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LW-9539 Natural & Forced Convection Experiment
Purposes
1. Standard airflow rate generator and calculation
1.1 The apparatus is based on AMCA210-07 Standard,
which is widely used in industries.
1.2 Students can understand flow rate measurement by operating and calculating
themselves.
2. Convection coefficient, h
2.1 Describe convective condition by Newton’s law of cooling: Q = h × A × △T
2.2 Study convection coefficient under different natural or forced convective
conditions, airflow rate and models.
3. Get the concept of heat dissipation
3.1 By observation, record and calculation
3.2 Helpful to know the overall issue of cooling and thermal management
Specifications
1. Standard flow rate generator: Accuracy is <3%
2. The flow rate generator is according to AMCA 210 Fig.15 standards.
3. Flow rate range: 1.78 ~ 42.65 CFM.
4. Common chamber: 150 mm in inner diameter.
5. A blower and 4 sets of exchangeable nozzle structures produce accurate flow rate.
6. Differential pressure meter: Accuracy < ±0.25%; Range: 0 ~ 127 mmAq
7. Heating models
7.1 Cylinder type, made of copper and stainless steel
7.2 Plate type, made of copper and stainless steel
7.3 6-point temperature measurement on each model
7.4 Common temperature display and 90W DC power supply
7.5 Natural and forced convection
7.6 Vertical and horizontal installation
8. Including instruction manual
9. Overall dimension: 0.6 (D) × 1.2 (L) × 1.6 (H) m (Ref.)
10. Power source: AC220V, 5 Amp, 50/60 Hz, single phase
1. Standard airflow rate generator and calculation
1.1 The apparatus is based on AMCA210-07 Standard,
which is widely used in industries.
1.2 Students can understand flow rate measurement by operating and calculating
themselves.
2. Convection coefficient, h
2.1 Describe convective condition by Newton’s law of cooling: Q = h × A × △T
2.2 Study convection coefficient under different natural or forced convective
conditions, airflow rate and models.
3. Get the concept of heat dissipation
3.1 By observation, record and calculation
3.2 Helpful to know the overall issue of cooling and thermal management
Specifications
1. Standard flow rate generator: Accuracy is <3%
2. The flow rate generator is according to AMCA 210 Fig.15 standards.
3. Flow rate range: 1.78 ~ 42.65 CFM.
4. Common chamber: 150 mm in inner diameter.
5. A blower and 4 sets of exchangeable nozzle structures produce accurate flow rate.
6. Differential pressure meter: Accuracy < ±0.25%; Range: 0 ~ 127 mmAq
7. Heating models
7.1 Cylinder type, made of copper and stainless steel
7.2 Plate type, made of copper and stainless steel
7.3 6-point temperature measurement on each model
7.4 Common temperature display and 90W DC power supply
7.5 Natural and forced convection
7.6 Vertical and horizontal installation
8. Including instruction manual
9. Overall dimension: 0.6 (D) × 1.2 (L) × 1.6 (H) m (Ref.)
10. Power source: AC220V, 5 Amp, 50/60 Hz, single phase
Cylinder and plate models for heating
Nozzles based on AMCA 210-07 Standard