Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 7 ppt
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 7 ppt
...
Department of Energy
Fundamentals Handbook
MECHANICAL SCIENCE
Module 2
Heat Exchangers
OBJECTIVES DOE-HDBK-1018/1-93 Heat Exchangers
Intentionally
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 9 pptx
... Displacement Pump Characteristic Curves 27
Positive Displacement Pump Protection 28
Summary 28
Rev. 0 ME-03
Page i
Department of Energy
Fundamentals Handbook
MECHANICAL SCIENCE
Module 3
Pumps
Heat Exchangers ... 3
Centrifugal Pump Classification by Flow 4
Multi-Stage Centrifugal Pumps 6
Centrifugal Pump Components 7
Summary 10
CENTRIFUGAL PUMP OPERATION 11
Introduction 11
Cavitation 1...
Mechanical Science HandbooksMechanical Science Handbooks 20000 Part 7 pps
... Corporation, 1 977 .
Scheel, Gas and Air Compression Machinery, McGraw/Hill.
Stewart, Harry L., Pneumatics & Hydraulics, Theodore Audel & Company.
Westinghouse Technical Manual 1440-C3 07, SNUPPS, ... viii Rev. 0
OBJECTIVES DOE-HDBK-1018/2-93 Miscellaneous Mechanical Components
Intentionally Left Blank
ME-05 Page x Rev. 0
Miscellaneous Mechanical Components DOE-HDBK-1018/2-93 A...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 12 pot
... complete assembly and the usual flow
Figure 17 Two-Screw, Low-Pitch, Screw Pump
Figure 18 Three-Screw, High-Pitch, Screw Pump
path are shown in Figure 17. Liquid is
trapped at the outer end of each ... self-
priming features, it is essential that all clearances between rotating parts, and between rotating
and stationary parts, be kept to a minimum in order to reduce slippage. Slippage is le...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 11 doc
... DOE-HDBK-1018/1-93 Pumps
Mechanical Seals
In some situations, packing material is not adequate for sealing the shaft. One common
alternative method for sealing the shaft is with mechanical seals. Mechanical ... in design and construction from simple pumps with relatively few parts
to extremely complicated pumps with hundreds of individual parts. Some of the most common
components found...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 10 docx
... vanes of the rotating impeller
impart a radial and rotary motion to the liquid, forcing it to the outer periphery of the pump
casing where it is collected in the outer part of the pump casing called ... impeller of a typical axial flow pump
and the flow through a radial flow pump are shown in Figure 7.
Figure 7 Axial Flow Centrifugal Pump
Rev. 0 ME-03
Page 5
OBJECTIVES DOE-HDBK-1018/1-9...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 8 doc
... 145°F
U
o
= 70 BTU/hr-ft
2
-°F
A
o
= 75 ft
2
T
2
= represents the cold fluid temperature
T
2in
=80°F
T
2out
= 120°F
Counter flow ∆T
lm
=
(200 120
o
F) (145 80
o
F)
ln
(200 120
o
F)
(145 80
o
F)
72
o
F
Rev. ... for the counter flow heat
exchanger yields the following result.
Q
70
BTU
hr ft
2
F
(75 ft
2
) (72
F)
Q 3.8x10
5
BTU
hr
Inserting the above values...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 6 pps
... hydraulic
piston and a set of mechanical flyweights, which are driven by the engine blower shaft.
Figure 28 provides an illustration of a functional diagram of a mechanical- hydraulic
governor. ... in any mechanical and hydraulic governor.
The Woodward speed governor operates the diesel engine fuel racks to ensure a constant engine
speed is maintained at any load. The governor is a mech...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 5 pps
... ~640°F and pressure 277 psia. When the piston has
traveled to 3 .75 7 inches of its stroke, or the volume is again halved, the temperature
climbs to 1280°F and pressure reaches 74 2 psia. With a piston ... intake
Figure 17 Compression
valve starts to close. At 43° ABDC (or 1 37 BTDC),
the intake valve is on its seat and is fully closed. At
this point the air charge is at normal pressure (14...
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