In a groundbreaking study, researchers have unveiled a novel method for controlling the thickness of liquid layers in ultrasonic spraying, a technology poised to revolutionize various industries, including construction. This innovative approach, led by Vladimir N. Khmelev, addresses a critical challenge in achieving consistent aerosol quality and productivity in the spraying process.
Ultrasonic spraying is gaining traction due to its minimal energy consumption and the ability to produce fine droplets without relying on pressurized gas. However, maintaining optimal spraying conditions has long been a hurdle for widespread adoption. Khmelev and his team have made significant strides in overcoming this barrier by developing a method to monitor and regulate the liquid layer thickness on the surface of the atomizer. “By measuring changes in the resonant frequency of the piezoelectric transducer, we can effectively control the thickness of the liquid layer, ensuring a more uniform aerosol formation,” Khmelev explained.
The implications of this research are profound for the construction sector. Enhanced control over spray parameters can lead to improved application techniques for various materials, such as coatings and adhesives, which are critical in construction projects. The ability to produce a consistent droplet size means that materials can be applied more evenly, reducing waste and improving the overall quality of finishes. This could translate into significant cost savings and higher efficiency on job sites.
Khmelev’s method stands out for its precision; within the operational range of liquid thickness, the resonant frequency can vary by as much as 100 Hz. With a measurement accuracy of 1 Hz, the resulting layer thickness can be determined with an impressive accuracy of 2%. This level of control is unprecedented in the field and could lead to automatic systems that maintain optimal spraying conditions in real time.
The research not only opens new avenues for improving existing ultrasonic spraying technologies but also sets the stage for future developments. As industries increasingly seek sustainable and efficient solutions, the ability to fine-tune aerosol applications could lead to innovations in material science and application techniques, further pushing the boundaries of what is possible in construction and beyond.
This pivotal study was published in the journal ‘Izvestiya Tomsk Polytechnic University: Engineering of Georesources’, which translates to ‘News of Tomsk Polytechnic University: Engineering of Georesources’. For more information about Vladimir N. Khmelev’s work, interested readers can visit lead_author_affiliation.
