Abstract: A combustor is capable of ignition and flame propagation at low fuel concentrations for gas or liquid fuel. Combustors are disposed annularly along an outer peripheral portion of a casing of a turbine. A combustion chamber burns fuel and air to generate a combustion gas. A diffusion burner is disposed upstream of the combustion chamber; and a plurality of premix burners are disposed around the diffusion burner. Cross fire tubes provide communication between combustion chambers of combustors adjacent to each other. A cross fire tube connected to a combustor adjacent to a first side in the circumferential direction of the casing is disposed so as to have a central axis passing over a premix burner as viewed from the combustion chamber and another cross fire tube connected to the combustor adjacent to a second side is disposed so as to have a central axis passing between two premix burners.

Abstract: An apparatus according to the present invention includes a display control unit configured to control to display an ultrasound image on a first display area in a display unit. In this case, the display control unit controls to, based on information representing a display instruction given when a moving image of the ultrasound image is being displayed, display a still image of a superimposition image of the ultrasound image and a photoacoustic image corresponding to a time point of the display instruction on a second display area different from the first display area in the display unit and, on the other hand, continue the display of the moving image of the ultrasound image on the first display area.

Abstract: A flame produced within a premixer is promptly extinguished and a reduction in output power of a gas turbine associated with extinguishment is suppressed.

Abstract: Provided is a picture conversion method capable of, when displaying a picture obtained from identical video data on a display device at different display luminances, converting the picture so that appearances of the picture visually come close to each other. The method includes a step of converting the picture by setting gradation characteristics when displaying the picture at a second luminance so that an inter-close gradation JND corresponding value difference at the second display luminance comes close to an inter-close gradation JND corresponding value difference at a first display luminance in a target gradation range which is at least part of an entire gradation range.

Abstract: A gas turbine combustor of the present invention includes a cylindrical combustor liner, a cylindrical combustion chamber inside the combustor liner, and a burner that includes a plurality of fuel nozzles for injecting the gas fuel into the combustion chamber and an air hole plate with a plurality of air holes for guiding the compressed air into the combustion chamber. The air hole plate joins the combustor liner and is disposed between the fuel nozzles and the combustion chamber. The junction between the air hole plate and the combustor liner is provided with an inclined component which covers the junction and has a connecting surface connecting the air hole plate and the combustor liner.

Abstract: A display apparatus including a drive control section that performs control to repeatedly switch between a drive time period during which a backlight emits light and a rest time period during which the backlight does not emit light, in an alternating manner with a prescribed period. The drive control section controls a ratio between the drive time period and the rest time period, and controls the amount of drive current supplied to the backlight during the drive time period. The drive control section sets the rest time period to be a prescribed time period and controls the amount of the drive current for a range where an adjustment value is less than a prescribed value, and sets the drive current to a prescribed value and makes the rest time period shorter than the prescribed time period for a range where the adjustment value is greater than the prescribed value.

Abstract: Provided is a display device and display method that can improve the moving image display performance. A display device includes a display panel and a backlight for the display panel. The display device also includes control means configured to output a control signal for controlling illumination and extinction of the backlight, to the backlight in synchronization with start of update of a frame on the display panel and update means configured to update a frame in each predetermined period in order to change one image displayed on a screen of the display panel. The control means outputs a control signal for controlling the backlight so that the backlight starts to illuminate after the update means starts to update one frame and ends illumination at the time point when the update means starts to update a frame subsequent to the one frame or after the time point.

Abstract: A gas turbine combustor is provided in which product reliability and heat transfer promotion are compatible while suppressing an increase in pressure loss. In a gas turbine combustor comprising a combustor liner, an outer tube provided around an outer periphery of the combustor liner, and an annular flow passage in which a cooling medium (cooling air) flows and which is formed between an outer surface of the combustor liner and an inner surface of the outer tube, the outer tube includes an inner diameter reduced portion and a taper portion smoothly connecting the inner diameter reduced portion and an inner peripheral portion on an upstream side, and is provided at an inner surface of the taper portion with longitudinal vortex generating means generating a vortex that has a central rotation axis in a flowing direction of the cooling medium (cooling air).

Abstract: The gas turbine combustor and the operation method thereof are designed to minimize visualization of exhaust gas from the gas turbine upon switching of the gas turbine fuel from the oil fuel to the gas fuel. Upon switching of the combustion by the pilot burner from the oil burning to the gas burning, the gas fuel is supplied to the main burners so as to start the gas burning. Then the gas fuel is supplied to the pilot burner to start the gas burning.

Abstract: The gas turbine combustor includes a swirler lip on the air hole plate periphery, protruding toward a chamber, and a spring seal in an area for fitting the liner and the plate/lip. The spring seal has an air hole for passage of part of the combustion air introduced in the gap between the outer periphery of the air hole plate and the liner. The swirler lip has an air hole which introduces part of the combustion air passing through the spring seal air hole into the chamber. The liner has an air hole facing the spring seal air hole, to introduce part of air from outside the liner into the gap between the outer periphery of the air hole plate and the liner. A turn guide for rectifying a combustion air flow is provided at the liner end portion on the side for fitting the liner and air hole plate.

