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1. WO2006100814 - FLUIDIZED STATE OBSERVING DEVICE AND FLUIDIZED STATE OBSERVING METHOD

Publication Number WO/2006/100814
Publication Date 28.09.2006
International Application No. PCT/JP2005/024074
International Filing Date 28.12.2005
IPC
G01F 1/704 2006.01
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
704using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
G01P 5/20 2006.01
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK; INDICATING PRESENCE OR ABSENCE OF MOVEMENT;  INDICATING DIRECTION OF MOVEMENT 
5Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
18by measuring the time taken by the fluid to traverse a fixed distance
20using particles entrained by a fluid stream
CPC
G01F 1/661
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
66by measuring frequency, phaseshift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters
661using light
G01F 1/704
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
704using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
G01P 5/20
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
5Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
18by measuring the time taken to traverse a fixed distance
20using particles entrained by a fluid stream
G01S 17/58
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02Systems using the reflection of electromagnetic waves other than radio waves
50Systems of measurement based on relative movement of target
58Velocity or trajectory determination systems; Sense-of-movement determination systems
Applicants
  • オーム電機株式会社 OHM ELECTRIC Co., Ltd. [JP]/[JP] (AllExceptUS)
  • 岡▲崎▼ 忠雄 OKAZAKI, Tadao [JP]/[JP] (UsOnly)
Inventors
  • 岡▲崎▼ 忠雄 OKAZAKI, Tadao
Agents
  • 横井 俊之 YOKOI, Toshiyuki
Priority Data
2005-08378423.03.2005JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) FLUIDIZED STATE OBSERVING DEVICE AND FLUIDIZED STATE OBSERVING METHOD
(FR) DISPOSITIF ET PROCEDE D’OBSERVATION D’UN ETAT FLUIDISE
(JA) 流動状態観測装置および流動状態観測方法
Abstract
(EN)
When a fluid is allowed to pass through a translucent pipe line based on a fact that there is no uniform, scattering-light-free fluid that is not really homogenous and free from heterogenous particles and a laser beam is condensed on a axial core portion along a length direction within a specified range in a passing route, heterogenous particles in the axial core portion produces a scattering light to permit imaging by means of a CCD line sensor (42) and enable a spatial filter-based speed component to be computed after a specified computing, whereby it is possible to determine an average flow rate and a flow volume based on a fact that a laminar flow passes through the translucent pipe line (10).
(FR)
Selon la présente invention, lorsqu’un fluide peut passer à travers une canalisation translucide en se basant sur le fait qu’il n’existe pas de fluide uniforme exempt de diffusion de la lumière qui ne soit réellement homogène et dépourvu de particules hétérogènes et qu’un faisceau laser est condensé sur une partie de noyau axial le long du sens de la longueur dans une plage spécifiée dans une voie de passage, des particules hétérogènes dans la partie de noyau axial produisent une lumière de diffusion afin de permettre une formation d’image au moyen d’un capteur linéaire CCD (42) et permettent qu’une composante de vitesse basée sur un filtre spatial soit calculée après un calcul spécifié, moyennant quoi il est possible de déterminer un débit moyen et un volume d’écoulement sur la base du fait qu’un flux laminaire traverse la canalisation translucide (10).
(JA)
 均一で散乱光を生じそうにない流体であっても真に均質で異質粒子の存在しないものはないという現実に基づき、透光管路を通過させるとともに、通過経路における所定の範囲の軸芯部分に長さ方向にわたってレーザ光を集光させると、同軸芯部分における異質粒子によって散乱光が生じてCCDラインセンサ42により撮像が可能となり、所定の演算を施して空間フィルタを利用した速度成分を演算できるので、透光管路10内が層流であることに基づいて平均流速や流量を求めることが可能となった。
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