experimental results. [R James Rollbuhler; United States. National Aeronautics and Space Administration.]. The experimental results showed that mixed Rh-La-MnO 3 catalysts were suitable for the fuel-rich applications.

However, a progressive reduction of light-off temperature and a parallel improvement of the catalytic partial oxidation performance were observed by increasing Rh content in the Rh-La-MnO 3 : Amal S.

Zakhary, Ahmed K. Aboul-Gheit, Salwa A. Ghoneim. Fuel-rich catalytic combustion - A fuel processor for high-speed propulsion. THEODORE BRABBS, R. ROLLBUHLER and ERWIN LEZBERG. Experimentally obtained results are presented for vaporizing and partially oxidizing a liquid hydrocarbon fuel into burnable gaseous components.

The presented experimental data show that to K reaction product gas, rich in hydrogen, carbon monoxide, and light-end hydrocarbons, is formed when flowing to fuel to air mixes through a catalyst : Jim Rollbuhler. This first book to focus on the topic serves as a basis for defining a roadmap for the role of catalysis in energy production.

As such, this ready reference for researchers and engineers covers all the hot topics from a broad perspective -- fuel cells, hydrogen production and storage, methane storage and industrial catalysis.

Experimental results showed that mixed Rh-LaMnO 3 catalysts are Fuel-rich for fuel-rich combustion applications, showing positive synergetic effects linked to enhanced redox behaviour that ensure relatively high methane conversion and syngas yields even at reduced Rh loadings.

However, a progressive reduction of light-off temperature and a parallel improvement of the catalytic partial oxidation performance under pseudo-adiabatic operation are observed by increasing Rh Fuel-rich by:   The results also confirm that fuel-rich operation of the catalyst allows similar catalyst and reactor performance with widely varying fuel types.

For liquid fuel applications, the major outstanding development issue is pre-vaporization of the fuel prior to fuel-rich catalytic by: Periodic Operation of Reactors covers process fundamentals, research equipment and methods and provides "the state of the art" for the periodic operation of many industrially important catalytic reactions.

Emphasis is on experimental results, modeling and simulation. Combined reaction and separation are dealt with, including simulated moving bed chromatographic, pressure and temperature swing and circulating bed reactors.

Thus, Periodic Operation of Reactors. Designed to give chemical engineers the background they need for managing chemical reactions to achieve specific goals, this text examines the behavior of chemical reactions and reactors; conservation equations for reactors; heterogeneous reactions; fluid-fluid and fluid-solid reaction systems; heterogeneous catalysis and catalytic kinetics; diffusion and heterogeneous catalysis; and analyses 3/5(1).

In this study, the fuel-rich combustion of methane in a two-layer porous media burner consisting of dense alumina pellets of different diameters was investigated experimentally and numerically.

For a fixed inlet gas velocity of m/s, methane-rich flames were stabilized near the interface of two layers for equivalence ratios from to It was found that 40% of the methane was Cited by: 4.

Experimental results on the reaction kinetics of catalytic hydrogen combustion over Pt. H 2 conversion via the thermodynamic approach using material and energy balances. Reaction activation energy corresponding to the desorption energy of O 2 from Pt ().Cited by: 3.

The experimental results show that the main reactions during the heating process of B/AP and B/HMX samples are the decomposition of oxidizers, and the decomposition process of oxidizers rather.

Until now, the literature has offered a rather limited approach to the use of fundamental kinetics and their application to catalytic reactions.

Subsequently, this book spans the full range from fundamentals of kinetics and heterogeneous catalysis via modern experimental and theoretical results of model studies to their equivalent large-scale. Altering the exposed facet of CeO2 nanocrystallites and hence the control of surface chemistry on the nano level have been shown to significantly change their performances in various catalytic reactions.

The chemical state of surface Ce, which is associated with Lewis acidity and hence the adsorption/activation energy of reactants on the surface, is expected to vary with their hosted facets Author: Zicong Tan, Guangchao Li, Hung-Lung Chou, Yiyang Li, Xianfeng Yi, Abdul Hanif Mahadi, Anmin Zheng, A.

Exploring and highlighting the new horizons in the studies of reaction mechanisms that open joint application of experimental studies and theoretical calculations is the goal of this book.

The latest insights and developments in the mechanistic studies of organometallic reactions and catalytic processes are presented and reviewed. Ultra-low NOx emissions from catalytic hydrogen combustion and the fuel-rich catalytic/gaseous-lean combustion.

The experimental results suggested that the Pt-Al2O3 hydrophobic catalyst. In this study, the fuel-rich combustion of methane in a two-layer porous media burner consisting of dense alumina pellets of different diameters was investigated experimentally and numerically.

For a fixed inlet gas velocity of m/s, methane-rich flames were stabilized near the interface of two layers for equivalence ratios from to Cited by: 4. ConspectusCatalytic processes have remarkably boosted the rapid industrializations in chemical production, energy conversion, and environmental remediation.

As one of the emerging applications of carbocatalysis, metal-free nanocarbons have demonstrated promise as catalysts for green remediation technologies to overcome the poor stability and undesirable metal leaching in metal-based advanced Cited by: A new rich-catalytic lean-burn combustion concept (trademarked by PCI as RCL) was tested at industrial gas turbine conditions, in Solar Turbines’ high-pressure (17 atm) combustion rig and in a modified Solar Turbines engine, demonstrating ultralow emissions of NO x catalytic reactor replaced a single Cited by:.

Advanced Catalytic Pilot for Low NO x Industrial Gas The results demonstrate that a catalytic pilot burner replacing a diffusion flame or partially premixed pilot in an otherwise DLN combustor can enable Rollbuhler, J. R.,“Fuel-Rich Catalytic Reaction Experimental Results,” AIAA/SAE/ASME/ASEE, 27th Joint Propulsion Conference Cited by: In a future energy scenario without fossil fuels carbon from renewable biomass will be a limited resource.

Full carbon utilization through catalytic methanation of CO2 in biogas appears to be a low hanging fruit. However, concerns on catalyst cost and wear, elaborate reactor cooling requirements and signific.Request PDF | Experimental and modeling study of hydrogen production from catalytic steam reforming of methane mixture with hydrogen sulfide | Experimental and theoretical studies of steam methane.