1. A method for assembling a gas turbine engine, said method comprising:
providing at least one combustor assembly defining a combustion chamber;
positioning at least one fuel nozzle at a forward end of the combustion chamber, the at least one fuel nozzle configured to inject a premixed fuelair mixture into the combustion chamber;
bonding a thermal insulating coating to at least a portion of the at least one fuel nozzle; and
applying a catalytic material to at least a portion of the thermal insulating coating.
2. A method in accordance with claim 1 further comprising arranging a plurality of fuel nozzles around the at least one fuel nozzle.
3. A method in accordance with claim 1 wherein said applying a catalytic material to at least a portion of the at least one fuel nozzle further comprises coating an inner surface of the at least one fuel nozzle with the catalytic material.
4. A method in accordance with claim 1 wherein said applying a catalytic material to at least a portion of the at least one fuel nozzle further comprises coating a tip portion of the at least one fuel nozzle with the catalytic material.
5. A method in accordance with claim 1 wherein said positioning at least one fuel nozzle at a forward end of the combustion chamber further comprises providing the at least one fuel nozzle that includes a tip portion that defines a concave region.
6. A method in accordance with claim 5 wherein said applying a catalytic material to at least a portion of the at least one fuel nozzle further comprises coating at least a portion of the concave region with the catalytic material.
7. A method in accordance with claim 1 wherein said applying a catalytic material to at least a portion of the at least one fuel nozzle further comprises bonding the catalytic material to at least one of a metal surface, a thermal barrier coating and a wash coat bonded to the at least one fuel nozzle.
8. A method in accordance with claim 1 wherein said providing at least one combustor assembly defining a combustion chamber further comprises providing at least one combustor assembly that includes a center fuel nozzle substrate surface region that defines a concave interior surface.
9. A method in accordance with claim 8 wherein said applying a catalytic material to at least a portion of the at least one fuel nozzle further comprises coating the concave interior surface with the catalytic material for facilitating developing a reactive fuelair mixture to enhance flame stabilization.
10. A method in accordance with claim 1 further comprising:
providing the at least one fuel nozzle having a substrate surface region defining a concave interior surface;
applying at least one thermal barrier coating layer to the substrate surface region; and
applying a catalytic coating to an outer thermal barrier layer for facilitating developing a reactive fuelair mixture to enhance flame stabilization.
11. A gas turbine engine comprising:
a combustor defining a combustion chamber;
a plurality of fuel nozzles positioned at a forward end of said combustion chamber such that each of said plurality of fuel nozzles is positioned to inject a premixed fuelair mixture into said combustion chamber, a thermal insulating coating bonded to at least a portion of at least one of said plurality of fuel nozzles, and a catalytic material bonded to said thermal insulating coating.
12. A gas turbine engine in accordance with claim 11 wherein said plurality of fuel nozzles further comprises a plurality of outer fuel nozzles arranged around at least one center fuel nozzle.
13. A gas turbine engine in accordance with claim 11 wherein an inner surface of said at least one fuel nozzle is coated with said catalytic material.
14. A gas turbine engine in accordance with claim 11 wherein a tip portion of said at least one fuel nozzle is coated with said catalytic material.
15. A gas turbine engine in accordance with claim 14 wherein said tip portion forms a concave interior surface region, at least a portion of said concave interior surface region coated with said catalytic material.
16. A gas turbine engine in accordance with claim 11 wherein said catalytic material is bonded to at least one of a metal surface of said at least one fuel nozzle, a thermal insulating coating bonded to said at least one fuel nozzle and a wash coat bonded to said at least one fuel nozzle.
17. A nozzle assembly for a gas turbine engine, said nozzle assembly comprising:
a fuel nozzle comprising a substrate surface region, said substrate surface region defining a concave interior surface region of said fuel nozzle;
a thermal insulating coating applied to said concave interior surface region; and
a catalytic material applied to said thermal insulating material.
18. A nozzle assembly in accordance with claim 17 further comprising a wash coat applied to said substrate surface region, said catalytic material dispersed within said wash coat.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for configuring an alarm system comprising a plurality of signal line circuits, the method comprising:
automatically determining to which signal line circuit, from the plurality of the signal line circuits, one or more alarm devices in the alarm system are connected;
automatically assigning a zone for the one or more alarm devices based at least in part on the signal line circuit to which the one or more alarm devices are connected;
receiving a communication from the one or more alarm devices; and
reporting the communication from the one or more alarm devices based on the assigned zone.
2. The method of claim 1, wherein the one or more alarm devices comprise initiating devices.
3. The method of claim 1, further comprising:
automatically creating a label for the one or more alarm devices based on the automatically assigned zone.
4. The method of claim 3, wherein automatically creating the label based on the automatically assigned zone comprises automatically associating an indication of the assigned zone with the one or more alarm devices.
5. The method of claim 4, wherein automatically creating the label further comprises automatically associating topology information for the one or more alarm devices with the indication of the assigned zone.
