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Author : Jerry D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.3/5 (91 download)
Download or read book Windows for External Or Internal Hydrostatic Pressure Vessels written by Jerry D. Stachiw and published by . This book was released on 1967 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 85 pages
Book Rating : 4.:/5 (227 download)
Download or read book Windows for External Or Internal Hydrostatic Pressure Vessels. Part Ii. Flat Acrylic Windows Under Short-term Pressure Application written by J. D. Stachiw and published by . This book was released on 1967 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flat, disk-shaped acrylic windows of different thickness-to-diameter ratios have been tested to destruction under short-term hydrostatic loading at room temperatures, where short-term loading is defined as pressurizing the window hydrostatically on its high-pressure face at a 650-psi/minute rate till failure of the window takes place. Critical pressures and displacements of windows with thickness to effective diameter ratios less than 1.0 have been recorded and plotted. The critical pressures derived from testing flat windows in flanges with 1.5-inch, 3.3-inch, and 4.0-inch openings have been found applicable also to flanges with larger openings, so long as the larger windows are of the same t/D sub i and D sub o/D sub i ratios, where t is thickness of the window, D sub i is the clear opening in the flange and therefore the effective diameter of the window exposed to ambient atmospheric pressure and D sub o is overall diameter of the window face exposed to hydrostatic pressure. The performance of flat windows under short-term hydrostatic pressure has been found to be comparable to that of conical windows with included angle equal to, or larger than 90 degrees.
Download or read book Windows for External Or Internal Hydrostatic Pressure Vessels written by and published by . This book was released on 1967 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 133 pages
Book Rating : 4.:/5 (227 download)
Download or read book Windows for External Or Internal Hydrostatic Pressure Vessels. Part Iv. Conical Acrylic Windows Under Long-term Pressure Application at 20,000 Psi written by J. D. Stachiw and published by . This book was released on 1969 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conical acrylic windows of 30-, 60-, 90-, 120-, and 150-degree included angles have been subjected in their mounting flanges to 20,000 psi of hydrostatic pressure for up to 1,000 hours in the 32F-to-75F temperature range. The displacements of the windows through the flange mounting have been recorded and are graphically presented as a function of time, temperature, conical angle, and thickness-to-diameter ratio for the ready reference of the designer. A detailed study has also been made of the types of failure and of the dimensional and structural parameters that must be considered in the design of safe, operationally acceptable windows for long-term service under hydrostatic pressure of 20,000 psi. The test results indicate that a minimum thickness to minor diameter ratio of 2 and an included conical angle of 90 degrees or larger is required to provide safe and optically acceptable windows for long-term sustained pressure loadings of 20,000 psi. (Author).
Author : J. D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 79 pages
Book Rating : 4.:/5 (227 download)
Download or read book Windows for External Or Internal Hydrostatic Pressure Vessels. Part V. Conical Acrylic Windows Under Long-Term Pressure Application of 10,000 Psi written by J. D. Stachiw and published by . This book was released on 1971 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conical acrylic windows of 30-, 60-, 90-, and 120- and 150-degree includedangle and 0.500 to 1.250 t/D (thickness to minor diameter ratio) have beensubjected in their mounting flanges to 10,000 psi of hydrostatic pressurefor 500 and 1,000 hours at ambient room temperature. The displacement ofthe windows through the flange mounting has been recorded as a function oftime and plotted for the ready reference of the designer. The magnitude ofthe window displacement has been found to be a function of time, angle, temperature, t/ ratio and pressure. It is recommended that for safe singlesustained operation of 1,000 hour duration at 10,000 psi hydrostatic loadingat ambient temperature the windows should have an included conical angleequal or greater than 90 degrees and a minimum t/D RATIO OF 0.750. Forsustained loadings in excess of 1,000 hours the minimum t/D ratio is 1.000.(Author-PL).
Author : J. D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (227 download)
Download or read book Windows for External Or Internal Hydrostatic Pressure Vessels. Part Iii. Critical Pressure of Acrylic Spherical Shell Windows Under Short-term Pressure Applications written by J. D. Stachiw and published by . This book was released on 1969 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Model and full-scale acrylic windows in the form of spherical shell lenses with parallel convex and concave surfaces have been imploded by loading their convex surface hydrostatically at a 650-psi/min rate while their concave surface was exposed to atmospheric pressure. The thickness of the model windows varied from 0.250 to 1.200 inches and of the full-scale windows from 0.564 to 4.000 inches, while the included spherical sector angle of the lens and the bevel angle of its edge varied from 30 to 180 degrees in 30-degree increments. The low-pressure face diameters of the model windows varied from 1.423 to 5.500 inches, while those of the full-scale windows varied from 6.200 to 35.868 inches. In addition to critical pressures, displacements of the lens under hydrostatic pressure were recorded and plotted as functions of pressure. (Author).
