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MMLU-Pro / 12255 / Air (100°F, 1atm) is flowing at a velocity of 20 fps over a flat plate(200°F) of…

Problem

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question

Air (100°F, 1atm) is flowing at a velocity of 20 fps over a flat plate(200°F) of 2 ft width. At x = 2 ft find the local convective heattransfer coefficient, rate of heat transfer by convection, localfriction coefficient, local drag due to friction and the boundarylayer thickness.

category

engineering

options

  1. Local convective heat transfer coefficient: 1.6 Btu/hr ft²°F, Rate of heat transfer by convection: 64,000 Btu/hr, Local friction coefficient: 0.0017, Local drag due to friction: 6.0 × 10^-4 lb_f/ft², Boundary layer thickness: 0.026 ft
  2. Local convective heat transfer coefficient: 1.5 Btu/hr ft^2°F, Rate of heat transfer by convection: 60,000 Btu/hr, Local friction coefficient: 0.0025, Local drag due to friction: 6.5 × 10^-4lb_f/ft2 lb_f/ft, Boundary layer thickness: 0.025 ft
  3. Local convective heat transfer coefficient: 1.4 Btu/hr ft²°F, Rate of heat transfer by convection: 56,000 Btu/hr, Local friction coefficient: 0.0030, Local drag due to friction: 7.5 × 10^-4 lb_f/ft², Boundary layer thickness: 0.028 ft
  4. Local convective heat transfer coefficient: 1.2 Btu/hr ft^2°F, Rate of heat transfer by convection: 55,000 Btu/hr, Local friction coefficient: 0.0020, Local drag due to friction: 7.0 × 10^-4lb_f/ft2 lb_f/ft, Boundary layer thickness: 0.030 ft
  5. Local convective heat transfer coefficient: 1.3 Btu/hr ft²°F, Rate of heat transfer by convection: 52,000 Btu/hr, Local friction coefficient: 0.0018, Local drag due to friction: 6.5 × 10^-4 lb_f/ft², Boundary layer thickness: 0.027 ft
  6. Local convective heat transfer coefficient: 1.0 Btu/hr ft²°F, Rate of heat transfer by convection: 40,500 Btu/hr, Local friction coefficient: 0.0022, Local drag due to friction: 7.2 × 10^-4 lb_f/ft², Boundary layer thickness: 0.022 ft
  7. Local convective heat transfer coefficient: 0.95 Btu/hr ft²°F, Rate of heat transfer by convection: 38,000 Btu/hr, Local friction coefficient: 0.0012, Local drag due to friction: 5.5 × 10^-4 lb_f/ft², Boundary layer thickness: 0.019 ft
  8. Local convective heat transfer coefficient: 0.8 Btu/hr ft²°F, Rate of heat transfer by convection: 30,000 Btu/hr, Local friction coefficient: 0.0008, Local drag due to friction: 5.0 × 10^-4 lb_f/ft², Boundary layer thickness: 0.018 ft
  9. Local convective heat transfer coefficient: 1.09 Btu/hr ft^2°F, Rate of heat transfer by convection: 51,569 Btu/hr, Local friction coefficient: 0.0015, Local drag due to friction: 6.18 × 10^-4lb_f/ft2 lb_f/ft, Boundary layer thickness: 0.023 ft
  10. Local convective heat transfer coefficient: 0.9 Btu/hr ft^2°F, Rate of heat transfer by convection: 40,000 Btu/hr, Local friction coefficient: 0.0010, Local drag due to friction: 5.8 × 10^-4lb_f/ft2 lb_f/ft, Boundary layer thickness: 0.020 ft

src

stemez-TransportPhenomena

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Source and history

upstream_id / Original problem ID
12255
task_id
a34eb076-e324-5493-a84b-128ce5cd9bff
task_key
default--test--12255
task_revision_id
1
config / split
default / test

Official source

initial import