hellfish6 -> RE: In or under thermocline? (3/20/2018 8:10:54 PM)
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ORIGINAL: ExMachina quote:
ORIGINAL: hellfish6 So I've asked this question before as well, and didn't really get a satisfactory answer. What exactly is going on when your sub is within the layer? quote:
Also, if you're operating just above or below a layer, your towed array is simulated to be operating on the other side of the layer. What about inside the layer - is your towed array floating above or below too? From the manual (pp. 132-133) the towed array "droops" behind the sub. So if your in the layer, your towed array would listen both within the layer and beneath that layer. To listen within the layer without emitting self noise into the layer, you need to position your sub just over it. And interestingly,according to the illustration anyway, in such a deployment the towed array can actually droop so far as to listen under the layer as well--not sure if this is 100% the case, or just the illustrator's attempt to show that it is at least possible... EDIT: here's a quick image put together from the CMANO manual and a couple other sources EDIT2: and the image is maybe not the most helpful as the layer in CMANO is (I presume) supposed to be the Seasonal Layer that lies between the Surface Layer and the Main Thermocline. [image]local://upfiles/46273/62ED463E2FE7480ABE6A16CBB5765846.jpg[/image] That was helpful, but I'm still unsure of whether being inside the layer helps or not. It's useful to know the towed array works under the thermocline, but I'm still curious to know if being inside of the thermocline helps protect against a hunter in deep water or a surface ship pinging away.
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