6. The method of claim 3, wherein automatically creating the label further comprises automatically associating a unique address with the indication of the assigned zone.
7. The method of claim 1, wherein automatically determining to which signal line circuit the one or more alarm devices are connected comprises determining a communication port for communicating with the one or more alarm devices; and
wherein automatically assigning the zone is based on the determined communication port.
8. The method of claim 7, wherein automatically assigning the zone comprises:
accessing a look-up table correlating communication ports for a fire alarm panel of the fire alarm system with sections of a building; and
automatically assigning the zone based on the accessed look-up table.
9. A method for reporting a fire alarm event in a fire alarm system, the method comprising:
receiving a first indication of a fire alarm event from a first initiating device in a first grouping;
determining grouping information for the first initiating device;
organizing presentation of the indication of the alarm event based on the determined grouping information;
presenting, on an output device, the organized presentation of the indication of the fire alarm event;
receiving a second indication of the fire alarm event from a second initiating device;
determining whether the second initiating device is in the first grouping;
in response to determining that the second initiating device is in the first grouping, maintaining the organized presentation of the indication of the fire alarm event based on the grouping information; and
in response to determining that the second initiating device is not in the first grouping, modifying the organized presentation of the indication of the fire alarm event to include an indication of the grouping information associated with the second initiating device.
10. The method of claim 9, further comprising:
compiling a tally of a number of initiating devices in the first grouping that have sent an indication of the fire alarm event; and
receiving a request from a user input device to provide additional information on the first grouping; and
outputting an indication of the tally of the number of initiating devices in the first grouping.
11. An initiating device for use in a fire alarm system, the initiating device comprising:
a communications interface configured to communicate with a fire alarm control panel in the fire alarm system;
a grouping input device configured to receive operator input grouping information input via the initiating device, the operator input grouping information indicative of at least one grouping selected from a plurality of groupings for the initiating device in the fire alarm system; and
a controller in communication with the grouping input device and the communications interface, the controller configured to:
in response to receiving a command from the communications interface to send grouping information to the fire alarm control panel, determine the operator input grouping information; and
send a response to the command, the response including an indication of the operator input grouping information.
12. The initiating device of claim 11, further comprising a memory configured to store the operator input grouping information, the memory in communication with the controller; and
wherein the controller determines the operator input grouping information by accessing the memory.
13. The initiating device of claim 11, wherein the grouping input device comprises a manual grouping input device configured to receive a manual input from an operator.
14. The initiating device of claim 11, wherein the grouping input device is configured to receive one of a plurality of inputs, the plurality of inputs indicative of different groupings for a fire alarm zone.
15. A fire alarm control panel configured to control an alarm system comprising a plurality of signal line circuits, the fire alarm control panel comprising:
a communications interface configured to communicate with one or more alarm devices in the alarm system; and
a controller in communication with the communications interface, the controller configured to:
automatically determine to which signal line circuit, from the plurality of the signal line circuits, the one or more alarm devices are connected;
automatically assigning a zone for the one or more alarm devices based at least in part on the signal line circuit to which the one or more alarm devices are connected;
receive a communication from the one or more alarm devices; and
report the communication from the one or more alarm devices based on the assigned zone.
16. The fire alarm control panel of claim 15, wherein the one or more alarm devices comprise initiating devices.
17. The fire alarm control panel of claim 16, wherein the controller is further configured to:
automatically create a label for the initiating devices by automatically associating an indication of the assigned zone with the initiating devices.
18. The fire alarm control panel of claim 15, wherein the controller is configured to automatically determine to which signal line circuit the one or more alarm devices are connected by determining a communication port for communicating with the one or more alarm devices; and
wherein the controller is configured to automatically assign the zone based on the determined communication port.
19. The fire alarm control panel of claim 18, further comprising a memory configured to store a look-up table correlating communication ports for the fire alarm control panel of the fire alarm system with sections of a building; and
wherein the controller is configured to automatically assign the zone by:
accessing the look-up table correlating communication ports for a fire alarm panel of the fire alarm system with sections of a building; and
automatically assigning the zone based on the accessed look-up table.
20. A fire alarm control panel comprising:
a communications interface for communicating with one or more alarm devices;
an output device; and
a controller in communication with the communications interface and the output device, the controller configured to:
receive, via the communications interface, a first indication of a fire alarm event from a first initiating device in a first grouping;
determine grouping information for the first initiating device;
organize presentation of the indication of the alarm event based on the determined grouping information;
present, on the output device, the organized presentation of the indication of the fire alarm event;
receive, via the communications interface, a second indication of the fire alarm event from a second initiating device;
determine whether the second initiating device is in the first grouping;
in response to determining that the second initiating device is in the first grouping, maintain the organized presentation of the indication of the fire alarm event based on the grouping information; and
in response to determining that the second initiating device is not in the first grouping, modify the organized presentation of the indication of the fire alarm event to include an indication of the grouping information associated with the second initiating device.