Is the glass reflecting sound?Yes, glass reflected sound. Sound travels in the form of waves. When it encounters objects such as glass, it will produce reflections, refraction, transmission, and other phenomena. When sound waves hit the surface of the glass, most of the sound waves were reflected back due to the density and surface characteristics of the glass. This was also the principle of glass sound insulation. Moreover, the thickness and quality of the glass would vary, and the sound insulation would also change.
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Glass reflects soundThe surface of the glass was relatively smooth. When the sound encountered the glass during the transmission process, a part of the sound wave would be reflected back by the glass. This was because the smooth surface of the glass made it better at reflecting sound. Moreover, the magnitude of the reflected sound energy was proportional to the distance from the glass (obstacle). That is, the farther the sound source was from the glass, the greater the reflected sound energy. In addition, the glass could reflect sound to achieve a better sound insulation effect. When the sound traveled to the glass, the sound transmitted was relatively small, but the glass could also transmit sound. For different types of noise, such as glued glass or hollow glass, it is mainly used to isolate the low-frequency noise transmitted by the outdoor air, but it cannot fully isolate the low-frequency vibration sound waves that are transmitted through the structure and reflected by the equipment in the building.
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What are the effects of glass on sound reflection?The effect of glass on sound reflection was mainly related to the following factors:
1. ** The smoothness of the glass **: The smoother the glass surface, the stronger the reflected sound, especially the high-frequency sound. For example, the double-layered soundproof glass had a smooth surface. Although the soundproof effect was good, it had almost no sound absorption effect and had a strong reflective ability.
2. ** Glass thickness **: Glass of different thickness will reflect different frequencies of sound differently. For example, 4mm thick glass is almost transparent to sound in the high frequency range of 3500 Hertz (weak reflection); 6mm thick glass has poor sound insulation for frequencies around 2000 Hertz (meaning strong reflection); 10mm thick glass does not perform well at 1300 Hertz (strong reflection); 25mm thick glass has no obvious weakness.
3. ** Glass structure type **:
- ** Lined glass and single-piece glass **: Lined glass can reduce the transmission of sound more than single-piece glass of the same quality, which means that the single-piece glass may have a stronger reflection of sound than the glued glass. For example, 2+ 2mm glass was more resistant to high-frequency sound than 4mm glass (it could reduce an additional 8 to 10 decibels), indicating that 4mm glass was more reflective of high-frequency sound.
- ** Hollow glass **: Increasing the thickness of the hollow layer in a small range has no significant effect on sound insulation (reflection is also a part of sound insulation). For example, if the hollow glass with a hollow layer thickness of 10mm is compared with the hollow glass with a hollow layer thickness of 20mm, there is basically no difference in sound insulation performance, that is, the reflective ability is not much different. Moreover, the performance of the hollow glass in the low frequency band may be poor (the reflective ability may be strong). For example, the sound insulation effect of the 6+ 12A +6mm hollow glass is generally better than that of the 6mm single-piece glass, but the difference is only 2 or 3dBm, and the performance of the hollow glass in the low frequency band may be poor (the reflective ability may be strong).
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Looking for candy in the hottest glassHere are some recommendations for novels that have the feeling of " looking for candy in glass shards ":
- " It Ends With Us ": This is a novel with a B.E. aesthetic. There are sweet plots of probing, ambiguity, and pulling in the early stages, but the ending is terrible and full of uneasiness. The female protagonist, Lily, fell in love with the surgeon, Lyle, after escaping from her native family. In the process, she encountered many crises. Although she was successful, Lyle's harmful behavior in marriage made the female protagonist fall into fear again.
- The Devil's Body Tempering: The male protagonist experienced hardships, but fortunately, the female protagonist saved him. It was a novel that made people feel mixed emotions.
- " Minister's Wife ": An ancient novel with a hint of sweetness in the midst of abuse. The plot is the story between the second marriage of a minister's wife and the infatuated emperor.
- The literature of the Republic of China, such as " Azhi, Azhi,"" Dream of Ten Miles of the Foreign Field,"" Twelve Years, Old Friends Play,"" Golden Powder Beauty,"" Sea Pavilion," etc., had a good reputation, but it might have the feeling of " looking for sugar in glass shards." For example," Twelve Years, Old Friends Play " had love and hatred between countries and families. Although the male and female protagonists in " Golden Dust Beauty " might not be likable, they showed the real-life love and marriage.
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Hay what chapter dose looking glass start at