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TECHNICAL PAPERS

Generation of Hourly Ambient Temperature from Generalized Cumulative Frequency Distributions

[+] Author and Article Information
V. V. Satyamurty, P. Ravikumar

Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur-721302, India

J. Sol. Energy Eng 126(2), 683-695 (May 04, 2004) (13 pages) doi:10.1115/1.1668001 History: Received February 01, 2003; Revised October 01, 2003; Online May 04, 2004
Copyright © 2004 by ASME
Topics: Temperature
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References

Celik,  A.N., 2002, “The System Performance of Autonomous Photovoltaic-wind Hybrid Energy Systems Using Synthetically Generated Weather Data,” Renewable Energy, 27, pp. 107–121.
Klein,  S.A., and Beckman,  W.A., 1987, “Loss of Load Probabilities for Stand Alone Photovoltaic System,” Sol. Energy, 39, pp. 499–512.
Liu,  B.Y.H., and Jordan,  R.C., 1963, “A Rational Procedure for Predicting the Long Term Performance of Flat-Plate Solar Energy Collectors,” Sol. Energy, 7, pp. 53–74.
Bendt,  P., Collares-Pereira,  M., and Rabl,  A., 1981, “The Frequency Distribution of Daily Insolation Values,” Sol. Energy, 27, pp. 1–5.
Erbs,  D.G., Klein,  S.A., and Beckman,  W.A., 1983, “Estimation of Degree-Days and Ambient Temperature Bin Data from Monthly Average Temperatures,” ASHRAE J., 25, pp. 60–65.
Knight,  K.M., Klein,  S.A., and Duffie,  J.A., 1991, “A Methodology for the Synthesis of Hourly Weather Data,” Sol. Energy, 46, pp. 109–120.
Satyamurty,  V.V., and Sarath Babu,  K., 1999, “Frequency Distribution of Daily Ambient Temperatures Through Generalized Parameters,” ASME J. Sol. Energy Eng., 121, pp. 176–183.
Manuel,  Ibanez, Beckman,  W.A., and Klein,  S.A., 2002, “Frequency Distributions for Hourly and Daily Clearness Indices,” ASME J. Sol. Energy Eng., 124, pp. 28–33.
William, M., and Urban, K., 1996, User’s Manual for TMY2S. National Renewable Energy Laboratory, Golden, CO, USA, Also can be accessed at http://rredc.nrel.gov.solar/old_data/nsrdb/tmy2/
Sarath Babu, K., 1999, “Studies on Solar Radiation and Ambient Temperature Distributions and Monthly Average Utilizability for Varying Critical Radiation,” Ph.D. thesis, Department of Mechanical Engineering, I.I.T. Kharagpur, India.

Figures

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% Occurrences of T̅̂ah in different bins
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Cumulative distributions of hourly ambient temperature for different values of T̅̂ah for different T̅̂ah, generated from data  
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Variation of the coefficients a1,n,b1,n,c1,n and a2,n,b2,n c2,n with the hour
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Variation of Tah,max and Tah,min for different latitudes
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Variation of T⁁ah with T̅̂ah for different values of cumulative frequency, f
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Variation of the constants Ath and Bth with cumulative frequency, f
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Comparison of values of T⁁ah from Eqs. (4) to (8) and from Eqs. (32) to (36) for different values of T̅̂ah
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Comparison of predicted Tah with data values for different locations
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Variation of hourly ambient temperatures during a day from present distributions
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Cumulative frequency distributions for hourly and daily ambient temperatures

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