: The researcher used controlled suspensions in both flowing and quasi-static states, measuring their acoustic properties across various frequency ranges, including the ultrasonic region (40–75 kHz) .
This paper is a research study on using acoustic techniques to measure particle concentrations in cylindrical tubes. Key details from the paper include: Moss.Book.II.part1.rar
: To explore ultrasonic and acoustic methods for measuring the mass concentration of solid fractions in suspensions, a problem that had not been fully resolved at the time of publication. : The researcher used controlled suspensions in both
The search result for "Moss.Book.II.part1.rar — useful paper" appears to refer to an academic thesis by (1993) titled " Acoustic measurements of flowing and quasi-static particulate suspensions ." Moss.Book.II.part1.rar