List of Figures
xxv
Fig. 15.9
Total pixel captured at first month . . . . . . . . . . . . . . . . . . . . . . . . 164
Fig. 15.10 Total pixel captured at second month . . . . . . . . . . . . . . . . . . . . . 164
Fig. 15.11 Total pixel captured at third month . . . . . . . . . . . . . . . . . . . . . . . 165
Fig. 16.1
Designed solenoid engine’s prototype . . . . . . . . . . . . . . . . . . . . . 168
Fig. 16.2
Circuit block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Fig. 16.3
Schematic design depicting each component used
within its block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Fig. 16.4
Finished fabrication with installation of the solenoid . . . . . . . . . 171
Fig. 16.5
Flowchart depicting the operation of the prototype . . . . . . . . . . 172
Fig. 16.6
Engine speed control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Fig. 16.7
Flowchart depicting the operation of the tachometer using
Arduino . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Fig. 16.8
Graph of gain against power consumption . . . . . . . . . . . . . . . . . 174
Fig. 16.9
Graph of gain against engine speed . . . . . . . . . . . . . . . . . . . . . . . 175
Fig. 17.1
Flowchart of the experiment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Fig. 17.2
Assembling component flowchart . . . . . . . . . . . . . . . . . . . . . . . . 181
Fig. 17.3
Shaft mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Fig. 17.4
Motor mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Fig. 17.5
Shaft and motor in tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Fig. 17.6
Electronic component installation . . . . . . . . . . . . . . . . . . . . . . . . 182
Fig. 17.7
Electronic component testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Fig. 17.8
Installation component in the tank . . . . . . . . . . . . . . . . . . . . . . . . 183
Fig. 17.9
Rpm of motor vs depth of the measuring device at 100
mm horizontal position of measuring device and 0 mm
vertical center position of measuring device with 44 mm
3 blade propeller size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Fig. 17.10 Horizontal position of measuring device vs rpm of motor
at 90 mm depth of measuring device and 100 mm vertical
left position of measuring device with 48 mm 3 blade
propeller size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Fig. 17.11 Depth of measuring device vs size of propeller at 900 rpm
with 0 mm vertical center position of measuring device
and 200 mm horizontal position of measuring device . . . . . . . . 189
Fig. 17.12 Rpm of motor vs size of propeller at 60 mm depth
of measuring device and 0 mm vertical center position
of measuring device with 100 mm horizontal position . . . . . . . . 190
Fig. 18.1
Water hyacinth harvester model before painting . . . . . . . . . . . . . 199
Fig. 18.2
Water hyacinth harvester model painted and left to dry . . . . . . . 200
Fig. 18.3
Draft analysis of the water hyacinth harvester model . . . . . . . . . 201
Fig. 18.4
Draft analysis graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Fig. 18.5
Sprockets used for sprocket analysis . . . . . . . . . . . . . . . . . . . . . . 202
Fig. 18.6
Sprocket analysis graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Fig. 18.7
Different propeller blades used for propeller analysis . . . . . . . . 204
Fig. 18.8
Propeller analysis graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Fig. 19.1
Free fall sketching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
xxv
Fig. 15.9
Total pixel captured at first month . . . . . . . . . . . . . . . . . . . . . . . . 164
Fig. 15.10 Total pixel captured at second month . . . . . . . . . . . . . . . . . . . . . 164
Fig. 15.11 Total pixel captured at third month . . . . . . . . . . . . . . . . . . . . . . . 165
Fig. 16.1
Designed solenoid engine’s prototype . . . . . . . . . . . . . . . . . . . . . 168
Fig. 16.2
Circuit block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Fig. 16.3
Schematic design depicting each component used
within its block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Fig. 16.4
Finished fabrication with installation of the solenoid . . . . . . . . . 171
Fig. 16.5
Flowchart depicting the operation of the prototype . . . . . . . . . . 172
Fig. 16.6
Engine speed control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Fig. 16.7
Flowchart depicting the operation of the tachometer using
Arduino . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Fig. 16.8
Graph of gain against power consumption . . . . . . . . . . . . . . . . . 174
Fig. 16.9
Graph of gain against engine speed . . . . . . . . . . . . . . . . . . . . . . . 175
Fig. 17.1
Flowchart of the experiment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Fig. 17.2
Assembling component flowchart . . . . . . . . . . . . . . . . . . . . . . . . 181
Fig. 17.3
Shaft mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Fig. 17.4
Motor mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Fig. 17.5
Shaft and motor in tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Fig. 17.6
Electronic component installation . . . . . . . . . . . . . . . . . . . . . . . . 182
Fig. 17.7
Electronic component testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Fig. 17.8
Installation component in the tank . . . . . . . . . . . . . . . . . . . . . . . . 183
Fig. 17.9
Rpm of motor vs depth of the measuring device at 100
mm horizontal position of measuring device and 0 mm
vertical center position of measuring device with 44 mm
3 blade propeller size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Fig. 17.10 Horizontal position of measuring device vs rpm of motor
at 90 mm depth of measuring device and 100 mm vertical
left position of measuring device with 48 mm 3 blade
propeller size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Fig. 17.11 Depth of measuring device vs size of propeller at 900 rpm
with 0 mm vertical center position of measuring device
and 200 mm horizontal position of measuring device . . . . . . . . 189
Fig. 17.12 Rpm of motor vs size of propeller at 60 mm depth
of measuring device and 0 mm vertical center position
of measuring device with 100 mm horizontal position . . . . . . . . 190
Fig. 18.1
Water hyacinth harvester model before painting . . . . . . . . . . . . . 199
Fig. 18.2
Water hyacinth harvester model painted and left to dry . . . . . . . 200
Fig. 18.3
Draft analysis of the water hyacinth harvester model . . . . . . . . . 201
Fig. 18.4
Draft analysis graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Fig. 18.5
Sprockets used for sprocket analysis . . . . . . . . . . . . . . . . . . . . . . 202
Fig. 18.6
Sprocket analysis graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Fig. 18.7
Different propeller blades used for propeller analysis . . . . . . . . 204
Fig. 18.8
Propeller analysis graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Fig. 19.1
Free fall sketching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215