Ocean Engineering Studies: Acrylic windows - Typical applications in pressure housings PDF Download
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Author: Jerry D. Stachiw
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages : 298
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Book Description
Author: Jerry D. Stachiw
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages : 298
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Book Description
Author: J. D. Stachiw
Publisher:
ISBN:
Category :
Languages : en
Pages : 270
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Book Description
The purpose of the work in this report was to develop spherical-shell sector windows of acrylic plastic for the deep-diving submersible ALVIN, which has a 12,000-foot depth capability. Free-formed, flanged, acrylic hemispherical shells with a nominal 27-in. median radius have been evaluated for service as external pressure hulls with a nominal 56-ft depth. Because the free-forming fabrication technique produces hemispheres, with variation in thickness and sphericity, uneven stress distribution results during external hydrostatic loading. An acrylic plastic hemispherical dome with a 78-inch outer diameter, 65.25-inch inner diameter and 7-inch-long skirt has been successfully cast, machined, and equipped with a metallic mounting flange. Mounting flanges will allow mating of the cast plastic dome to a surface ship hull. Large and small windows have been found to be more than adequate for man-rated service under 450 psi maximum operational pressure in steel flanges with D sub i (diameter of opening in flange) of 5.000 and 3.000 inches. A recommendation is given for the design, fabrication, proof-testing and inspection in-service of acrylic plastic windows for manned hyperbaric chambers (this includes PTC's, DDC's one atmosphere habitats, high altitude simulation chambers, recompression chambers, etc. Standard window shapes discussed are flat disc, conical frustum and spherical shell sector.
Author:
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ISBN:
Category : Science
Languages : en
Pages : 690
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Author:
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ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1232
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Author: Jerry D. Stachiw
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages : 544
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Author: Jerry D. Stachiw
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages : 392
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Author: United States. Office of the Oceanographer of the Navy
Publisher:
ISBN:
Category : Naval research
Languages : en
Pages : 134
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prepared by Panel 0-37 (HVAC Design) of the Ship Technical Operations Committee.
Author: J. D. Stachiw
Publisher:
ISBN:
Category :
Languages : en
Pages : 459
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Book Description
For safe performance, viewpoints in pressure vessels for human occupancy require windows that are designed according to conservative engineering principles and fabricated from optical material with proven structural properties. This design handbook presents to the prospective viewport designer a succinct summary of existing data and recommended guidelines for using these data in the design, fabrication, and acceptance testing of acrylic plastic windows. Guidelines are presented for windows operating in the range of -15 to +20,000 poundss per square inch and -40 to 151 F. By utilizing these guidelines a cyclic fatigue life of 10,000 cycles with 40,000 hours of sustained pressurization over a period of 10 years can be assured. Greater cyclic fatigue life or longer sustained loading durations can also be achieved, but the designer must develop design criteria whose safety factors exceed those incorporated in the design guidelines of this handbook. Specifications for acrylic plastic are given to ensure procurement of material whose performance will satisfy the structural, optical, and longevity criteria of this handbook. Samples of quality control forms are also included which, when filled completedly out, will constitute acceptable documentation for subsequent safety design review and certification procedures. (Author).
Author:
Publisher:
ISBN:
Category : Civil engineering
Languages : en
Pages : 944
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Book Description
Author: Jerry D. Stachiw
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages :
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