Interior Ballistics
Interior Ballistics
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In our eReader you can find the full English version of the book. Read Interior Ballistics Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Interior Ballistics
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42689 and these in the above velocity equation give v m = 2487 f. S. We find, from Table I, taking log X as the argument, x = 10. 613; 138 INTERIOR BALLISTICS and by (m) u = 615. 19 in. Also by (k) 2/ =o". 47 and by (/) k m = 0-9394- That is 94 per cent, of the charge was burned at the assumed muzzle.
If the maximum pressure is increased to 38, 000 Ibs. , the density of loading and volume of chamber remaining as before, the velocity for a travel of 280 inches will be increased to 2503 f. S. , a...nd the thickness of web, or diameter of the grain, will be reduced to 0^. 45. This slight diminution in the diameter of the grain increases the initial surface of combustion of the charge about 3^ per cent. , which fully accounts for the increased maximum pressure.
If we take A =0. 5, V c = 3, 000 c. I. And p m = 37, 000 Ibs. Per in. 2, there results co = 54. 19 Ibs. , v 2S o = 2570 f. S. , and 2 / =o". 66.
Trinomial Formulas for Velocity and Pressure. Trinomial formulas occur when the grains of which the charge is composed are of such form and dimensions that the form characteristic /* cannot be regarded as zero.
What to read after Interior Ballistics?
You can find similar books in the "Read Also" column, or choose other free books by James M James Monroe Ingalls to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
42689 and these in the above velocity equation give v m = 2487 f. S. We find, from Table I, taking log X as the argument, x = 10. 613; 138 INTERIOR BALLISTICS and by (m) u = 615. 19 in. Also by (k) 2/ =o". 47 and by (/) k m = 0-9394- That is 94 per cent, of the charge was burned at the assumed muzzle.
If the maximum pressure is increased to 38, 000 Ibs. , the density of loading and volume of chamber remaining as before, the velocity for a travel of 280 inches will be increased to 2503 f. S. , a...nd the thickness of web, or diameter of the grain, will be reduced to 0^. 45. This slight diminution in the diameter of the grain increases the initial surface of combustion of the charge about 3^ per cent. , which fully accounts for the increased maximum pressure.
If we take A =0. 5, V c = 3, 000 c. I. And p m = 37, 000 Ibs. Per in. 2, there results co = 54. 19 Ibs. , v 2S o = 2570 f. S. , and 2 / =o". 66.
Trinomial Formulas for Velocity and Pressure. Trinomial formulas occur when the grains of which the charge is composed are of such form and dimensions that the form characteristic /* cannot be regarded as zero.
What to read after Interior Ballistics?
You can find similar books in the "Read Also" column, or choose other free books by James M James Monroe Ingalls to read onlineMoreLess
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