ASE 167M - Lecture 5 - 09/18/11 1 ASE 167M Lecture Two (b)...

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Unformatted text preview: 09/18/11 1 ASE 167M Lecture Two (b) The Atmosphere ASE167M Apurva Chunodkar Lecture #2b 09/18/11 ASE167M Apurva Chunodkar 2 The Atmosphere Necessity for studying atmosphere conditions Performance of A/C completely dependent of the atmosphere conditions The properties of the atmosphere are a function of time and position (i.e. latitude, longitude, and altitude). These properties are nonlinear and deterministic but are nonetheless unpredictable because of the scale and interconnectivity of global meteorology What causes most of the planets thermal effects? Solar energy Lecture #2b 09/18/11 ASE167M Apurva Chunodkar 3 Temperature ( T ) Temperature varies linearly with altitude. The rate of this variation is called the Temperature lapse rate 36 65 82 130 186 250 315 h (1000 ft) 300 390 400 500 518 600 R 1 2 3 4 1 km = 3281 ft Isothermal Regions Tropopause i = lapse rate Lecture #2b 09/18/11 ASE167M Apurva Chunodkar 4 Pressure ( P ) and Density ( ) Pressure is the effect felt from the weight of the atmosphere (force/area) and is continually changing due to air movement (sloshing) and temperature changes....
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This note was uploaded on 09/18/2011 for the course ASE 167M taught by Professor Staff during the Spring '10 term at University of Texas at Austin.

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ASE 167M - Lecture 5 - 09/18/11 1 ASE 167M Lecture Two (b)...

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