scientific instrumentation
纹影法
Schlieren methodAn optical method used to visualize density gradients in transparent media, typically used to visualize flow fields such as thermal jets. / 一种用于可视化透明介质中密度梯度的光学方法，通常用于可视化热射流等流场。
- Knowledge type
- 工艺技术
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-11 16:05:41
Sub-knowledge points
Optical path difference detectionDensity gradient visualizationFlow field analysis
Higher-order knowledge points
Optical diagnosticsFluid mechanics visualization
Main parameters and performance indicators
light source: typically a point source or collimated lightknife-edge: used to block light rays refracted by density gradientscamera: records the shadowgraph image
Open problems
No unresolved problem recorded yet
Related literature
ranked by community starsVelocity reconstruction method of thermal jet flows based on the schlieren method and the cross-correlation optical flow methodOpen source
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Creation and modification trail
1 recordsRecord title: Schlieren method.
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