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Ruslan
Ruslan
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I have a suggestion for something it probably isn't. It probably isn't temperature driven changes in the Young's modulus of the material of the gong.

https://www.engineeringtoolbox.com/young-modulus-d_773.html

Young's modulus tells us the difficulty in bending a material. It's like the strength of a spring. So if you were able to raise the gong's temperature by 50 degrees F°F, you might lower it'sits Young's modulus by a few percent. This would correspondingly change the frequency at which the gong vibrated. Assuming it's brass or bronze or steel. This is likely something that would be audible to even a fairly non-specialist's ears. Even I might be able to hear the difference.

But striking the gong, especially lightly, isn't going to raise the temperature very much. Plus raising the temperature this way should lower the frequency as opposed to making it "brighter."

Heh. In undergrad one of our proffs did a demo. He had a bell, which he had gotten made at a local factory that was locally famous for making brass products. But his bell was made of lead. The factory folks told him it would sound terrible. And yes, at room temperature it sort of went "clunk." Not very nice. But at liquid nitrogen temperatures (about -320F320 °F) it sounded very different.

I have a suggestion for something it probably isn't. It probably isn't temperature driven changes in the Young's modulus of the material of the gong.

https://www.engineeringtoolbox.com/young-modulus-d_773.html

Young's modulus tells us the difficulty in bending a material. It's like the strength of a spring. So if you were able to raise the gong's temperature by 50 degrees F, you might lower it's Young's modulus by a few percent. This would correspondingly change the frequency at which the gong vibrated. Assuming it's brass or bronze or steel. This is likely something that would be audible to even a fairly non-specialist's ears. Even I might be able to hear the difference.

But striking the gong, especially lightly, isn't going to raise the temperature very much. Plus raising the temperature this way should lower the frequency as opposed to making it "brighter."

Heh. In undergrad one of our proffs did a demo. He had a bell, which he had gotten made at a local factory that was locally famous for making brass products. But his bell was made of lead. The factory folks told him it would sound terrible. And yes, at room temperature it sort of went "clunk." Not very nice. But at liquid nitrogen temperatures (about -320F) it sounded very different.

I have a suggestion for something it probably isn't. It probably isn't temperature driven changes in the Young's modulus of the material of the gong.

https://www.engineeringtoolbox.com/young-modulus-d_773.html

Young's modulus tells us the difficulty in bending a material. It's like the strength of a spring. So if you were able to raise the gong's temperature by 50 °F, you might lower its Young's modulus by a few percent. This would correspondingly change the frequency at which the gong vibrated. Assuming it's brass or bronze or steel. This is likely something that would be audible to even a fairly non-specialist's ears. Even I might be able to hear the difference.

But striking the gong, especially lightly, isn't going to raise the temperature very much. Plus raising the temperature this way should lower the frequency as opposed to making it "brighter."

Heh. In undergrad one of our proffs did a demo. He had a bell, which he had gotten made at a local factory that was locally famous for making brass products. But his bell was made of lead. The factory folks told him it would sound terrible. And yes, at room temperature it sort of went "clunk." Not very nice. But at liquid nitrogen temperatures (about -320 °F) it sounded very different.

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puppetsock
puppetsock
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I have a suggestion for something it probably isn't. It probably isn't temperature driven changes in the Young's modulus of the material of the gong.

https://www.engineeringtoolbox.com/young-modulus-d_773.html

Young's modulus tells us the difficulty in bending a material. It's like the strength of a spring. So if you were able to raise the gong's temperature by 50 degrees F, you might lower it's Young's modulus by a few percent. This would correspondingly change the frequency at which the gong vibrated. Assuming it's brass or bronze or steel. This is likely something that would be audible to even a fairly non-specialist's ears. Even I might be able to hear the difference.

But striking the gong, especially lightly, isn't going to raise the temperature very much. Plus raising the temperature this way should lower the frequency as opposed to making it "brighter."

Heh. In undergrad one of our proffs did a demo. He had a bell, which he had gotten made at a local factory that was locally famous for making brass products. But his bell was made of lead. The factory folks told him it would sound terrible. And yes, at room temperature it sort of went "clunk." Not very nice. But at liquid nitrogen temperatures (about -320F) it sounded very different.