Speed Of Sound In Vulcanized Rubber

The density of a medium is the second factor that affects the speed of sound.

Speed of sound in vulcanized rubber.

Follow report by priyanshuraj90 17 11 2018 log in to add a comment. While not negligible this is not a strong dependence. For vulcanized rubber the young s modulus y 2 8 10 n m and the density around 920 kg m. So speed of sound 55 1 m sec.

Frequency f 440 hz wave speed v 350 m s unknown. Liquids liquids temperature c density kg m 3 adiabatic bulk modulus pa ratio of specific heats speed of sound m sec water fresh 20 998 2 18 10 9 1 004 1481 water sea 13 1026 2 28 10 9 1 01 1500 mercury 20 13 600 25 3 10 9 1 13 1450 table 3. So the pressure changes in it due to sound waves are not much. So it is reasonable that the speed of sound in air and other gases should depend on the square root of temperature.

If the speed of sound is known to be 350 m s what is the wavelength of this note. At 0 oc the speed of sound is 331 m s whereas at 20 oc it is 343 m s less than a 4 increase. While the density of a medium also affects the speed of sound the elastic properties have a greater influence on the wave speed. Solid speed of sound m sec granite 6000 vulcanized rubber at 0 c 54 table 2.

One of the earliest industrial developments was the use of natural soft rubber poly cis isoprene in the early 1800s. Pratima bajpai in biermann s handbook of pulp and paper third edition 2018. Write the equation for wave speed and rearrange it to solve for. Wavelength λ.

The silicone rubber doped with yb2o3 powder showed a sound speed of 0 88 km s an acoustic impedance of 1 35 x 10 6 kg m2s an acoustic attenuation of 0 93 db mmmhz and a shore a hardness of 55. List the given and unknown values. As a result sound waves travel faster in solids than in liquids and faster in liquids than in gasses. The development of the vulcanization process reaction of the carbon double bonds with sulfur to form cross linked chains by goodyear in 1839 led to hard rubber.

Wave speed the musical note a above middle c has a frequency of 440 hz.