1. An apparatus comprising:
an interface configured to receive energy-related information from at least one monitoring device, the energy-related information associated with a plurality of elements in a hierarchically-arranged domain, each element representing one of a plurality of physical areas, one of a plurality of equipment components, or a combination of at least one physical area and at least one equipment component;
a memory configured to store the energy-related information; and
a processing system configured to:
identify energy usage associated with each element;
generate a graphical user interface including a plurality of sections, each section representative of a specified one of the elements and having a size that is based on energy usage associated with the specified element relative to energy usage associated with other elements;
present at least a portion of the graphical user interface to a user; and
generate and present to the user, in response to identifying a selection of one of the sections in the graphical user interface, a graph including energy usage over a period of time for a selected element represented by the selected section,
wherein each section has a color, the size of each section is based on an energy usage by that section’s associated element, and a color and a color intensity of each section are based on a comparison of the energy usage by that section’s associated element to a baseline energy usage for that section’s associated element.
2. The apparatus of claim 1, wherein the graphical user interface comprises:
a treemap comprising the sections; and
one or more graphs including energy-related information associated with one or more of the elements.
3. The apparatus of claim 2, wherein the energy usage associated with each element is one of an annual energy usage or an average energy usage;
4. The apparatus of claim 1, wherein the graph including the energy usage for the selected element comprises:
a daily usage plot including the energy usage for the selected element versus time for each of a specified number of days.
5. The apparatus of claim 1, wherein the graph including the energy usage for the selected element comprises:
a variance plot including (i) the energy usage for the selected element versus temperature for each of a specified number of days and (ii) bins defining temperature ranges and identifying variations of the energy usage for the selected element within the temperature ranges.
6. The apparatus of claim 1, wherein the graph including the energy usage for the selected element comprises:
a daily trend summary including multiple shaded areas graphically identifying the energy usage for the selected element for each of a specified number of days.
7. The apparatus of claim 1, wherein the physical areas include at least one of: enterprises, buildings, and plants.
8. The apparatus of claim 2, wherein the one or more graphs including the energy-related information present information associated with a potential cost avoidance and a potential carbon emission avoidance.
9. The apparatus of claim 1, wherein the processing system is further configured to generate one or more of: a mosaic plot, a time-series plot, and an XY scatter plot.
10. A method comprising:
receiving, from at least one monitoring device, energy-related information associated with a plurality of elements in a hierarchically-arranged domain, wherein each element represents one of a plurality of physical areas, one of a plurality of equipment components, or a combination of at least one physical area and at least one equipment component;
identifying energy usage associated with each element;
generating a graphical user interface including a plurality of sections, each section representative of a specified one of the elements and having a size that is based on energy usage associated with the specified element relative to energy usage associated with other elements;
presenting at least a portion of the graphical user interface to a user; and
generating and presenting to the user, in response to identifying a selection of one of the sections in the graphical user interface, a graph including energy usage over a period of time for a selected element represented by the selected section,
wherein each section has a color, the size of each section is based on an energy usage by that section’s associated element, and a color and a color intensity of each section are based on a comparison of the energy usage by that section’s associated element to a baseline energy usage for that section’s associated element.
11. The method of claim 10, wherein the graphical user interface comprises:
a treemap comprising the sections; and
one or more graphs including energy-related information associated with one or more of the elements.
12. The method of claim 11, wherein the energy usage associated with each element is one of an annual energy usage or an average energy usage.
13. The method of claim 10, wherein the graph including the energy usage for the selected element comprises at least one of:
a daily usage plot including the energy usage for the selected element versus time for each of a specified number of days;
a variance plot including (i) the energy usage for the selected element versus temperature for each of a specified number of days and (ii) bins defining temperature ranges and identifying variations of the energy usage for the selected element within the temperature ranges; and
a daily trend summary including multiple shaded areas graphically identifying the energy usage for the selected element for each of a specified number of days.
14. The method of claim 10, wherein the physical areas include at least one of: enterprises, buildings, and plants.
15. The method of claim 10, wherein the graph including the energy usage for the selected element comprises highlighted and non-highlighted areas defining occupied and unoccupied times for the physical areas.
16. The method of claim 11, wherein the one or more graphs including the energy-related information present information associated with a potential cost avoidance and a potential carbon emission avoidance.