Abstract: An apparatus according to an aspect of the present invention includes a first obtaining unit configured to obtain an ultrasound image generated by transmitting and receiving ultrasonic waves to and from an object, a display control unit configured to control a display unit to display the ultrasound image, a second obtaining unit configured to obtain a photoacoustic signal generated by receiving photoacoustic waves generated from light irradiated to the object, and a saving control unit configured to obtain information representing a save instruction given when the ultrasound image is being displayed, and configured to save in a storage unit the ultrasound image corresponding to a time point of the save instruction and information derived from the photoacoustic signal based on the information representing the save instruction.

Abstract: An apparatus for controlling a gas turbine combustor having a diffusion combustion burner and a premix combustion burner comprising: a rotating speed detector for detecting a rotating speed of gas turbine, a recorder for recording the detected value of the rotating speed of gas turbine detected by the rotating speed detector, an arithmetic unit for calculating a change with time of the rotating speed of gas turbine in accordance with details of the detected value of the rotating speed of gas turbine recorded in the recorder, and a fuel control unit for judging a starting situation of reduction in the rotating speed of gas turbine on the basis of the change with time of the rotating speed of gas turbine calculated by the arithmetic unit and controlling respectively a fuel flow rate for the diffusion combustion burner to be fed to the diffusion combustion burner installed in the gas turbine combustor and a fuel flow rate for the premix combustion to be fed to the premix combustion burner.

Abstract: In a gas turbine combustor 3 of the present invention, an air hole plate 20 includes a center air hole group 51 configured from a plurality of air holes 51A and 51B and a plurality of outer circumferential air hole groups 52 configured from a plurality of air holes 52A, 52B, and 52C and formed to surround the center air hole group 51. The gas turbine combustor 3 includes a hole part 601 and a temperature sensor 401 provided on the air hole plate 20 to be located in a region surrounded by two outer circumferential air hole groups 52 adjacent to each other and the center air hole group 51, a supply source 220 of coolant, a cooling pipeline 205 that connects the hole part 601 and the supply source 220, valves 67 and 68 provided in the cooling pipeline 205, and a control system 500 that drives the valves 67 and 68 on the basis of a measured value of the temperature sensor 401.

Abstract: There is provided a gas turbine combustor capable of improving cooling performance of a combustion chamber thereof and reducing the amount of NOx emissions.

Abstract: A gas turbine combustor is provided that can stably burn two kinds of gas fuels having different heating values by means of the same burner. In the gas turbine combustor that includes a combustion chamber for mixing fuel and air for combustion and a burner, disposed upstream of the combustion chamber, for jetting fuel and air into the combustion chamber and holding flames, the burner has a first swirler including a plurality of fuel holes and of air holes circumferentially alternately and a second swirler including a plurality of holes through which to jet fuel or air, the second swirler is disposed on the outer circumference of the first swirler, and each of the holes of the second swirler is greater in width than each of the air holes of the first swirler.

Abstract: Provided is a picture conversion method capable of, when displaying a picture obtained from identical video data on a display device at different display luminances, converting the picture so that appearances of the picture visually come close to each other. The method includes a step of converting the picture by setting gradation characteristics when displaying the picture at a second luminance so that an inter-close gradation JND corresponding value difference at the second display luminance comes close to an inter-close gradation JND corresponding value difference at a first display luminance in a target gradation range which is at least part of an entire gradation range.

Abstract: A gas turbine combustor includes a plurality of fuel nozzles, an air hole plate, a plate lip that covers an outer circumference side of the air hole plate, and an outer channel that supplies compressed air to an outer circumferential part of a portion on the plate lip side of the combustion chamber. The outer circumferential surface of the air hole plate includes a first surface joined to the plate lip and a second surface located further on the radial direction inner side of the air hole plate than the first surface to form a space between the second surface and the inner circumferential surface of the plate lip. A communicating hole that communicates the outer channel and the space is provided in the plate lip.

Abstract: A gas turbine combustor includes: multiple gaseous fuel nozzles to inject gaseous fuel; a manifold to distribute gaseous fuel to the multiple gaseous fuel nozzles; a burner flange to secure a burner to an end cover; and a burner body to connect the manifold and the burner flange. Gaseous fuel passages are provided in the end cover, the burner flange, and the burner body. The gaseous fuel passage communicates with the manifold. A second manifold is provided in the burner flange. The gaseous fuel passage is provided in the burner body to make the second manifold communicate with the first mentioned manifold.

Abstract: A radiation image processing apparatus comprises a storage unit that stores part information with which an imaging region and an extraction size of a radiation image are associated, a recognizing unit that recognizes a region of interest from a radiation image based on an image region associated with designated part information, and an arrangement unit that arranges an extraction area of an extraction size associated with the designated part information on the radiation image in accordance with the region of interest recognized by the recognizing unit.

Abstract: Provided is a display device and display method that can improve the moving image display performance. A display device includes a display panel and a backlight for the display panel. The display device also includes control means configured to output a control signal for controlling illumination and extinction of the backlight, to the backlight in synchronization with start of update of a frame on the display panel and update means configured to update a frame in each predetermined period in order to change one image displayed on a screen of the display panel. The control means outputs a control signal for controlling the backlight so that the backlight starts to illuminate after the update means starts to update one frame and ends illumination at the time point when the update means starts to update a frame subsequent to the one frame or after the time point.