Figures
Figure
Title
Page
3-6
NSRDL Hyperbaric Chamber Port . . . . . . . . . . . . . .39-99
3-7
Commercially Available Glass Windows . . . . . . . . . .39-101
3-8
Refractive Effect of Flat Window . . . . . . . . . . . .39-103
3-9
Limiting Aperture Locations on Various Viewport
Configurations . . . . . . . . . . . . . . . . . . . . .39-104
3-10
Graphical Determination of Monocular and Binocular
Viewing Fields in the Horizontal Plane . . . . . . . . .39-105
3-11
Standard Window Geometries . . . . . . . . . . . . . . .39-110
3-12
Short Term Critical Pressure of Flat Disc Acrylic Windows
to 7,250 psi . . . . . . . . . . . . . . . . . . . . . .39-112
3-13
Short Term Critical Pressure of Flat Disc Acrylic Windows
to 43,500 psi . . . . . . . . . . . . . . . . . . . . . .39-113
3-14
Short Term Critical Pressure of Conical Frustum Acrylic
Windows to 7,250 psi . . . . . . . . . . . . . . . . . .39-114
3-15
Short Term Critical Pressure of Conical Frustum Acrylic
Windows to 43,500 psi . . . . . . . . . . . . . . . . . .39-115
3-16
Seat Cavity Requirements (Conical Frustum, Spherical
Shell, and Flat Disc) . . . . . . . . . . . . . . . . . .39-121
3-17
Seat Cavity Requirements (Double Beveled Disc) . . . . .39-122
3-18
Typical Recompression Chamber Door . . . . . . . . . . .39-128
3-19
Typical Service Lock . . . . . . . . . . . . . . . . . .39-129
3-20
Typical Recompression Chamber Entrance (Vertical Door) .39-132
3-21
Breech Lock . . . . . . . . . . . . . . . . . . . . . . .39-134
3-22
Spring Clamps . . . . . . . . . . . . . . . . . . . . . .39-135
3-23
Segmented Ring Closure . . . . . . . . . . . . . . . . .39-136
3-24
Swing Bolt Closure . . . . . . . . . . . . . . . . . . .39-137
3-25
Clamping Bar Closure . . . . . . . . . . . . . . . . . .39-138
3-26
Compound Hinges . . . . . . . . . . . . . . . . . . . . .39-140
3-27
Conventional Gasketed Closure . . . . . . . . . . . . . .39-141
3-28
Gasketed Closure with Recess . . . . . . . . . . . . . .39-141
3-29
Threaded Cap Closure . . . . . . . . . . . . . . . . . .39-143
3-30
Threaded Plug Closure . . . . . . . . . . . . . . . . . .39-144
3-31
Flat Face O-Ring Seal Suitable for High Pressure . . . .39-145
3-32
Floating Ring Seal for High Pressures . . . . . . . . . .39-146
3-33
O-Ring Sealed Penetrator Plug . . . . . . . . . . . . . .39-147
3-34
Chamber Door With O-Ring in Dovetail Groove . . . . . . .39-149
5-1
Friction Factors for Clean Commercial Steel and Wrought
Iron Pipe . . . . . . . . . . . . . . . . . . . . . . . .39-182
5-2
Resistance of Valves and Fittings
. . . . . . . . . . .39-184
5-3
Example Fluid System . . . . . . . . . . . . . . . . . .39-193
6-1
Percentage of Oxygen in Breathing Mixture as a Function
of Depth and Oxygen Partial Pressure (1) . . . . . . . .39-211
6-2
Limiting Percent of CO2 in Breathing-Gas Mixture as
a Function of Depth and CO2 Partial Pressure (1). . . .39-214
6-3
Relation of Physiological Effects to Carbon Dioxide
Concentration and Exposure Period (4) . . . . . . . . . .39-215
6-4
Limiting Percent CO in Breathing Mixture as a Function of
Depth and CO Partial Pressure (7) . . . . . . . . . . . .39-216
6-5
Total Hydrocarbons Allowed Vs. Dive Depth (7) . . . . . .39-218
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