| Document |
Document Title |
|
JP09159570 |
To eliminate a large load which is generated in the initial stage of operation of an impact wind tunnel and is generated in a wind tunnel main body, a support device and a foundation bed by high speed travel of a piston, and eliminate ge...
|
|
JP09159571 |
To restrain the occurrence of a separation eddy and form a flow more approximate to the natural wind by using diaphragms having the prescribed relation (d/ln>1) regarding a ratio of breadth d to intervals ln of the diaphragms. A diaphrag...
|
|
JP09150443 |
To faithfully reproduce the shape of the flow path of a fluid by using a three-dimensional model by determining flow conductance of the fluid in a narrow width part of a cavity based on the thickness of the narrow width part and obtainin...
|
|
JP09145533 |
To perform an aerodynamic vibration test where the vibration characteristics are simulated while coupling a winged airplane and a rocket by supporting a machine body simulating a winged airplane, i.e., a rocket model simulating the shape...
|
|
JP09145536 |
To observe the behavior of fluid with high visibility at low cost by admixing phosphor particles into a liquid and irradiating the phosphor particles with ultraviolet rays to emit a light therefrom. A lubricant 1 in a bearing is admixed ...
|
|
JP09145535 |
To change a relative position of a mother frame and an object externally loaded blow a hull in a wind tunnel test apparatus for an airplane. A mother frame-supporting member 9 capable of supporting a mother frame 8 is mounted to a mother...
|
|
JP09145534 |
To provide a supersonic nozzle of an equal size to a conventional one wherein a boundary layer is reduced in thickness and an area occupied by a main stream part is enlarged. Gaps 10, 10 are formed at side walls 5, 6 in the vicinity of a...
|
|
JP09134119 |
To provide a device capable of reproducing an urban area model easily and in a short term without needs for special and technological skill in making the urban area model. This is a device to make an urban area model used for a wind tunn...
|
|
JP09133605 |
To obtain a supersonic flutter stopping apparatus by which a flutter is stopped immediately so as to respond to the generation of the flutter at high speed and which can prevent an object to be tested from being damaged in the wind tunne...
|
|
JP09126944 |
To control the inner and outer pressures without leaking air to the outside. Ventilation holes 30 are formed at a downstream tunnel 16 connected to the downstream side of a measurement tunnel and a collecting duct 44 which is extended in...
|
|
JP09128467 |
To estimate the generating area of wind around building with ease and in a short time. A data base 6 holds position data expressing a position where a wind of higher speed than an original wind is generated near a building when a wind is...
|
|
JP09126945 |
To easily and rapidly exchange a nozzle and to eliminate the need for an additional space. A plurality of nozzles 32 which differ for every Mach number are mounted as a nozzle bundle 33 and can be exchanged between a rectification cylind...
|
|
JP09113407 |
To obtain an attenuation apparatus by which the attenuation of a structure is generated easily and by which the attenuation can be changed by providing a metallic damper fin in which electromagnetic coils are installed so as to protrude ...
|
|
JP09113405 |
To generate an air flow closer to actual wind which varies a direction. The wind direction varying unit 10 comprises a wind direction varying plate 12 having oval plan view disposed in a wind tunnel 2 in order to impede the air flow, a b...
|
|
JP09113404 |
To obtain a breeze-velocity control apparatus by which a bad influence generated in the measuring part of a wind tunnel is excluded and by which a prescribed breeze-velocity environment can be formed in the measuring part by a method whe...
|
|
JP09113406 |
To obtain a preferable wall surface shape corresponding to regulated Mach number through a simple structure. The nozzle comprises a rotary wall 16, and a flexible wall 18 secured thereto. Mach number is regulated along with the shape of ...
|
|
JP09105706 |
To provide a six-axis load device by which a load of six degrees of freedom can be applied to a test piece and the weight and the center of gravity of the test piece can be easily measured. A fixed plate 3 and a movable plate 2, in each ...
