10.64 The explosion of 23 kg of TNT creates a sound level of 200 dB SPL a distance3m away from the detonation. Assume the total acoustic energy produced in suchexplosions is proportional to the mass of the TNT:(a) How far away must you be to avoid the threshold of pain from a blast from 100kgof TNT?(b) What fraction of the energy released from the detonation is in the form of acousticenergy over the hemispherical release region? Assume the blast is 50 ms long and aton of TNT releases 4.18 × 10º J.(c) It has been reported that 1 ton of TNT produces 120 dB SPL at 15km. Is thisconsistent with the data given in this problem?

According to sodovsky formula for blast wwave from TNT explosion can be written as ∆P1 =0.81+3√…

Answered: onation. Assume the total acoustic er…

Engineering

Mechanical Engineering

onation. Assume the total acoustic er nal to the mass of the TNT:

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.

Question

10.64 The explosion of 23 kg of TNT creates a sound level of 200 dB SPL a distance
3m away from the detonation. Assume the total acoustic energy produced in such
explosions is proportional to the mass of the TNT:
(a) How far away must you be to avoid the threshold of pain from a blast from 100kg
of TNT?
(b) What fraction of the energy released from the detonation is in the form of acoustic
energy over the hemispherical release region? Assume the blast is 50 ms long and a
ton of TNT releases 4.18 × 10º J.
(c) It has been reported that 1 ton of TNT produces 120 dB SPL at 15km. Is this
consistent with the data given in this problem?

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