November 11,2004 Piston Temperature Profile CAT-1P & C13 James McCord.
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November 11,2004 November 11,2004 Piston Temperature Profile CAT-1P & C13 James McCord
Transcript of November 11,2004 Piston Temperature Profile CAT-1P & C13 James McCord.
November 11,2004November 11,2004
Piston Temperature ProfileCAT-1P & C13
James McCord
November 11,2004November 11,2004
Piston Temperature Profile
• Standard operating conditions (as per current procedure)
• Both test were performed on calibrated stands
• 4 hour duration
• Six C13 pistons were equipped with 29 plugs each
• One CAT-1P piston was equipped with 29 plugs
• Four plugs were installed per land/groove location (Front, Rear, Thrust, and Anti-thrust) and one plug in the under crown.
• Depending on piston location, M3-2 or M1.6-2 plugs were utilized (see photo for plug locations)
• Optimum accuracy of method: +/- 6 C
November 11,2004November 11,2004
CAT-1P & C13Operation Conditions
Operational Parameters CAT C13 CAT 1PTest Duration (hrs) 4 4
Engine Speed (rpm) 1800 1800
Fuel Flow (g/min) 1200 185
Coolant Out Temperature (C) 88 90
Intake Manifold Temperature (C) 40 60
Exhaust Manifold Temperature (C)
670 490
Oil Gallery Temperature (C) 105 130
Fuel Temperature (C) 40 42
Intake Manifold Pressure (kPa-g) 280 173
November 11,2004November 11,2004
Templug Locations
Top LandCAT-1P
CAT-C13
2nd Land
4th Land
3rd Land
Top Groove
2nd Groove
3rd GrooveUnder Crown
Top Land
2nd Land
3rd Land
4th Land
Top Groove
2nd Groove
3rd Groove
Under Crown
November 11,2004November 11,2004
Average Temperature ProfileCAT-1P & CAT-C13
283
231
171
154148
267
237
184
148
118
224
142 133
132 127 124115
135
155
175
195
215
235
255
275
Piston Location
Tem
pera
ture
(C)
CAT 1P
CAT C13
November 11,2004November 11,2004
Maximum Temperature ProfileCAT-1P & CAT-C13
195
159
123
236
294
239
187
172
162
267
133
143138
246
140
155
100
120
140
160
180
200
220
240
260
280
300
Top Land Top Groove 2nd Land 2nd Groove 3rd Land Oil Groove 4th Land Under Crown
Tem
pera
ture
(deg
C)
C13 max
1P Max
November 11,2004November 11,2004
Min/Max Temperature ProfileCAT-1P & CAT-C13
100
120
140
160
180
200
220
240
260
280
300
Top Land Top Groove 2nd Land 2nd Groove 3rd Land Oil Groove 4th Land Under Crown
Tem
pera
ture
(deg
C)
CAT-1P
CAT-C13
November 11,2004November 11,2004
CAT C13 Piston Temperature(average of six pistons)
240241246
223
191
181
195
169
159
140
152
141
110
130
150
170
190
210
230
250
Front Rear Thrust Anti-thrust
Radial Location
Tem
pera
ture
(C)
Top Land Top Groove 2nd Land 2nd Groove 3rd Land 3rd Groove 4th Land
November 11,2004November 11,2004
CAT-1PTemperature Data
Front Rear Thrust Anti-thrust Plug Type
Deg C 279 283 276 294
Deg C 231 225 228 239
Deg C 172 167 156 187
Deg C 172 138 142 162
Deg C 142 132 138 155
Deg C 140 145 143 162
Deg C 140 125 128 138
Deg C 267
M3 #2
M3 #2
CAT 1P
Piston 1
M3 #2
M1.6 #2
M3 #2
M1.6 #2
M3 #2
M1.6 #2
3rd Land
3rd Groove
4th Land
Under Crown
Top Land
Top Groove
2nd Land
2nd Groove
November 11,2004November 11,2004
CAT-C13Temperature Data
Front Rear Thrust Anti-thrust AverageTop Land 223 246 241 240 237
Top Groove 169 195 181 191 1842nd Land 141 152 140 159 148
2nd Groove 127 132 127 143 1323rd Land 119 133 120 138 127
3rd Groove 116 129 119 133 1244th Land 115 123 114 119 118
Under Crown 224 224
CAT C13 (6-piston avg.)Piston Location
Temp C