17. A non-transitory computer readable medium embodying a computer program, the computer program comprising:
computer readable program code for receiving, from at least one monitoring device, energy-related information associated with multiple elements in a hierarchically-arranged domain, each element representing one of a plurality of physical areas, one of a plurality of equipment components, or a combination of at least one physical area and at least one equipment component;
computer readable program code for identifying energy usage associated with each element;
computer readable program code for generating a graphical user interface including a plurality of sections, each section representative of a specified one of the elements and having a size that is based on energy usage associated with the specified element relative to energy usage associated with other elements;
computer readable program code for presenting at least a portion of the graphical user interface to a user; and
computer readable program code for generating and presenting to the user, in response to identifying a selection of one of the sections in the graphical user interface, a graph including energy usage over a period of time for a selected element represented by the selected section,
wherein each section has a color, the size of each section is based on an energy usage by that section’s associated element, and a color and a color intensity of each section are based on a comparison of the energy usage by that section’s associated element to a baseline energy usage for that section’s associated element.
18. The computer readable medium of claim 17, wherein the energy usage associated with each element is one of an annual energy usage or an average energy usage.
19. The apparatus of claim 1, wherein the at least one monitoring device comprises at least one of: a temperature sensor and an energy meter.
20. The apparatus of claim 7, wherein one or more equipment component elements form one equipment element, one or more equipment elements form one plant element, one or more plant elements form one building element, and one or more building elements form one enterprises element.
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 shrouded axial flow fluid turbine comprising:
an aerodynamically contoured turbine shroud having an inlet and configured to produce a non-uniform fluid velocity profile across a rotor plane when exposed to a fluid flow; and
a rotor disposed downstream of the inlet and configured to extract energy from fluid passing through the rotor plane, the rotor comprising:
a central hub; and
a plurality of blades, each blade including:
a root region having a blade root;
a tip region having a blade tip;
a mid-region disposed between the root region and the tip region; and
a blade axis extending radially from the blade root to the blade tip; each blade configured to have a value of power extraction per mass flow rate at a radial position along the blade axis that is greater at a first radius in the tip region of the blade than at second radius in the mid-region of the blade when exposed to the non-uniform fluid velocity profile.
2. The shrouded axial flow fluid turbine of claim 1, wherein an average value of power extraction per mass flow rate for radial positions along the blade axis in the tip region is larger than an average value of power extraction per mass flow rate for radial positions along the blade axis in the mid-region when exposed to the non-uniform fluid velocity profile.
3. The shrouded axial flow fluid turbine of claim 1, wherein an average value of power extraction per mass flow rate for radial positions along the blade axis in the mid-region is larger than an average value of power extraction per mass flow rate for radial positions along the blade axis in the root region when exposed to the non-uniform fluid velocity profile.
4. The shrouded axial flow fluid turbine of claim 1, wherein each blade is configured to have a value of power extraction per mass flow rate at a radial position along the blade axis that varies as a function of distance of the radial position from a central axis of rotation of the rotor when exposed to the non-uniform fluid velocity profile.
5. The shrouded axial flow fluid turbine of claim 1, wherein a pitch, a chord length and a camber of each blade at each radial position along the blade axis are configured to produce a non-uniform power extraction per mass flow rate profile along the blade axis.
6. The shrouded axial flow fluid turbine of claim 1, wherein, for each blade, an average value of power extraction per mass flow rate for radial positions along the blade axis in the tip region is between 20% and 45% greater than an average value of power extraction per mass flow rate for radial positions along the blade axis from the blade root to the blade tip.
7. The shrouded axial flow fluid turbine of claim 1, wherein, for each blade, an average value of power extraction per mass flow rate for radial positions along the blade axis in the root region is between 20% and 45% less than an average value of power extraction per mass flow rate for radial positions along the blade axis from the blade root to the blade tip.
8. The shrouded axial flow fluid turbine of claim 1, wherein the turbine shroud further comprises one or more mixing devices disposed downstream of the rotor and extending downstream.
9. The axial flow fluid turbine of claim 10, wherein the one or more mixing devices comprise mixer lobes.
10. The axial flow fluid turbine of claim 10, further comprising an ejector shroud downstream of the turbine shroud.
11. The axial flow fluid turbine of claim 12, wherein turbine shroud with one or more mixing devices and the ejector shroud form a mixer-ejector pump, and the wherein the non-uniform flow velocity profile at the rotor plane is created, in part, by the mixer-ejector pump.
12. The axial flow fluid turbine of claim 10, wherein the mixing devices function as flow straighteners to straighten a fluid flow downstream of the rotor.
13. A rotor blade coupleable to a rotor of a shrouded fluid turbine having a turbine shroud that produces a non-uniform fluid velocity profile across a rotor plane when exposed to a fluid flow, the rotor including a central hub configured to receive one or more rotor blades, the rotor blade comprising:
a root region having a blade root;
a tip region having a blade tip;
a mid-region disposed between the root region and the tip region; and
a blade axis extending from the blade root to the blade tip;
wherein the blade is configured to, when connected with the central hub, have a value of power extraction per mass flow rate at a radial position along the blade axis that is greater at a first radius in the tip region of the blade than at a second radius in the mid-region of the blade when exposed to the non-uniform fluid velocity profile.
