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Question 1: For a small surface of area A, = 10m² is known to emit diffusely, and from measurements the total intensity associated with emission in the normal direction is In = 7000- Az = A, = A, = 10-3m², which 0.5 m from A, and oriented as shown in the figure below. .sr. Radiation emitted from the surface is intercepted by three other surfaces of area A, = %3D %3D A3 A2 jo.5m 0.5 m 6045° 0.5 m For this configuration calculate (i) (ii) (ii) (iv) The intensity associated with emission in each of the three directions The solid angles subtended by the three surfaces when viewed from A, The rate at which radiation emitted by A,is intercepted by the three surfaces? The irradiation at surfaces A2, Ag and A, due to A,

Question 1: For a small surface of area A, = 10m² is known to emit diffusely, and from measurements the total intensity associated with emission in the normal direction is In = 7000- Az = A, = A, = 10-3m², which 0.5 m from A, and oriented as shown in the figure below. .sr. Radiation emitted from the surface is intercepted by three other surfaces of area A, = %3D %3D A3 A2 jo.5m 0.5 m 6045° 0.5 m For this configuration calculate (i) (ii) (ii) (iv) The intensity associated with emission in each of the three directions The solid angles subtended by the three surfaces when viewed from A, The rate at which radiation emitted by A,is intercepted by the three surfaces? The irradiation at surfaces A2, Ag and A, due to A,

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Question 1: For a small surface of area A, = 10-3m2 is known to emit diffusely, and from measurements the total intensity associated with emission in the normal direction is I,= 7000. sr. Radiation emitted from the surface is intercepted by three other surfaces of area A, = Az = A3 = A, = 10-3m2, which 0.5 m from A, and oriented as shown in the figure below. %3D m2 %3D A3 A2 jo.5 m AA 0.5 m 60°-45° 0.5 m For this configuration calculate (i) (ii) (ii) (iv) The intensity associated with emission in each of the three directions The solid angles subtended by the three surfaces when viewed from A, The rate at which radiation emitted by Azis intercepted by the three surfaces? The irradiation at surfaces A2, A3 and A4 due to A,
Transcribed Image Text:Question 1: For a small surface of area A, = 10-3m2 is known to emit diffusely, and from measurements the total intensity associated with emission in the normal direction is I,= 7000. sr. Radiation emitted from the surface is intercepted by three other surfaces of area A, = Az = A3 = A, = 10-3m2, which 0.5 m from A, and oriented as shown in the figure below. %3D m2 %3D A3 A2 jo.5 m AA 0.5 m 60°-45° 0.5 m For this configuration calculate (i) (ii) (ii) (iv) The intensity associated with emission in each of the three directions The solid angles subtended by the three surfaces when viewed from A, The rate at which radiation emitted by Azis intercepted by the three surfaces? The irradiation at surfaces A2, A3 and A4 due to A,
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