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(1381 ) [1]

: ( 1388 ) . . . : [2] . .

250 (1379 ) [3] 8

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[5] Duffie,J.A. Beckman ,W A. ( 1991 )’Solar engineering of thermal processes John Wiley & Sons,

[6] Daneshyar, M. ( 1978 ), ‘Solar radiation statistics for ’ 21 , pp 345 349 .

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[8] M. Yaghoubi, I. Niknia, P. Kanan,A.R. Mahmoodpur (2011 ) “Experimental Study Of Dust Deposition Effect On The Performances Of Solar Collector” Proc. Int. Conf. The Solarpaces 2011 , Garanda, Spain

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[10 ] Price,H.( 2003 ). “A Parabolic Trough plant Simulation Model.” In: International Solar energy conference, Hawaii Island,Hawaii.

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[14 ] Yaghoubi, M., Azizian, K.,Shirazy, S., Kanan, P.(2004 ). “Shiraz solar power plant simulation with variable heat exchanger performance”.In: ESDA 2004 : Proceeding of 7th Biennial conference on Engineering System Design and Analysis; 19 22 ; Manchester,United kingdom.ASME, 2004 .P 169 78 . DOI: 10.1115 /esda 2004 5537

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