Solar parameters of the local climate during the summer in relation to data from typical meteorological year

Joanna Rudniak,M.A Sayegh,M Kutyłowska,B Kaźmierczak,J Danielewicz,H Jouhara,K Piekarska

doi:10.1051/e3sconf/201911600066

Joanna Rudniak, M.A Sayegh + Show 5 more

Open Access

https://doi.org/10.1051/e3sconf/201911600066

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Abstract

Parameters characterizing the properties of the local climate, among them the solar irradiance, as part of the so-called Typical Meteorological Year – TMY, are often averaged and modeled. To determine the actually available solar conditions, it is beneficial to perform additional studies of climate factors in specific locations. The article presents the analysis of the solar irradiance measurements results for Częstochowa, carried out in June, July and August, in different years, in comparison to data from typical meteorological year for this period. TMY developed in Poland as well as TMY from PVGIS databases were used. Due to the occurrence of significant discrepancies in the values of solar irradiance, in the considered large data sets, it was found necessity to update the currently used TMY PL for Częstochowa, which were determined on the basis of data from the years 1971–1991. The analysis also included local sunshine duration and its summer anomalies. In addition, the dependence of solar conditions on the particulate matter PM10 content in the air, which is rarely considered in the summer, is presented.

Highlights

In the dispersed energy sector, the share of energy obtained from renewable energy sources is increased more and more often, by supplying electricity and heat, thanks to the use of, for example, solar collectors or photovoltaic cells [1,2,3,4,5]
The changes of local, summer climate conditions, observed in recent decades, introduce the need to insightful analysis and update the values of parameters included in the Typical Meteorological Year TMY PL, and especially data sets determining the solar irradiance
Not all meteorological stations are equipped with actinometrical measurement devices as standard, the issue of the lack of data availability determining local solar conditions needed to determine a Typical Meteorological Year, is a common problem in the world and does not apply only to Poland or locally Częstochowa

Summary

Introduction

In the dispersed energy sector, the share of energy obtained from renewable energy sources is increased more and more often, by supplying electricity and heat, thanks to the use of, for example, solar collectors or photovoltaic cells [1,2,3,4,5]. The effective operation of solar installations in specific locations is largely influenced by the availability of solar energy resources, which undoubtedly depend on the time of day or season of the year [5, 6] These resources depend on the specific features of the local climate, share of different types of air masses, air transparency, humidity and chemical composition of air, cloudiness, etc. A typical data set from the meteorological year TMY provides a database of values for various climate parameters, often used by designers to determine energy demand for heating and cooling, in engineering calculations of simulated energy performance of buildings, as well as in the modeling of renewable energy conversion systems, especially solar energy [1, 5, 10, 11].

Measurements and data sources

Analysis of the results

Findings

Conclusions