Ambient air at 20 degree Celsius flows past a flat plate with a sharp leading edge at 3 m/s. The plate is heated uniformly throughout its entire length and is maintained at a surface temperature of 40 degree Celsius. Calculate the thickness of the hydrodynamic boundary layer. Assume that transition occurs at a critical Reynolds number of 50000?

Ambient air at 20 degree Celsius flows past a flat plate with a sharp

1.	Ambient air at 20 degree Celsius flows past a flat plate with a sharp leading edge at 3 m/s. The plate is heated uniformly throughout its entire length and is maintained at a surface temperature of 40 degree Celsius. Calculate the thickness of the hydrodynamic boundary layer. Assume that transition occurs at a critical Reynolds number of 50000?
A.	16.5 mm
B.	17.5 mm
C.	18.5 mm
D.	19.5 mm
Answer» C. 18.5 mm

Discussion

No Comment Found

Related MCQs

Ambient air at 20 degree Celsius flows past a flat plate with a sharp leading edge at 3 m/s. The plate is heated uniformly throughout its entire length and is maintained at a surface temperature of 40 degree Celsius. Calculate the local convective heat transfer coefficient. Assume that transition occurs at a critical Reynolds number of 500000
Ambient air at 20 degree Celsius flows past a flat plate with a sharp leading edge at 3 m/s. The plate is heated uniformly throughout its entire length and is maintained at a surface temperature of 40 degree Celsius. Calculate the thickness of the thermal boundary layer. Assume that transition occurs at a critical Reynolds number of 500000
Ambient air at 20 degree Celsius flows past a flat plate with a sharp leading edge at 3 m/s. The plate is heated uniformly throughout its entire length and is maintained at a surface temperature of 40 degree Celsius. Calculate the thickness of the hydrodynamic boundary layer. Assume that transition occurs at a critical Reynolds number of 500000
A small thermo-couple is positioned in a thermal boundary layer near a flat plate past which water flows at 30 degree Celsius and 0.15 m/s. The plate is heated to a surface temperature of 50 degree Celsius and at the location of the probe, the thickness of thermal boundary layer is 15 mm. If the temperature profile as measured by the probe is well-represented byt – t S/t INFINITY – t S = 1.5 (y/δ t) – 0.5 (y/δ t) 3Determine the heat flux from plate to water
A small thermo-couple is positioned in a thermal boundary layer near a flat plate past which water flows at 30 degree Celsius and 0.15 m/s. The plate is heated to a surface temperature of 50 degree Celsius and at the location of the probe, the thickness is 15 mm. The probe is well-represented byt – t S/t INFINITY – t S = 1.5 (y/δ) – 0.5 (y/δ) 3Determine the heat transfer coefficient
AMBIENT_AIR_AT_20_DEGREE_CELSIUS_FLOWS_PAST_A_FLAT_PLATE_WITH_A_SHARP_LEADING_EDGE_AT_3_M/S._THE_PLATE_IS_HEATED_UNIFORMLY_THROUGHOUT_ITS_ENTIRE_LENGTH_AND_IS_MAINTAINED_AT_A_SURFACE_TEMPERATURE_OF_40_DEGREE_CELSIUS._CALCULATE_THE_THICKNESS_OF_THE_THERMAL_BOUNDARY_LAYER._ASSUME_THAT_TRANSITION_OCCURS_AT_A_CRITICAL_REYNOLDS_NUMBER_OF_500000?$
Ambient_air_at_20_degree_Celsius_flows_past_a_flat_plate_with_a_sharp_leading_edge_at_3_m/s._The_plate_is_heated_uniformly_throughout_its_entire_length_and_is_maintained_at_a_surface_temperature_of_40_degree_Celsius._Calculate_the_local_convective_heat_transfer_coefficient._Assume_that_transition_occurs_at_a_critical_Reynolds_number_of_500000$
Ambient air at 20 degree Celsius flows past a flat plate with a sharp leading edge at 3 m/s. The plate is heated uniformly throughout its entire length and is maintained at a surface temperature of 40 degree Celsius. Calculate the thickness of the hydrodynamic boundary layer. Assume that transition occurs at a critical Reynolds number of 50000?
Ambient air at 20 degree Celsius flows past a flat plate with a sharp leading edge at 3 m/s. The plate is heated uniformly throughout its entire length and is maintained at a surface temperature of 40 degree Celsius. Calculate the distance from the leading edge at which the flow in the boundary layer changes from laminar to turbulent conditions. Assume that transition occurs at a critical Reynolds number of 500000
Consider the above problem, find the temperature of bottom surface of the plate for steady state condition

Discussion

No Comment Found

Related MCQs

Reply to Comment