Experimental Design of Vessel Volume Measurement Based on Helmholtz Resonance

A method for measuring the volume of small containers by using the dynamic analysis of air columns is presented based on the Helmholtz resonance principle. The experiment is designed using smartphone hardware and Phyphox software. The experiment is divided into three parts: verifying the sound speed C, measuring the volume of an empty container, and measuring the volume of a container after guantitative water injection. The comparison between theoretical calculation results and experimental measurement results shows that the method is with strong sense of a simple operation flow, high measurement accuracy, and considerable potential for application. A method for measuring the volume of small containers is found, which can serve as a resource for students to conduct independent inquiry-based experiments and innovation training.