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A Mathematical Model of Hourly Solar Radiation in Varying Weather Conditions for a Dynamic Simulation of the Solar Organic Rankine Cycle

descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 13 Jul 2015Publisher:MDPI AGJournal:Energies, volume 8, pages 7,058-7,069 (eissn: 1996-1073,

Authors: Taehong Sung; Sang Yoon; Kyung Kim;

doi: 10.3390/en8077058

A Mathematical Model of Hourly Solar Radiation in Varying Weather Conditions for a Dynamic Simulation of the Solar Organic Rankine Cycle

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Abstract

A mathematical model of hourly solar radiation with weather variability is proposed based on the simple sky model. The model uses a superposition of trigonometric functions with short and long periods. We investigate the effects of the model variables on the clearness (kD) and the probability of persistence (POPD) indices and also evaluate the proposed model for all of the kD-POPD weather classes. A simple solar organic Rankine cycle (SORC) system with thermal storage is simulated using the actual weather conditions, and then, the results are compared with the simulation results using the proposed model and the simple sky model. The simulation results show that the proposed model provides more accurate system operation characteristics than the simple sky model.

Related Organizations

Kunsan National University
Korea (Republic of)
Kunsan National University
Korea (Republic of)
Pusan National University
Korea (Republic of)
Pusan National University
Korea (Republic of)

Keywords

Technology, T, solar organic Rankine cycle, sky clearness index, probability of persistence, hourly solar radiation, sky condition, dynamic simulation, sky condition; hourly solar radiation; sky clearness index; probability of persistence; solar organic Rankine cycle; dynamic simulation, sky condition; hourly solar radiation; sky clearness index; probabilityof persistence; solar organic Rankine cycle; dynamic simulation, jel: jel:Q0, jel: jel:Q4, jel: jel:Q40, jel: jel:Q, jel: jel:Q43, jel: jel:Q42, jel: jel:Q41, jel: jel:Q48, jel: jel:Q47, jel: jel:Q49

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	29
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%