摘要:
An electrical machine comprising a rotor is presented. The electrical machine includes the rotor disposed on a rotatable shaft and defining a plurality of radial protrusions extending from the shaft up to a periphery of the rotor. The radial protrusions having cavities define a fluid path. A stationary shaft is disposed concentrically within the rotatable shaft wherein an annular space is formed between the stationary and rotatable shaft. A plurality of magnetic segments is disposed on the radial protrusions and the fluid path from within the stationary shaft into the annular space and extending through the cavities within the radial protrusions.
摘要:
A chassis (10) with distributed jet cooling is provided. The chassis includes one or more sidewalls (12) defining a volume configured to substantially surround one or more heat generating components positioned within the volume. The chassis further includes at least one array of fins (14) thermally coupled to a respective one of the one or more sidewalls and at least one synthetic jet assembly (30) comprising a multi-orifice synthetic jet (30) or a number of single orifice synthetic jets (2) disposed on a side (15, 16) of a respective one of the array(s) of fins. The chassis further includes at least one attachment means (4, 6, 9, 11, 20, 44) for attaching a respective one of the at least one synthetic jet assemblies to a respective one of the one or more sidewalls.
摘要:
An electrical machine to facilitate transporting fluids through a pipeline is provided. The machine includes a stator (122), a rotor (120) magnetically coupled to the stator, and a housing (106) enclosing the rotor and the stator. The housing includes a wall (162) that facilitates channeling a first fluid at a first pressure through a portion (105) of the housing. The machine also includes a stator enclosure (200) defined by at least one wall that facilitates maintaining a second fluid within the stator enclosure. The stator enclosure is positioned within the electric machine housing. The stator enclosure has at least one wall that substantially isolates the second fluid from the first fluid such that only the second fluid is in flow communication with the stator. The stator enclosure has at least one wall that facilitates heat transfer from the second fluid to the first fluid. At least a portion of at least one of the stator enclosure walls is configured to facilitate equalizing the first pressure and the second pressure.
摘要:
A component enclosure (100,300) is provided. The component enclosure includes one or more sidewalls (102,302) defining a volume configured to substantially surround a heat generating component (506) positioned within the volume, and a synthetic jet assembly (304,600) positioned adjacent at least one of the sidewalls, the synthetic jet assembly including at least one synthetic jet ejector (502) including a jet port (306), the jet port aligned at least one of perpendicularly, parallelly, and obliquely with a surface (504) of the at least one sidewall, the synthetic jet assembly is configured to direct a jet of fluid (510) through the port at least one of substantially parallel to the surface, perpendicularly onto the surface, and obliquely toward the surface.
摘要:
Test methods for testing rotor and stator assemblies that utilize magnetic bearings prior to installation. The test method generally includes operating the rotor and stator assembly prior to installation in a test atmosphere at a pressure greater than 2 bar. The test atmosphere can be formed of air, an inert gas, or an expanded cryogenic gas.
摘要:
A method for assembling a turbine engine (10) to facilitate preventing ice accumulation on the turbine engine during engine operation. The method includes coupling a manifold to the gas turbine engine such that the manifold (102) is coupled in thermal communication with a heat source, coupling a first heat pipe (100) to the manifold such that the first heat pipe partially circumscribes the gas turbine engine in a clockwise orientation, and coupling a second heat pipe to the manifold such that the second heat pipe partially circumscribes the gas turbine engine in a counter-clockwise orientation.
摘要:
A multi-domain cooling assembly 100 configured to be coupled with one or more heat sources 104 includes a body 118 having an outer surface 102 and at least one cooling chamber 106, 114 disposed inside the body 118. The at least one cooling chamber 106, 114 extends in at least two orthogonal dimensions and includes a working fluid to extract thermal energy from the one or more heat sources 104. The assembly 100 includes a cooling channel 108 disposed within the body 118 and fluidly coupled with a passageway 110, 112 that carries cooling fluid into and out of the cooling channel 108. At least a portion of the cooling fluid is a liquid phase, a gas phase, or a liquid-gas mix phase. The cooling channel 108 is fluidly separate from the at least one cooling chamber 106, 114. The cooling channel 108 is thermally coupled with the at least one cooling chamber 106, 114. The at least one cooling chamber 106, 114 transfers thermal energy from the working fluid to the cooling fluid.
摘要:
An apparatus, such as an electrical machine (100), is provided. The apparatus can include a rotor (104) defining a rotor bore (120) and a conduit (124) disposed in and extending axially along the rotor bore. The conduit can have an annular conduit body (128) defining a plurality of orifices (134) disposed axially along the conduit and extending through the conduit body. The rotor can have an inner wall (122) that at least partially defines the rotor bore. The orifices can extend through the conduit body along respective orifice directions, and the rotor and conduit can be configured to provide a line of sight along the orifice direction from the respective orifices to the inner wall.
摘要:
An apparatus, such as an electrical machine (100), is provided. The apparatus can include a rotor (104) defining a rotor bore (120) and a conduit (124) disposed in and extending axially along the rotor bore. The conduit can have an annular conduit body (128) defining a plurality of orifices (134) disposed axially along the conduit and extending through the conduit body. The rotor can have an inner wall (122) that at least partially defines the rotor bore. The orifices can extend through the conduit body along respective orifice directions, and the rotor and conduit can be configured to provide a line of sight along the orifice direction from the respective orifices to the inner wall.