数字化用户
數字化用戶
수자화용호
ShuZiHua YongHu
2014年
8期
87-87
,共1页
气液两相流%气泡特征%数字图像处理%三维测量
氣液兩相流%氣泡特徵%數字圖像處理%三維測量
기액량상류%기포특정%수자도상처리%삼유측량
gas-liquid two-phase%flow digital image processing-dimensional coordinate%features%velocity and size
文在总结分析气液两相流参数检测发展、数字图像处理技术、数学形态学、二维数字式粒子图像测速技术以及相机各种标定方法后，对透明垂直立方水槽中的单个或两个气泡的特征进行研究。并且通过测量空间距离误差对相机标定的结果进行了验证，通过气泡的质心坐标和相机标定模型计算出气泡的三维测量坐标，再根据两气泡之间的时间间隔计算出气泡的速度矢量。
文在總結分析氣液兩相流參數檢測髮展、數字圖像處理技術、數學形態學、二維數字式粒子圖像測速技術以及相機各種標定方法後，對透明垂直立方水槽中的單箇或兩箇氣泡的特徵進行研究。併且通過測量空間距離誤差對相機標定的結果進行瞭驗證，通過氣泡的質心坐標和相機標定模型計算齣氣泡的三維測量坐標，再根據兩氣泡之間的時間間隔計算齣氣泡的速度矢量。
문재총결분석기액량상류삼수검측발전、수자도상처리기술、수학형태학、이유수자식입자도상측속기술이급상궤각충표정방법후，대투명수직립방수조중적단개혹량개기포적특정진행연구。병차통과측량공간거리오차대상궤표정적결과진행료험증，통과기포적질심좌표화상궤표정모형계산출기포적삼유측량좌표，재근거량기포지간적시간간격계산출기포적속도시량。
Ab:Based on the summary analysis of the development of detection of the parameters on Gas-liquid two phase flow,Digital image processing technology,Mathematical morphology,two-dimensional digital particle image velocimetry,varieties of calibration based on camera.This article studied the characteristics of the single or two bubbles in transparent vertical cubic tank.. And we gived the basic steps of calibration algorithm.According to Tsai two-step calibration the calibration of the CCD camera, space impact of measurement error on the camera calibration results were validated, combined with bubble centroid coordinates and camera calibration model bubbles in space coordinates in the coordinate system, next time we're on the bubble images calculated velocity vectors and size of the bubbles.
