How to blow up water and fly through the wake

I want to achieve the following. Jet + secret base underwater + blow up water with bomb to gain entry to tunnel at bottom of the sea, see image:

Say that the depth is 1000m, then Based on calculation in this Quora-answer:

(4.2*10^3 J/kgC^-1) (1 kg) (90C) =
338000 J required to evaporate 1 kg water from 10 degree temperature

Since the water is ~10 degrees

The amount of water is the volume of a sphere with radius 500m:

$\frac{4}{3}\pi 500^3 = 5.24*10^8m^3$

Which is lets say about 5*10^11 kg (1L of water == 1 kg)

Giving about 170000 TJ, The energy of the detonation can be handwaved to some degree and it is not immensely* more than our current nuclear bombs at 100TJ.

How long does the plane have before the water collapses? Will mach 1 be enough to reach the entry point?

(Vaporising the water is just something i assumed I'd have to do. I'd consider any smart physics phenomenon that can be taken advantage of to extend the duration of the wake as on topic)

posted over 5 years ago

Adam‭

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