|
|
JP09101325 |
To prevent breakage of an anemometer during the measurement for correction in a wind tunnel. A holding member 22 which is a circular plate is arranged above a turntable 9 with an interval between the member and the turntable 9 and mounte...
|
|
JP09101233 |
To reduce the cost of test work while preventing the miss of manual measurement, operation or maintenance by automating the performance test of fan. A suction damper 2 is set at each opening during operation of a fan 9 and the points 1-5...
|
|
JP09096584 |
To make it possible to calculate the maximum value of the unit-time average concentration of a tracer gas simply by dividing the fluctuation range of the wind direction in the direction of a main airflow, obtaining the unit-time average-...
|
|
JP09089725 |
To provide the simulated testing equipment for a high-altitude environ ment, which can decrease the number of mounted exhauters and cut down the cost of the equipment. A high-altitude environment testing chamber 1, a blower 4, which take...
|
|
JP09089712 |
To execute the analyzing of phase change of melting and solidifying as well as analyzing of an air current distribution or a temperature distribution by a method wherein the calculation of a sensible heat of an objective fluid is execute...
|
|
JP09090034 |
To provide a Doppler measuring instrument for measuring wind speed which can measure the speed of a wind without giving any noise pollution to the circumference and can also measure the vertical or horizontal fluctuation of the wind spee...
|
|
JP09079899 |
To show the error in a fluid analysis with a quantitative value. A virtual substance advection calculating means 3 makes a advection calculation for the case that a virtual substance substantially having the diffusion coefficient 0 is mi...
|
|
JP09079937 |
To provide a free-piston type shock wind tunnel device using shock tube parts composed of a metallic material having a high melting point, high toughness, and a high strength, a method for manufacturing the tunnel device, and a shock tub...
|
|
JP09079938 |
To make longer the duration of a high-speed flow which is generated by breaking the diaphragm of a shock tube. A high-pressure chamber added type shock tube in which a high- pressure chamber 14 filled with helium as a driving gas, an int...
|
|
JP09072822 |
To obtain a wind tunnel testing apparatus by which a model can be held safely and surely, by which nature can be simulated with fidelity and by which a measurement can be peroformed with high accuracy and with high efficiency by a config...
|
|
JP09068476 |
To prevent production of secondary air current such that laminar flow directing longitudinally of a measuring shell may be agitated. In a temperature lamination air duct provided with a measuring shell 32 having a floor temperature regul...
|
|
JP09061307 |
To make the building for a testing device one-story, miniaturize the air conditioning apparatus and air duct for the testing device, thereby, reduce the building cost and facility cost. Rollers 6 are stored in a pit 3 in a building 1, wh...
|
|
JP09061287 |
To fluctuate the wind direction on a main air flow over a wide range in a wind tunnel. Numerous openings 10a, 10b are placed on both side walls 2a, 2b constituting a measurement chamber 1 of a wind path 4 of a wind tunnel, wherein air fl...
|
|
JP09061288 |
To provide a wind tunnel balance wherein the response of a balance output can be secured, the balance is highly rigid, vibration output waveforms with multiple frequencies can be obtained, and highly accurate data can be obtained even wi...
|
|
JP09061289 |
To provide a temperature control model which can be easily and inexpensively manufactured wherein surface temperature can be uniformly controlled. A temperature control model 12 placed inside a measurement tunnel 1 of a thermal stratific...
|
|
JP09054010 |
To improve the measurement precision of hydrodynamic characteristics of a sample body and at the same time, make it easy to carry out the setting work for an initially supported state, e.g. the position, the posture, etc., of the sample ...
|
|
JP09054009 |
To provide an apparatus for generating turbulent flow in a wind tunnel, which makes adjustable the intensity of turbulence of the air flow in the wind tunnel while keeping the gradient of velocity in the height direction of the air flow....
