摘要:
Provided is a rotary machine capable of increasing cooling efficiency while preventing an increase in the weight and cost of a rotor even in a case where the diameter of the rotor is increased. A rotary machine including a rotor which is rotatable around a rotational axis, and a cooling device, wherein the rotor includes: a hollow cooling medium flow section provided in a center portion of the rotor in a radial direction and extending along the rotational axis; and a cooling target provided outward of the cooling medium flow section in the radial direction, and the rotary machine comprises a stationary section pipe which introduces a liquid phase cooling medium generated by cooling in the cooling device into the cooling medium flow section, and returns a gas phase cooling medium present in an inside of the cooling medium flow section from the cooling medium flow section toward the cooling device, the rotor including: a leading passage which leads the liquid phase cooling medium to a region which is in the vicinity of the cooling target through a first opening formed in a side surface of the cooling medium flow section, the side surface extending along the rotational axis; and a return passage which returns the gas phase cooling medium to the inside of the cooling medium flow section, the gas phase cooling medium being generated by evaporation of the liquid phase cooling medium in the region which is in the vicinity of the cooling target, by heat exchange between the liquid phase cooling medium and the cooling target.
摘要:
There is provided a highly versatile center-of-gravity detecting system which can accurately detect the center of gravity of not only a container cargo vehicle but also various detection objects. It has a placement board for placing a detection object thereon; springs for supporting the placement board with an elastic force; an acceleration sensor for detecting a reciprocating motion of the detection object in an up-down direction; an angular velocity sensor for detecting a simple pendulum motion of the detection object around a roll direction oscillation central axis; and an X-axis restriction guide part for restricting a movement of the placement board in an X-axis direction, a data processing apparatus calculating a center-of-gravity height in the up-down direction from the roll direction oscillation central axis to the center of gravity of the detection object on the basis of the detection results by the acceleration sensor and the angular velocity sensor.
摘要:
A center-of-gravity detecting system (100) includes a motion detector (14) for detecting a vertical motion of a travelling object in a self-weight direction during travel and a horizontal motion of the travelling object in a widthwise direction during travel, and an arithmetic unit (15). The arithmetic unit (15) calculates a center-of-gravity location of the travelling object in the self-weight direction in a cross-section perpendicular to the travel direction of the travelling object and a center-of-gravity location of the travelling object in the widthwise direction in the cross-section perpendicular to the travel direction, using the frequency of a vertical motion of the travelling object in the self-weight direction, a frequency of the horizontal motion of the travelling object in the widthwise direction, a central angle of the horizontal motion of the travelling object in the widthwise direction, and the width of the traveling object. The arithmetic unit (15) calculates a center-of-gravity location of the travelling object in the travel direction, using the frequency of the vertical motion of the travelling object in the self-weight direction, a frequency of the horizontal motion of the travelling object in the travel direction, the center-of-gravity location of the travelling object in the self-weight direction, and the length of the travelling object in the travel direction.
摘要:
An inclination angle calculation device (100) comprises a motion detector (14) for detecting motions of a traveling object during travel, in two directions included in a cross-section surface of the traveling object, the two directions being orthogonal with each other; and an arithmetic unit (15) for calculating an inclination angle of the traveling object during travel in the cross-section surface, using a frequency of the motion in one of the two directions and a rolling frequency in the other direction of the two directions.
摘要:
Disclosed are: a pharmaceutical and a method capable of preventing and treating VHSV infection; a method for removing VHSV from a particular water area; and a method and a kit for simply detecting VHSV with high sensitivity. Specifically disclosed are: a VHSV-binding aptamer having the activity of binding to VHSV and/or a polypeptide expressed in the virus and suppressing the VHSV infection of a host; and a method for detecting VHSV and/or a polypeptide expressed in the virus, using the VHSV-binding aptamer.