14. The rotor blade of claim 13, wherein a pitch of the blade as a function of radial position along the blade axis is configured to, when connected with the central hub, produces an average value of power extraction per mass flow rate for radial positions along the blade axis in the tip region greater than an average value of power extraction per mass flow rate for radial positions along the blade axis in the mid-region when exposed to the non-uniform fluid velocity profile.
15. The rotor blade of claim 13, wherein a pitch of the blade as a function of radial position along the blade axis is configured to, when connected with the central hub, produce a negative average value of power extraction per mass flow rate or radial positions along the blade axis in the root region when exposed to the non-uniform fluid velocity profile.
16. A rotor configured for use with a shrouded fluid turbine having a turbine shroud that creates a non-uniform fluid velocity profile across a rotor plane when exposed to a fluid flow, the rotor comprising:
a central hub with a central axis of rotation;
one or more rotor blades, each of the one or more rotor blades comprising:
a root region having a blade root that couples with the central hub;
a tip region having a blade tip;
a mid-region disposed between the root region and the tip region; and
a blade axis extending from the blade root to the blade tip;
wherein, for each of the one or more rotor blades, a pitch of the blade as a function of radial position along the blade axis is configured to, when connected with the central hub, produce a power extraction per mass flow rate that is greater at a first radius in the tip region of the blade than at second radius in the mid-region of the blade when exposed to the non-uniform fluid velocity profile.
17. A method of operating a shrouded axial flow fluid turbine including an aerodynamically contoured turbine shroud having an inlet, and a rotor disposed downstream of the turbine shroud inlet, the rotor including a plurality of blades, each blade having a root region including a blade root, a tip region including a blade tip, and a mid-region disposed between the root region and the tip region, the method comprising:
establishing a non-uniform fluid flow through a rotor plane in which an average velocity of fluid flowing through an area of the rotor plane associated with the tip region of each blade is greater than an average velocity of fluid flowing through an area of the rotor plane associated with the mid-region of each blade; and
extracting power from the non-uniform fluid flow using the plurality of blades by extracting a greater average power per mass flow rate over the tip region of each blade than an average power per mass flow rate extracted over the a mid-region of each blade.
18. The method of claim 17, wherein the rotor has an axis of rotation, and wherein each blade has a value of power extraction per unit mass flow rate at a radial position along a blade axis that varies as a function of the distance of the radial position from the rotor axis of rotation when exposed to the non-uniform fluid velocity profile.
19. The method of claim 17, wherein, for each blade, an average value of power extraction per mass flow rate for radial positions along the blade axis in the tip region is between 20% and 45% greater than an average value of power extraction per mass flow rate for radial positions along the blade axis from the blade root to the blade tip.
20. The method of claim 17, wherein the turbine shroud further includes one or more mixing devices disposed downstream of the rotor and extending downstream.
21. The method of claim 20, wherein the one or more mixing devices comprise mixer lobes.
22. The method of claims 20, wherein the axial flow fluid turbine further includes an ejector shroud downstream of the turbine shroud.
23. The method of claim 21, wherein turbine shroud with mixing devices and the ejector shroud form a mixer-ejector pump, and the wherein the non-uniform flow velocity profile at the rotor plane is created, in part, by the mixer-ejector pump.
24. The method of claim 20, wherein the mixing devices function as flow straighteners to straighten a fluid flow downstream of the rotor.
25. The method of claim 17, wherein the shrouded axial flow turbine generates electricity from the power extracted from the non-uniform fluid flow by the rotor.
26. A turbine comprising a rotor that (i) is configured to extract energy from a fluid flow characterized by a turbine-induced non-uniform fluid velocity profile across a rotor plane and (ii) includes at least one unevenly-loaded rotor blade having a power-extracting region in which power extraction per mass flow rate at a first radial position relative to an axis of rotation is different than power extraction per mass flow rate at a second radial position relative to the axis of rotation.
27. The turbine of claim 26, wherein an airfoil of the blade at each of the first and second radial positions is configured based on a pitch or a shape of the airfoil to affect the difference between power extraction per mass flow rate at the first radial position and power extraction per mass flow rate at the second radial position.
28. The turbine of claim 26, wherein the turbine-induced non-uniform velocity profile is characterized by a greater flow velocity at the first radial position than at the second radial position and wherein power extraction per mass flow rate at the first radial position is greater than power extraction per mass flow rate at the second radial position.
29. A method for manufacturing an unevenly-loaded rotor blade, the method comprising:
identifying along a power extracting region of the blade a first radial position relative to an axis of rotation of the blade having an expected exposure to a greater flow velocity than a second radial position relative to the axis of rotation along the power extracting region of the blade; and
configuring the power-extracting region to affect greater power extraction per mass flow rate at the first axial position than at the second axial position.