Useful Information for Engineers: Being a Series of Lectures |
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Página 10
... equal parts . The result was to increase the strength threefold , or , in other words , to make it equal in strength to a tube of one - third the length . The next series of tubes submitted to experiment were 8 inches in diameter , and ...
... equal parts . The result was to increase the strength threefold , or , in other words , to make it equal in strength to a tube of one - third the length . The next series of tubes submitted to experiment were 8 inches in diameter , and ...
Página 32
... equal to one another . To determine the values of the constants a and C in ( 2 ) , we have PLD PLD , a = But in order to embrace a range of experiments by taking the mean of their results , we have , putting p for the value of P , when ...
... equal to one another . To determine the values of the constants a and C in ( 2 ) , we have PLD PLD , a = But in order to embrace a range of experiments by taking the mean of their results , we have , putting p for the value of P , when ...
Página 34
... equal exactness to all the reductions which follow . 6 - inch Tubes . No. of Experiment . 7 , 10 , 11 9 D. L. P. P. L. P. D. p . No. of Experiment . 13 14 15 21 24 69 6 3353 55 137.5 330 825 32 157.3 192 944 2 ) 1769 Mean value of p ...
... equal exactness to all the reductions which follow . 6 - inch Tubes . No. of Experiment . 7 , 10 , 11 9 D. L. P. P. L. P. D. p . No. of Experiment . 13 14 15 21 24 69 6 3353 55 137.5 330 825 32 157.3 192 944 2 ) 1769 Mean value of p ...
Página 39
... equal angular portions of a tube of variable curvature , varies inversely as the diameters of curvature . Hence it will be observed how very much the strength of a tube subjected to external pressure is deteriorated by a deviation from ...
... equal angular portions of a tube of variable curvature , varies inversely as the diameters of curvature . Hence it will be observed how very much the strength of a tube subjected to external pressure is deteriorated by a deviation from ...
Página 86
... 14 log 1 · 25-34 log 5 = log 258 , = P = 258 lbs . Now this would be the crushing The leng and 13 ar equal to o the cylinde Experimen the pressu sume , for These redu Table : - unders : - 3.98 14 22.33 Mean value of p.
... 14 log 1 · 25-34 log 5 = log 258 , = P = 258 lbs . Now this would be the crushing The leng and 13 ar equal to o the cylinde Experimen the pressu sume , for These redu Table : - unders : - 3.98 14 22.33 Mean value of p.
Términos y frases comunes
20 tons applied in lbs Author bar iron boiler Boiler plate bridges Britannia Bridge calculated cast-iron collapsing pressure compression construction crane Crown 8vo Crown-glass crushed cube cylinder deck defects diameter elongation experiments external pressure Fahr feet 6 inches fibre Flint-glass flues force formula fracture Grauwacke Green glass HISTORY Illustrations improvements inch in lbs inch thick increase Ingleton iron ships iron vessels keelsons Keyham labour Lectures length load longitudinal machine material mean ments mills millwright nearly observed Penmaenmawr Portrait Post 8vo powers of resistance practical present principle red heat Remarks Rennie Resistance of Glass revised riveted Royal Charter rupture Sandstone Second Edition sectional area specimens square inch Staffordshire steam engine stone Strain applied strength strength of materials stringers subjected temperature tensile tensile strength Thicknesses measured Third Edition tons per square tubes vols wheel Woodcuts wrought iron
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