Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Question

Pls answer q3(as I am still not sure whether or not I did q2 correctly)

2. Write an expression for the energy balance of the atmospheric layer in terms of Ts, TA, and the other given parameters. Keep your expression algebraic. E = oTs* and E = oTA* P=ɛ0A(Ts* – Tso*) and P= ɛ0A(TA* – TAo*) 3. Combine your answers from questions 1 and 2 to eliminate TĄ and obtain an expression that solves for T3. Keep your expression algebraic, and simplify your expression as much as possible.
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Transcribed Image Text:2. Write an expression for the energy balance of the atmospheric layer in terms of Ts, TA, and the other given parameters. Keep your expression algebraic. E = oTs* and E = oTA* P=ɛ0A(Ts* – Tso*) and P= ɛ0A(TA* – TAo*) 3. Combine your answers from questions 1 and 2 to eliminate TĄ and obtain an expression that solves for T3. Keep your expression algebraic, and simplify your expression as much as possible.
where pw is the density of water and L, = 2.5 x 106 J kg-1 is the latent heat of vaporization for water vapour. Here, E is assumed to be in units ofms-1. The solar constant is S, = 1362 W m-2, the Stefan-Boltzmann constant is o = 5.67 x 10-8 W m-2 K-4, and the planetary albedo is taken to be a = 0.29. For all questions below, assume that the Earth system is in a steady-state, which implies that the Earth system is in thermal equilibrium. *(1– ap) Atmospheric layer FLH oT Earth's surface 1. Write an expression for the energy balance of the surface in terms of Ts, TA and the other given parameters. Keep your expression algebraic, using the notation given above. E= (1 – a)+ ɛoTA-FHL-OTs* %3D 1362W m-2 E = )(1 – 0.29)+ (0.9 )(5.67 × 10-8 W m-² K¯4)T^*- (55 W m-2) (5.67 x 10-8 W m-² K-4)Ts* E = (241.755) W m-2 + (5.1 x 10-8)TA- (3. 118 × 10-6)Tsʻ
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Transcribed Image Text:where pw is the density of water and L, = 2.5 x 106 J kg-1 is the latent heat of vaporization for water vapour. Here, E is assumed to be in units ofms-1. The solar constant is S, = 1362 W m-2, the Stefan-Boltzmann constant is o = 5.67 x 10-8 W m-2 K-4, and the planetary albedo is taken to be a = 0.29. For all questions below, assume that the Earth system is in a steady-state, which implies that the Earth system is in thermal equilibrium. *(1– ap) Atmospheric layer FLH oT Earth's surface 1. Write an expression for the energy balance of the surface in terms of Ts, TA and the other given parameters. Keep your expression algebraic, using the notation given above. E= (1 – a)+ ɛoTA-FHL-OTs* %3D 1362W m-2 E = )(1 – 0.29)+ (0.9 )(5.67 × 10-8 W m-² K¯4)T^*- (55 W m-2) (5.67 x 10-8 W m-² K-4)Ts* E = (241.755) W m-2 + (5.1 x 10-8)TA- (3. 118 × 10-6)Tsʻ
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