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Title: Combustor assembly for low-emissions and alternate liquid fuels

Abstract

Implementations of a combustor assembly yield low emissions, require low power, are suitable for alternate liquid fuels, including highly viscous fuels, and are scalable for various heat release rates. The combustor assembly includes a fuel injector and a swirler. The fuel injector may include a choke portion and a spacer. The choke portion is disposed just upstream of an outlet of a liquid fuel conduit and prevents atomizing gas from interrupting continuous flow of the liquid fuel through the liquid fuel conduit. The spacer is disposed downstream of the outlet to precisely control the gap and thus, bifurcation of atomizing gas flow, between the outlet of liquid fuel conduit and an inlet of an orifice plate. The swirler is disposed radially outwardly and adjacent the fuel injector and includes a plurality of angled vanes.

Inventors:
Issue Date:
Research Org.:
Univ. of Alabama, Tuscaloosa, AL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1650991
Patent Number(s):
10677458
Application Number:
15/484,197
Assignee:
The Board of Trustees of The University of Alabama (Tuscaloosa, AL)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23D - BURNERS
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  {A CARRIER GAS OR} AIR 
DOE Contract Number:  
EE0001733
Resource Type:
Patent
Resource Relation:
Patent File Date: 04/11/2017
Country of Publication:
United States
Language:
English

Citation Formats

Agrawal, Ajay K. Combustor assembly for low-emissions and alternate liquid fuels. United States: N. p., 2020. Web.
Agrawal, Ajay K. Combustor assembly for low-emissions and alternate liquid fuels. United States.
Agrawal, Ajay K. Tue . "Combustor assembly for low-emissions and alternate liquid fuels". United States. https://www.osti.gov/servlets/purl/1650991.
@article{osti_1650991,
title = {Combustor assembly for low-emissions and alternate liquid fuels},
author = {Agrawal, Ajay K.},
abstractNote = {Implementations of a combustor assembly yield low emissions, require low power, are suitable for alternate liquid fuels, including highly viscous fuels, and are scalable for various heat release rates. The combustor assembly includes a fuel injector and a swirler. The fuel injector may include a choke portion and a spacer. The choke portion is disposed just upstream of an outlet of a liquid fuel conduit and prevents atomizing gas from interrupting continuous flow of the liquid fuel through the liquid fuel conduit. The spacer is disposed downstream of the outlet to precisely control the gap and thus, bifurcation of atomizing gas flow, between the outlet of liquid fuel conduit and an inlet of an orifice plate. The swirler is disposed radially outwardly and adjacent the fuel injector and includes a plurality of angled vanes.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {6}
}

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Works referenced in this record:

Multifunction injector and relative combustion process for metallurgical treatment in an electric arc furnace
patent, November 2009


Combustion chamber for rocket engine
patent, November 2000