Mitsubishi Heavy Industries Limited

Sony Corporation

Hitachi, Ltd.

Mitsubishi Heavy Industries Thermal Systems, Ltd.

Mitsubishi Heavy Industries Engineering, Ltd.

Hitachi Microcomputer System, Ltd.

Yoshiyuki Kondo

Koichi Tanimoto

Jiro Kasahara

Koichi Tagawa

Toshiyuki Mizutani

Koichi Hamamoto

Atsushi Kodama

Atsushi Matsuzaki

Kengo Shimamura

Yoshiteru Komuro

Kenji Inoue

Naoki Inoue

Tatsuo Ishiguro

Masahiro Kato

Shingo Nishikata

Takuo Oda

Yukio Takeuchi

Hiroyuki Daigo

Yuichi Otani

Tomoya Morioka

Tadahiko Suzuta

Kenji Nishida

Tetsu Shigetomi

Masatoshi Hirayasu

Atsushi Ichise

Yasuhiko Hirao

Yusuke Yanase

Hiroyuki Kobayashi

Takashi Kamijo

Yasushi Hasegawa

Hiromitsu Nagayasu

Shigezumi Matsui

Ikuya Kawasaki

Tomoyuki Inoue

Shigeki Suzuki

Nobuhide Hara

Shinya Ishii

Masami Yamashita

Hideo Tomita

Hiroshi Sahara

Masakatsu Toyoshima

Naoya Miyoshi

Osamu Miyamoto

Kenichi Kikuchi

Satoshi Hiraoka

Hiroshi Hirano

Kenji Kirihara

Ryoichi Kawakami

Yoshikazu Nitta

Kouji Hashimoto

Naoaki Hirota

Toshikatsu Hasunuma

Yosuke Katsura

Kaori Nagai

Junichiro Kodama

Kazutoyo Sekine

Yasuhiro Hidejima

Taichi Nakamura

A plurality of resistance-imparting portions (A toE) are disposed adjacent to each other. A first contraction flow portion forming one of the resistance-imparting portions (A toE) adjacent to each other is in communication with an enlarged diameter portion forming another resistance-imparting portion. First contraction flow portions (AH toDH) forming the resistance-imparting portions (A toE) adjacent to each other are disposed at different positions in a direction in which an outer frame member () extends.

Flow path resistor and heat exchanger

An evaporator includes: a vessel having a refrigerant inlet for receiving a refrigerant at a lower part of the vessel, and a refrigerant outlet for discharging the refrigerant in an evaporated state at an upper part of the vessel; and a plurality of heat-transfer tubes disposed so as to extend inside the vessel along a longitudinal direction of the vessel, and configured to transfer heat received from a fluid flowing inside the heat-transfer tubes to the refrigerant flowing outside the heat-transfer tubes. The plurality of heat-transfer tubes are disposed so that at least one downward flow passage is defined through the plurality of heat-transfer tubes or around the plurality of heat-transfer tubes, the at least one downward flow passage having a width larger than a representative interval between the plurality of heat-transfer tubes. A representative interval between the plurality of heat-transfer tubes disposed on an upper side among the plurality of heat-transfer tubes is larger than a representative interval between the plurality of heat-transfer tubes disposed on a lower side among the plurality of heat-transfer tubes.

Evaporator and refrigerator

A particle diameter acquisition device includes an intensity distribution acquisition unit configured to acquire an intensity distribution of scattered light scattered from a multi-phase flow including dispersed phase at the time of irradiating the multi-phase flow with irradiation light, an attenuation gradient acquisition unit configured to acquire an attenuation gradient in the intensity distribution on the basis of the intensity distribution of the scattered light, a concentration acquisition unit configured to acquire a concentration of the dispersed phase in the multi-phase flow, a database configured to store intensity distribution data which is an intensity distribution of scattered light for each particle diameter and concentration of a dispersed phase, and a particle diameter acquisition unit configured to acquire a particle diameter of the dispersed phase on the basis of the acquired attenuation gradient, concentration, and intensity distribution data with reference to the intensity distribution data.

Particle diameter acquisition device, particle diameter acquisition system, and particle diameter acquisition method

This solid laser amplification device has: a laser medium part that has a solid medium, into which a laser light enters from an entrance part and from which the laser light (L) is emitted to the outside from an exit part, and an amplification layer, which is provided on the surface of the medium, receives the laser light in the medium, and amplifies and reflects said light toward the exit part; a microchannel cooling part that cools the amplification layer; and a thermally conductive part that is provided so as to make contact between the amplification layer and the cooling part and transfers the heat of the amplification layer to the cooling part.

