Gas Engine Design

Cover
D. Van Nostrand Company, 1905 - 254 Seiten
 

Inhalt

COMBUSTION LINE FOR REFERENCE DIAGRAM
21
PRESSURE RATIOS OBSERVED AND CALCULATED II FUEL CHARACTERISTICS
26
MEAN EFFECTIVE PRESSURE BY REFERENCE DIAGRAM
30
PRACTICABLE COMPRESSION PRESSures
32
OBSERVED MEAN EFFECTIVE PRESSURE
35
DIAGRAM FACTORS
37
CAUSES OF LOWERED M E
38
MEAN EFFECTIVE PRESSURE AND HORSEPOWER FORMULAS
40
CYLINDER DIAMETER
42
OVERLOAD FACTOR 21 STROKE
43
PERFORMANCE ECONOMY AND THERMAL EFFICIENCY
44
EFFICIENCY BY REFERENCE DIAGRAM
46
ECONOMY
48
APPLICATION OF DIAGRAM FACTOR
51
VARIATION IN PERFORMANCE WITH CONDITION
52
PAGE I
53
15
54
19
55
IGNITIONCHANGE EFFECTS WITH THROTTLING
66
PUMPING DIAGRAMS OR LOWSPRING CARDS
71
SUCTION AND EXHAUSTLINE CHANGES
72
GAS FORCES ON PISTON FROM INDICATOR CARD
76
KINETIC FORCES
77
EFFECTS OF KINETIC FORCES IN THE ENGINE
78
INERTIA FORCES OF RECIPROCATING PARTS
79
I
80
PLOTTING INERTIA CURVES
83
EFFECT OF ROD LENGTH ON INERTIA OF RECIPROCATING PARTS
84
26
86
CHARACTERISTIC INERTIA CURVES
87
30
88
32
89
EFFECTIVE DRIVING FORCES AT PISTON
92
KINETIC FORCES AND BALANCE
93
BALANCE OF REVOLVING PARTS BY MASSES PLACED IN TWO PLANES
96
BALANCE OF KINETIC FORCES FROM RECIPROCATING PARTS
99
BALANCING RECIPROCATING PARTS BY SIMILAR PARTS ΙΟΙ
101
Two PISTONS ON OPPOSED CRANKS
102
5c OTHER ARRANGEMENTS FOR TWO PISTONS
103
THREECRANK BALANCE
106
FOUR OR MORE CRANK BALANCE
107
SHAKING ROCKING AND VIBRATION OF FRAMES
109
SHAKING FORCES AND CRANKANGLES III
111
FIRST AND SECONDPERIOD RECIPROCATING INERTIA AND CRANK ANGLES
113
EFFECT OF CORRECTLY TREATING THE CONNECTINGROD AS A CON TINUOUS MASS
116
TURNING EFFORT CORRECTED FOR INERTIA
118
ROTATIVE EFFECT AT CRANK OF UNIT HORIZONTAL PRESSURE AT WRISTPIN
119
SECOND METHOD OF EQUALLY DIVIDED PISTON TRAVEL I 20
120
DATA FROM TURNINGEFFORT DIAGRAM
124
35
131
37
133
TWOCYCLE TURNING EFFORT
138
38
142
PART III
147
EMPIRICAL FORMULAS FOR CYLINDER THICKNESS
150
EMPIRICAL FORMULAS FOR GASENGINE CYLINDER WALLS
152
CYLINDERS TOO THICK FOR SIMPLE TENSION IN WALLS
154
WATERSPACE
167
GAS VELOCITIES THROUGH VALVES AND PISTON SPEED
169
FLAT VALVES
170
CONESEAT VALVES
171
CAMCURVE FOR CONSTANT GAS VELOCITY
173
VALVELIFTS
174
MEAN GAS VELOCITY
176
CONTRACTED VEIN AT VALVE OPENING
178
VALVEFACES AND VALVESEATS
180
CONE VALVESEATS
181
VALVESTEMS
182
VALVECLOSURE SPRINGS
185
PERIOD OF CLOSURE
186
SPRING DIMENSIONS
187
ACTUAL CAMCURVES FOR VALVE OPENING AND THEORETIC CAM CURVE
189
CAMROLLER EFFECT
190
RATIO OF CAMLIFT TO VALVELIFT
191
ZERO RADIUS OF CAMS
192
CAMCURVES FOR PROPER VALVESETTING
193
EXAMPLE OF INLETCAM DESIGN
196
40
199
IIO PISTONHEADS
202
PISTON LENGTH
203
SIDETHRUST FROM GAS PRESSURE AND INERTIA
204
PRACTICAL LIMITS OF PISTON LENGTHS
206
PISTONBARREL
207
PISTONRINGS
208
WRISTPIN
210
LIMITS IN WRISTPIN DIMENSIONS
212
CONNECTINGRODS
213
LIMITING DIMENSIONS FOR CONNECTINGrods
215
CRANKSHAFTS PINS AND CRANKS
216
MAXIMUM TWISTING MOMENT
218
SHAFT TO RESIST TWISTING ONLY
219
MAXIMUM BENDING AND TWISTING Moment
222
LIMITS OF SHAFT DIAMETERS
226
MAIN BEARINGS AND JOURNAL PREssures
227
CRANKPINS
229
CRANKS
232
FLYWHEELS
234
WEIGHT OF RIM FOR LIMITING VELOCITY CHANGE AND ENERGY FLUCTUATION COEFFICIENTS
235
FLYWHEEL FORMULAS
240
CHANGES IN FLUCTUATION COEFFICIENT WITH CONDITIONS
241
42
242
COEFFICIENT OF SPEED FLUCTUATION
244
LIMITING DIAMETER OF FLYWHEELS
245
WHEELRIMS
246
VALUES OF SPEEDFLUCTUATION COEFFICIENT
248
48
249
52
252
PART II
1
THE ACTUAL INDICATOR CARD
27
FORM OF CARD WITH DIFFERENT GAS PROPORTIONS
28
PISTONSPEED EFFECTS
29
61
61
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