Ocean Engineering Studies: Acrylic windows - Diverse design features and types of service PDF Download
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Author: Jerry D. Stachiw
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages : 366
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Book Description
Author: Jerry D. Stachiw
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages : 366
Get Book Here
Book Description
Author: J. D. Stachiw
Publisher:
ISBN:
Category :
Languages : en
Pages : 311
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Book Description
Contents in this report include: (1) Development of a precision casting process for acrylic plastic spherical shell windows applicable to high pressure service; (2) Acrylic plastic spherical windows under point impact loading; (3) Effect of bubble inclusions on the mechanical properties of cast polymethyl methacrylate; (4) Crazing and degradation of flexural strength in acrylic plates as a function of time; (5) Effect of weathering and submersion in seawater on the mechanical properties in acrylic plastic; (6) Effect of weather, age, and cyclic pressurizations on structural performance of acrylic plastic spherical shells under external pressure loading; (7) Polycarbonate plastic inserts for spherical acrylic plastic shells under hydrostatic loading; (8) Spherical acrylic pressure hulls with multiple penetrations; (9) Acrylic Plastic spherical pressure hull for 2439 m (8000 ft) design depth: Phase I; (10) Structural performance of acrylic plastic plane disk windows with twin conical bearing surfaces; (11) Hyperhemispherical viewpoints for undersea applications; and (12) The origins of acrylic plastic submersibles.
Author: Jerry D. Stachiw
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages : 314
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Book Description
Author: Jerry D. Stachiw
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages : 450
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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:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1228
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 680
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 410
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Book Description
Volume 3 of the Ocean Engineering Series is a compilation of four technical reports that focus exclusively on the critical pressures of acrylic windows under short-term pressurization. Three different window shapes are discussed in these reports: flat disc, conical frustum, and spherical shell. Since the structural properties of acrylic plastic are not a function of material thickness, the critical pressures of scale-model acrylic windows described in these reports apply to windows of any size.
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: Naval Civil Engineering Laboratory (Port Hueneme, Calif.)
Publisher:
ISBN:
Category : Bibliographical services
Languages : en
Pages : 374
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Book Description