摘要:
The present invention provides a superconductive rotating electric machine drive control system that has higher efficiency and is smaller size and lighter in weight than conventional systems, and also provides a superconductive rotating electric machine drive control method to be implemented in the superconductive rotating electric machine drive control system. By the superconductive rotating electric machine drive control system and the superconductive rotating electric machine drive control method in accordance with the present invention, a control operation is performed so that the field current I f2 applied to the superconductive field winding of the synchronous rotating electric machine satisfies the following equation (11) in accordance with the variation of the electric power exchanged between the synchronous rotating electric machine and the power unit: I f 2 = E 2 / k 4 n 2 v = V t cos θ - r 2 I 2 + V t sin θ - x 2 I 2 / k 4 n 2 v where I f2 represents the field current applied to the superconductive field winding the synchronous rotating electric machine, I represents the line current, E 2 represents the induced electromotive force of the synchronous rotating electric machine, V t represents the terminal voltage, k 4 represents the constant, n 2 represents the number of winding wires in the superconductive field winding, ν represents the flotation speed of the synchronous rotating electric machine, θ represents the power factor angle, r 2 represents the resistance of the synchronous rotating electric machine, and χ 2 represent the reactance of the synchronous rotating electric machine.
摘要翻译:本发明提供了一种超导旋转电机驱动控制系统那样具有较高的效率和在重量上比常规系统更小的尺寸,更轻的,并因此提供一个超导旋转到在超导旋转电机驱动控制来实现的电动机驱动控制方法 系统,通过超导旋转电机驱动控制系统和超导旋转在雅舞蹈电机驱动控制方法本发明,一个控制手术被执行以做的励磁电流I F2施加到超导磁场绕组同步旋转电机的 机SATIS外资企业在雅舞蹈下面的等式(11)与同步旋转电机和动力单元之间交换的电力的变化:I F¢2 = E 2 / K 4¢N 2¢V = V吨 COS¸ - R 2¢I 2 + V吨¢¢罪¸ - ¢×2 I 2 / K 4¢ñ 2¢v,其中我F2 darstellt施加到超导励磁绕组的同步旋转电机的励磁电流,我darstellt线电流,E 2 darstellt的同步旋转电机的感应电动势,Vt的darstellt的端子电压, K 4表示的常数,n 2表示在超导励磁绕组的电线绕组的数量,½darstellt的同步旋转电机的浮选速度,¸表示功率因数角,R 2表示的同步旋转电机的电阻 和C 2之间表示同步旋转电机的电抗。
摘要:
Provided is a navigation assistance device capable of obtaining an obstacle zone by target in consideration of an allowance. A navigation assistance device for obtaining an obstacle zone by target from a relationship between an own ship and a target ship includes a margin acquisition unit that acquires a margin indicating the degree of allowance, and an arithmetic unit that obtains a margin position which is a position separated from at least any of the bow or stem of the target ship in a target occupied space set with reference to the position of the target ship by a distance determined according to the margin, obtains a collision course based on a position determined according to the motion vector of the target ship with reference to the margin position, and calculates the obstacle zone by target based on the obtained collision course.
摘要:
A lateral rollover risk warning device can report vehicle rollover risk in real time during traveling with no need for inputting radius of a curved path in advance. It includes a first acceleration sensor detecting an external force applied in up-down direction of a vehicle body; an angular velocity sensor detecting a rotation around vehicle axis of vehicle body; and a second acceleration sensor detecting an external force in right-left direction of vehicle body, with an arithmetic part using detection results given by first acceleration sensor and angular velocity sensor to calculate a limit index of vehicle being led to a rollover, and using detection result given by second acceleration sensor to calculate a comparative index to be compared with limit index in real time; and a reporting part using limit index and comparative index to report lateral rollover risk warning information telling the rollover risk.
摘要:
Provided is a lateral rollover limit detection system which can determine the lateral rollover danger of a structure for which the weight or the weight distribution has not been clarified. A placement board, springs, and detection object are provided as a structure in which the placement board is supported with springs on both sides of an oscillation central axis with an acceleration sensor for detecting the reciprocating motion in an up-down direction of the placement board, and an arithmetic part which, on the basis of the inclination angle of the placement board in a direction of rotation around the oscillation central axis with respect to the horizontal plane in a standstill state of the detection object and the detection result by the acceleration sensor, calculates a limit center-of-gravity height beyond which the detection object is rolled over for a center-of-gravity location on the placement board of the structure being provided.