Author : J. D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.:/5 (227 download)
Download or read book Windows for External of Internal Hydrostatic Pressure Vessels. Part I. Conical Acrylic Windows Under Short-term Pressure Application written by J. D. Stachiw and published by . This book was released on 1967 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conical acrylic windows for fixed ocean-floor structures were placed under short-term loading (pressurization from zero to failure at a fixed rate). The windows, of different thicknesses and different included conical angles, were subjected to various applied pressures, and their subsequent behavior was studied. Acrylic windows, in the form of truncated cones with included angles of 30?, 60?, 90?, 120?, and 150?, were tested to destruction at ambient room temperature by applying hydrostatic pressure to the base of the truncated cone at a continuous rate of 650 psi/min. The pressure at which the windows failed and the magnitude of displacement through the window mounting at different pressure levels were recorded. The ultimate strength of the conical windows (denoted by the critical pressure at which actual failure occurred) was found to be related both to thickness and included conical angle. Graphs are presented defining the relationships of critical pressure versus thickness-to-diameter ratio, and pressure versus magnitude of displacement for the windows. Nondimensional scaling factors for critical pressure and displacement applicable to large-diameter windows are discussed and presented in graphic form. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (24 download)
Download or read book Windows for External Or Internal Hydrostatic Pressure Vessels: Critical pressure of acrylic spherical shell windows under short-term applications written by and published by . This book was released on 1967 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 55 pages
Book Rating : 4.:/5 (227 download)
Download or read book Windows for External Or Internal Hydrostatic Pressure Vessels. Part 7. Effect of Temperature and Flange Configurations on Critical Pressure of 90- Degree Conical Acrylic Windows Under Short-Term Loading written by and published by . This book was released on 1972 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conical acrylic windows of 90-degree included angle and 0.083 to 0. 775 thickness- to-minor-diameter (t/D) ratios have been tested to ultimate failure under short-term hydrostatic loading. The ambient temperature was varied from 32 F to 90 F and the relationship between minor window diameter (D) and minor window cavity diameter in the flange varied from 0.970 to 1.500. The test results show that the critical pressure of identical windows at 90 F is approximately 10% to 20% less than at 70 F, and at 32 F it is approximately 15% to 25% more than at 70 F. To improve the critical pressure of 90- degree conical acrylic windows, it is recommended that such windows be designed with a window/ flange mismatch ratio of greater than 1.00, the exact magnitude depending on the window's t/D ratio, service, and design considerations.
Author : J. D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (227 download)
Download or read book Windows for External Or Internal Hydrostatic Pressure Vessels. Part VI. Conical Acrylic Windows Under Long-Term Pressure Application at 5,000 Pse written by J. D. Stachiw and published by . This book was released on 1971 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conical acrylic windows with five included angles from 30 to 150 degrees and thickness- to-minor-diameter (t/D) ratios from 0.375 to 1.00 have been subjected to 5,000 psi of sustained hydrostatic loading for up to 1,000 hours in the temperature range from 65 to 75 F while the axial displacement of the windows through the flange has been monitored. The magnitude of axial displacement was found to be a function of angles t/D ratio, temperature, and duration of loading. Only windows with t/D ratios equal or greater than 1.000, 0.625, 0.500, and 0.500 for 30-, 60-, 90-, 120-, and 150- degree conical angles, respectively, were found to be free of cracks. Minimum axial displacements of the windows can be achieved only with t/D ratios of greater than 1.000, 1,000, 0.750, 0.750, and 0.625 for 30-, 60-, 90-, 120-, and 150-degree conical angles, respectively. The minimum axial displacements of D = 1.000-inch windows with these t/D ratios and conical angles are 0.042, 0.023, 0.023, 0.019, and 0.019 inch, respectively. It is recommended that only windows with t/D ratios equal or greater than 0.625 and equal or greater than 60 degrees be used for sustained hydrostatic loading of 5,000 psi at temperatures equal or less than 80 F. (Author, modified-PL).
Author : Jerry D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ocean Engineering Studies: Acrylic windows - Typical applications in pressure housings written by Jerry D. Stachiw and published by . This book was released on 1990 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jerry D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (318 download)
Download or read book Ocean Engineering Studies: Acrylic windows, long-term pressurization written by Jerry D. Stachiw and published by . This book was released on 1990 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jerry D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (318 download)
Download or read book Ocean Engineering Studies: Acylic windows, spherical shell configurations written by Jerry D. Stachiw and published by . This book was released on 1990 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jerry D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 448 pages
Book Rating : 4.:/5 (318 download)
Download or read book Ocean Engineering Studies: Acrylic windows, short-term pressurization written by Jerry D. Stachiw and published by . This book was released on 1990 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jerry D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ocean Engineering Studies: Acrylic windows - Diverse design features and types of service written by Jerry D. Stachiw and published by . This book was released on 1974 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. D Stachiw
Publisher :
ISBN 13 :
Total Pages : 514 pages
Book Rating : 4.:/5 (318 download)
Download or read book Acrylic Plastic Viewports for Ocean Engineering Applications written by J. D Stachiw and published by . This book was released on 1977 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jerry D. Stachiw
Publisher :
ISBN 13 :
Total Pages : 342 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ocean Engineering Studies: Pressure-resistant - Glass light enclosures written by Jerry D. Stachiw and published by . This book was released on 1990 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
