Field Data Acquisition

Apparatus Setup and Testing for Household Clothes

Washers and Clothes Dryers

Items

Apparatus Setup Clothes Washers Clothes Dryers

Testing Results Clothes Washers Clothes Dryers

Conclusions & Recommendations

Optical Tachometer

Optical Tachometer

Load Cell

Load Cell

Tri-Axial Accelerometer @ Wash Tub

Tri-axial Accelerometer

Cabinet

Clothes Washer Wash Tub

Tri-Axial Accelerometer @ Cabinet

Tri-Axial Accelerometer

Cabinet

Thermocouple @ Drive Motor

Thermocouples

Thermocouple @ Drain Motor

Thermocouple Located at here.

Thermocouple @ Water Inlet Pipe

Thermocouple

Back

Thermocouple @ Cabinet

Thermocouple

Thermocouple @ Inlet Grill

Thermocouple

Thermocouple @ Drive Motor

Thermocouple

Drive Motor

Thermocouple @ Thermistor

Thermocouple

Back

Clothes Washers’ Spin Speeds

0 50 100 150 200 2500

200

400

600

800

1000

Regular wash cycle, Fast spin speed, max @ 1008.1 RPM

RP

M

0 50 100 150 200 2500

200

400

600

800

1000

Regular wash cycle, Medium spin speed, max @ 813.8 RPM

Time, second

RP

M

Clothes Washers’ Spin Speeds

0 50 100 150 200 2500

200

400

600

800

1000

RP

M

Regular wash cycle, Slow spin speed, max @ 675.5 RPMHeavy Duty wash cycle, Medium spin speed, max @ 669.4 RPM

0 50 100 150 200 2500

200

400

600

800

1000

Heavy Duty wash cycle, Slow spin speed, max @ 329.7 RPM

Time, second

RP

M

Foot Force

Regular wash cycle, Fast spin speed

0

1

2

3

4

5

6

front left front right rear left rear right

Load Cell Location

Fo

rce,

lb

fTrial 1

Trial 2

Trial 3

Trial 4

Wash Tub Acceleration

Regular wash cycle, Fast spin speed

0

10

20

30

40

50

60

70

b X b Y b Z t X t Y t Z

Triax Location and Orientation, (b = bottom, t = top)

Acc

eler

atio

n,

G64 Hz

128 Hz

256 Hz

512 Hz

Cabinet Acceleration

Regular wash cycle, Fast spin speed

0.0

0.2

0.4

0.6

0.8

1.0

1.2

X Y Z

Triax Orientation

Acc

eler

atio

n,

G64 Hz

128 Hz

256 Hz

512 Hz

Inlet Water Temperature

0 500 1000 1500 2000 2500 300085

90

95

100

105

110

115

120Regular wash cycle @ 64 Hz sample rate

Time, second

Tem

pera

ture

, degre

e F

ahre

nheit

Fast spin speedMedium spin speedSlow spin speed

Drain Motor Temperature

0 500 1000 1500 2000 2500 3000 3500100

110

120

130

140

150

160

Regular wash cycle @ 64 Hz sample rate

Time, second

Tem

pera

ture

, degre

e F

ahre

nheit

Fast spin speedMedium spin speedSlow spin speed

Drive Motor Temperature

0 500 1000 1500 2000 2500 3000 3500

80

100

120

140

160

180

Regular wash cycle @ 64 Hz sample rate, Thermocouple # 1

Time, second

Tem

pera

ture

, degre

e F

ahre

nheit

Fast spin speedMedium spin speedSlow spin speed

Back

Cabinet Temperature

Inlet Grill Temperature

Inlet Air Temperature

Drive Motor Temperature

Outlet Air Temperature

Thermistor Temperature

Back

Conclusions & Recommendations

Dedicated sample rates for each type of acquisition channel.

The specified thermocouple is sufficient for this purpose.

Questions ?