Flow measurement in rotating systems is difficult due to the need for compact, integrated devices that can operate on the rotating frame. Traditional methods are bulky, expensive, and unable to perform in situ measurements during rotation.
The above images are sample images at different elevations acquired by the co-rotating camera in the proposed invention.
The invention presents an integrated, compact, and non-intrusive device for in situ flow measurements in rotating systems. It comprises a rotating platform with a fluid container, a stepper motor, a lead screw mechanism for vertical adjustment, a laser for plane illumination, and a camera for imaging. The device allows height adjustments without stopping rotation, and it communicates with a stationary platform via a wireless network.
- Fabrication of patterned Ti compounds on Si substrates.
- Eight-step process including RCA cleaning, deposition, lithography, and annealing.
- Formation of three-dimensional grid structures optimized for broadband absorption.
- CMOS compatibility and biocompatibility.
- Hydrophobic surface providing self-cleaning properties.
- Reduces surface reflections and enhances absorption from UV to mid-wavelength IR (200-3300 nm).
- Achieves average reflectance below 25% and average absorbance of 60% across the specified range.
- Enhanced hydrophobicity enabling self-cleaning.
- Cost-effective and time-efficient compared to other methods like DRIE or electron beam lithography.
- Integrated and compact design.
- In situ measurements during rotation.
- Cost-effective compared to traditional methods.
- Height adjustable light sheet for varying elevation measurements.
- Wireless control and communication.
- Real-time, precise control via Arduino Uno.
The prototype involves Si samples modified through an eight-step fabrication process to create patterned Ti compounds. These prototypes are tested for reflectance, absorbance, and hydrophobicity, ensuring they meet the desired optical and surface properties.
No progress has been made on this patent yet, and no outreach has been conducted for industry testing, licensing, or commercialization.
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The technology can significantly improve the efficiency of solar cells, enhance imaging and sensing devices, and provide better biocompatible surfaces for medical applications, thereby contributing to advancements in renewable energy, healthcare, and scientific research.
Fluid Dynamics Research, Aerospace Engineering, Mechanical Engineering, Industrial Processing and Chemical Engineering
- Photovoltaics
- Optoelectronics
- Healthcare
- Space research
- Any industry requiring surfaces with low reflectance and high absorption across a broad spectral range.
201821016272
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