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AI InsightIn conclusion, smoother, thinner and softer surfaces supply lower LPT values in both “frictional movement” and “waving movement” sounds.
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Özet
Fabric sound is comprised as fabric handle property such as fabric softness, stiffness and drape. As the previous studies were reviewed, it could be seen that, in general different sound generation systems were used in which the fabric was pulled in a constant velocity. In these measurement systems, a fabric sample was rubbed against the face of another fabric sample and the friction occurred face to face. However, in some actions, friction is not always face to face. There are several different movements (such as jogging) and friction types in which the physical properties such as friction, roughness, shear, and bending stiffness act important role on fabric sound. In order to imitate all these situations, “waving movement sound” was designed. In addition to this, “frictional movement sound” was also defined and used to compare waving movement sound with the common (caused by face to face friction) frictional sound. The aim of this study is to investigate the sound generation properties of the fabrics under the influence of different frictions and movements. For this purpose, three different commonly used woven fabrics and three military windcheater fabrics were used and “Level Pressure of Total Sound (LPT)” values of these were measured during “frictional movement” and “waving movement”. According to the results, since frictional movement created higher friction force, LPT values of the frictional movement was found higher than the LPT values of waving movement. Higher bending rigidity and higher kinetic friction coefficient (µ) values increase frictional sound. In conclusion, smoother, thinner and softer surfaces supply lower LPT values in both “frictional movement” and “waving movement” sounds.
Abstract
Fabric sound is comprised as fabric handle property such as fabric softness, stiffness and drape. As the previous studies were reviewed, it could be seen that, in general different sound generation systems were used in which the fabric was pulled in a constant velocity. In these measurement systems, a fabric sample was rubbed against the face of another fabric sample and the friction occurred face to face. However, in some actions, friction is not always face to face. There are several different movements (such as jogging) and friction types in which the physical properties such as friction, roughness, shear, and bending stiffness act important role on fabric sound. In order to imitate all these situations, “waving movement sound” was designed. In addition to this, “frictional movement sound” was also defined and used to compare waving movement sound with the common (caused by face to face friction) frictional sound. The aim of this study is to investigate the sound generation properties of the fabrics under the influence of different frictions and movements. For this purpose, three different commonly used woven fabrics and three military windcheater fabrics were used and “Level Pressure of Total Sound (LPT)” values of these were measured during “frictional movement” and “waving movement”. According to the results, since frictional movement created higher friction force, LPT values of the frictional movement was found higher than the LPT values of waving movement. Higher bending rigidity and higher kinetic friction coefficient (µ) values increase frictional sound. In conclusion, smoother, thinner and softer surfaces supply lower LPT values in both “frictional movement” and “waving movement” sounds.