|
|
JP09033384 |
To provide a method for evaluating chimney form in which the maximum ground level concentration of smoke from a chimney having a form requiring an evaluation can be quantitatively determined and evaluated in the absolute value of concent...
|
|
JP09033385 |
To provide a traverse device which is excellent in flexibility, inexpensive, and can precisely measure the physical quantity relating to gas. This device has a carrier 11 for holding a measuring means 3 for physical quantity measurement ...
|
|
JP09021721 |
To increase the pressure in a wind tunnel and increase the Reynolds number. The blow-off type supersonic wind tunnel facility for blowing a high pressure air stored in a high pressure air storage tank 1 into a wind tunnel 3 from one end ...
|
|
JP09017571 |
PURPOSE: To provide a heater for an arc heating wind tunnel which can absorb part of heat lost by cooling with a cooling medium by an operating fluid and can improve in thermal efficiency. CONSTITUTION: A circular annular small diametric...
|
|
JP09015087 |
PURPOSE: To obtain an economical circulation wind tunnel for reproducing wide area air current in which temperature distribution and Colioris force can be reproduced simultaneously at a low cost. CONSTITUTION: A large rectangular paralle...
|
|
JP2597255 |
PURPOSE: To allow an unskilled person to realize high-safety heating control and prevent a lattice and a heater itself from being damaged at the time of reheating when the temperature distribution in the vertical direction of the heater ...
|
|
JP2598725 |
PURPOSE: To calculate the center of gravity with high accuracy by emphasizing the density of an image and clearing the contour thereof by calculating the difference between the two-dimensional averaged image of the original image and the...
|
|
JP09003647 |
PURPOSE: To provide thermal stress relaxation type coated heat resistant structure parts by relaxing the thermal stress in the heat resistant coating layer in which temp. distribution is formed so that it is higher in percentage in a cro...
|
|
JP08334432 |
PURPOSE: To provide a free-piston-type impact wind tunnel device and manufacture thereof, and the nozzle throat thereof in which a high-durability heat resisting nozzle throat of a thermal stress relieving type that is excellent in heat ...
|
|
JP08320272 |
PURPOSE: To dispense with a space for shooting a shuttle cock and easily inspect and judge the flight and speed of the shuttle cock by putting the shuttle cock into the upper part in a wind tunnel, carrying an air layer flow from the ver...
|
|
JP08313393 |
PURPOSE: To freely generate even large bubbles. CONSTITUTION: A solenoid valve 25 is operated to feed gas from a gas supply source 24 to a bubble generating nozzle 18. Bubbles of diameter dimension to be obtained are thereby generated fr...
|
|
JP08313392 |
PURPOSE: To connect a compression pipe and a shock tube easily and make the fastening force constant. CONSTITUTION: When nut drive mechanism 2 rotatory-moves a large-sized nut 1 on a compression pipe 11, the compression pipe 11 and a sho...
|
|
JP08313389 |
PURPOSE: To obtain wind spreading laterally in the same way as natural wind. CONSTITUTION: When an oscillating driver 45 is driven by sending a control command 46 to the oscillating driver 45 from an arithmetic and control unit 47, each ...
|
|
JP08313390 |
PURPOSE: To provide a movable wind tunnel that can be moved into a place ideal for a wind tunnel test. CONSTITUTION: A movable wind tunnel consists of a wind tunnel 1; a truck 22 provided with a base plate 23 for installing the wind tunn...
|
|
JP08313391 |
PURPOSE: To make the reproducibility of membrane rupture pressure and an air current excellent and make the setting of membrane rupture pressure possible by providing the center part of a diaphragm of constant thickness with a groove wit...
|
|
JP08313388 |
PURPOSE: To fly a test model freely in a wind tunnel and measure flying motion characteristics. CONSTITUTION: A wind tunnel test device consists of a model tracking device composed of an X-truck 17 traveling longitudinally in a wind tunn...
|
