Answers: a) 19.1 C; b) 695 C 7.56 A spherical, underwater instrument pod used to make soundings and to measure conditions in the water has a diameter of 100 mm and dissipates 400 W. (a) Estimate the surface temperature of the pod when suspended in a bay where the current is 1 m/s and the water temperature is 15°C. (b) Inadvertently, the pod is hauled out of the water and suspended in ambient air without deactivat- ing the power. Estimate the surface temperature of the pod if the air temperature is 15°C and the wind speed is 3 m/s.
Answers: a) 19.1 C; b) 695 C 7.56 A spherical, underwater instrument pod used to make soundings and to measure conditions in the water has a diameter of 100 mm and dissipates 400 W. (a) Estimate the surface temperature of the pod when suspended in a bay where the current is 1 m/s and the water temperature is 15°C. (b) Inadvertently, the pod is hauled out of the water and suspended in ambient air without deactivat- ing the power. Estimate the surface temperature of the pod if the air temperature is 15°C and the wind speed is 3 m/s.
Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment
Section: Chapter Questions
Problem 1CE
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Transcribed Image Text:Answers: a) 19.1 C; b) 695 C
7.56 A spherical, underwater instrument pod used to make
soundings and to measure conditions in the water has a
diameter of 100 mm and dissipates 400 W.
(a) Estimate the surface temperature of the pod when
suspended in a bay where the current is 1 m/s and
the water temperature is 15°C.
(b) Inadvertently, the pod is hauled out of the water
and suspended in ambient air without deactivat-
ing the power. Estimate the surface temperature of
the pod if the air temperature is 15°C and the wind
speed is 3 m/s.
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