Solid laser amplification device

A solid laser amplification device having a laser medium that has a solid medium, into which a laser light enters and from which the laser light is emitted, and an amplification layer, provided on the surface of the medium, receives the laser light in the medium, and amplifies and reflects the light toward the exit; and a microchannel cooling part that has a plurality of cooling pipelines, into which a cooling solvent is conducted and which are arranged parallel to the surface of the amplification layer, and a cooling surface, at the outer periphery of the cooling pipelines and attached on the surface of the amplification layer, the microchannel cooling part cooling the amplification layer. The closer the position of the cooling pipeline to a position facing a section of the amplification layer that receives the laser light, the greater the cooling force exhibited by the cooling part.

There is provided a large-sized reboiler that can achieve space saving and reduction in plant cost. Specifically, there is provided a large-sized reboiler comprising a vessel of which a liquid is supplied from a lower part and a vaporized gas is discharged from an upper part; and a heat transfer tube group arranged in such a manner that a void penetrating in the up-and-down direction is formed in the vessel, wherein a maximum length of a cross-sectional figure of a flow path for the liquid exceeds 2 m, and the void occupies 5 to 10% of an area of the cross-sectional figure of the flow path.

Reboiler with void within the heat transfer tube group

An autoclave () is one in which a heat application target molded material (W) is retained in shape by a retaining jig () which has a cavity () therein, and is heat-cured with high temperature gas. The autoclave is provided with: a pressure vessel () in the interior of which the molded material (W) is arranged; a high temperature gas supplying device () which supplies the high temperature gas to the molded material (W) within the pressure vessel (); and an auxiliary high temperature gas supplying device () which supplies the high temperature gas into the interior of the cavity ().

Autoclave and method for heat curing molded material

A laser-oscillation cooling device includes a laser excitation unit that excites a laser beam and locally emits heat, a storage tank that is capable of storing a cryogenic liquid at an atmospheric pressure and discharge the cryogenic liquid which is evaporated, a pressurization and supply unit that pressurizes the cryogenic liquid stored in the storage tank and supplies the pressurized cryogenic liquid to the laser excitation unit, and a decompression and return unit that decompresses the cryogenic liquid which is supplied to the laser excitation unit and used to cool the laser excitation unit and returns the cryogenic liquid to the storage tank.

Laser-oscillation cooling device

A steam generator having a heat transfer tube group formed of a plurality of U-shaped heat transfer tubes; an annular channel formed to cover the circumference of the heat transfer tube group; the annular channel having an opening that communicates with the heat transfer tube group; a water supply unit disposed at an upper portion of the annular channel and supplies water to a descending-side portion; a steam/water separator disposed above the heat transfer tube group; and an air bubble removing member for removing air bubbles provided in the annular channel.

Steam generator

In a multi-stage steam-water separation device and a steam-water separator, a first swirl vane () which causes a gas-liquid two-phase flow to rise while swirling is provided in a first riser () of a first steam-water separator (), and a second swirl vane () which causes the gas-liquid two-phase flow which has passed through the first swirl vane () to rise while swirling at a speed higher than that provided by the first swirl vane (), is provided in a second riser ().

Multi-stage steam-water separation device and steam-water separator

In a two-phase flow exciting force evaluation method of the present invention, the surface of one of a plurality of tube bodies () is at least partially formed from a conductive material, displacement or stress of the tube body () is measured in a state of being vibrated by a shaking device (), and a void fraction of a two-phase flow (F) flowing in the vicinity of the tube body () is measured based on the potential difference between an electric potential at a predetermined position on the surface of the tube body (), and a reference electric potential.

Two-phase flow exciting force evaluation method and device acting on a plurality of tube bodies arranged to intersect with the flow

An object is to prevent thermal fatigue, resulting from variations in temperature interfaces, of piping having a fluid-mixing region where fluids of different temperatures are mixed. Pipinghaving a fluid-mixing region M includes a reducerincluding an end portiondisposed substantially on a central axis of a main pipe. Low-temperature water flows through the reducerat a lower velocity than high-temperature water flowing outside the end portion. The low-temperature water and the high-temperature water have different temperatures. The low-temperature water and the high-temperature water are mixed in the fluid-mixing region M downstream of the reducer. The reducerhas a weld lineformed to connect the end portionand an elbow portiontogether. The distance between the weld lineand a downstream endis equal to or larger than the inner diameter D of the main pipe

Piping having fluid-mixing region

In a steam-water separator, a swirl vane () is provided inside a riser (), an annular downcomer space () is formed by providing a downcomer barrel () outside the riser (), a deck plate () is arranged above the riser () and the downcomer barrel () with a predetermined space therefrom, an orifice () and vents () are formed, and aperture ratios of plural slits (, and) formed on the riser () are set at from 30% to 70%. Accordingly, the steam and the water is appropriately separated, and the separated steam is reliably discharged upward from the orifice while the separated water is allowed to reliably flow down through the downcomer space, thereby enhancing steam-water separating efficiency.

Steam-water separator

In a steam-water separator, horizontal slits are formed on the outer side of the curving direction of the curved part and at a location between the curved part of the riser and the swirl vane.

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Tokyo, Japan

Yoshiyuki Kondo