Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 8 doc
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 8 doc
... 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. 0 ME-02
Page 7
TYPES OF HEAT EXCHANGERS DOE-HDBK-10 18/ 1-93 Heat ... Exchangers
ME-02 Rev. 0
Page 10
TYPES OF HEAT EXCHANGERS DOE-HDBK-10 18/ 1-93 Heat Exchangers
Parallel flow ∆T
lm
=
(200 80
o
F) (145 120
o
F)
ln
(200 80
o
F)
(145 120
o
F)
61...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 11 doc
... DOE-HDBK-10 18/ 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 ... DOE-HDBK-10 18/ 1-93 CENTRIFUGAL PUMPS
Figure 9 Multi-Stage Centrifugal Pump
Centrifugal Pump Components
Centrifugal pumps vary in design and construction from simple pumps wit...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 10 docx
... DOE-HDBK-10 18/ 1-93 CENTRIFUGAL PUMPS
CENTRIFUGAL PUMPS
Centrifugal pumps are the most common type of pumps found in DOE facilities.
Centrifugal pumps enjoy widespread application partly due to ... 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 ca...
Mechanical Science HandbooksMechanical Science Handbooks 20000 Part 8 potx
... 184 8 lbf to be opened. The piston area is 3 square
inches. How much pressure does the hydraulic fluid have to exert for the valve to move?
Solution:
Since F = P x A, then .P
F
A
P
184 8 ... a reservoir or tank
via a filter, which removes foreign particles.
Rev. 0 ME-05
Page 13
Miscellaneous Mechanical Components DOE-HDBK-10 18/ 2-93 BOILERS
Summary
The important information in this...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 13 pps
... POSITIVE DISPLACEMENT PUMPS DOE-HDBK-10 18/ 1-93 Pumps
Positive Displacement Pump Protection
Positive displacement pumps are normally fitted ... overpressurization by a relief valve
on the upstream side of the pump discharge valve.
ME-03 Rev. 0
Page 28
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 12 pot
... ME-03
Page 23
Pumps DOE-HDBK-10 18/ 1-93 POSITIVE DISPLACEMENT PUMPS
The complete assembly and the usual flow
Figure 17 Two-Screw, Low-Pitch, Screw Pump
Figure 18 Three-Screw, High-Pitch, Screw ... 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 leakag...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 9 pptx
... Displacement Pump Protection 28
Summary 28
Rev. 0 ME-03
Page i
Department of Energy
Fundamentals Handbook
MECHANICAL SCIENCE
Module 3
Pumps
Heat Exchangers DOE-HDBK-10 18/ 1-93 HEAT EXCHANGER APPLICATIONS
Normally, ... 15
Gas Binding 15
Priming Centrifugal Pumps 15
Summary 16
POSITIVE DISPLACEMENT PUMPS 18
Introduction 18
Principle of Operation 19
Reciprocating Pumps 19
Rotary Pumps...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 7 ppt
...
Department of Energy
Fundamentals Handbook
MECHANICAL SCIENCE
Module 2
Heat Exchangers
OBJECTIVES DOE-HDBK-10 18/ 1-93 Heat Exchangers
Intentionally Left
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. ... fuel rack for increased/decreased fuel.
Figure 28 Simplified Mechanical- Hydraulic Governor
Rev. 0 ME-01
Page 35
Diesel Engine Fundamentals DOE-HDBK-10 18/ 1-93 DIESEL ENGINE SPEED,
FUEL CONT...
Mechanical Science HandbooksMechanical Science Handbooks 10000 Part 5 pps
... out of the cylinder.
Rev. 0 ME-01
Page 29
DOE-HDBK-10 18/ 1-93
Diesel Engine Fundamentals FUNDAMENTALS OF THE DIESEL CYCLE
to useful work, 28% heat rejected to the cooling system, and 30% heat rejected
out ... of the cylinder. At TDC
the second crankshaft rotation is complete.
ME-01 Rev. 0
Page 28
DOE-HDBK-10 18/ 1-93
FUNDAMENTALS OF THE DIESEL CYCLE Diesel Engine Fundamentals
At 43° ABDC,...