Türkiye son yıllarda jeotermal enerjiden elektrik ve ısı enerjisi üretilmesi alanında oldukça hızlı gelişim göstermiştir. Bu çalışmada jeotermal enerji destekli çok fonksiyonlu bir enerji üretim sisteminin termodinamik analizi verilmiştir. Aynı zamanda, jeotermal enerji kullanılarak elektrik, hidrojen, sıcak su, ısıtma ve soğutma üreten bir tesis önerilmiş ve her bir bileşen için kütle, enerji, entropi ve ekserji denge denklemleri türetilmiştir. Parametrik çalışmalar yapılarak, sistemin en önemli çıktılarından olan elektrik ve hidrojenin üretimine etkileri incelenmiştir. Analiz sonuçlarına göre, en fazla ekserji yıkımı Kalina çevriminde gerçekleşmiştir. Ayrıca elektrik ve hidrojen üretimini en fazla etkileyen parametreler olarak da jeotermal kaynak sıcaklığı ve türbin giriş basıncı olduğu bulunmuştur.
In recent years, Turkey has shown a very rapid development in the field of electricity and thermal energy production from geothermal energy. This study provides a thermodynamic analysis of a multi-functional energy production system supported by geothermal energy. At the same time, a facility that produces electricity, hydrogen, hot water, heating and cooling using geothermal energy was recommended and mass, energy, entropy and exergy balance equations were generated for each component. Parametric studies have studied the effects on the production of electricity and hydrogen, the most important output of the system. According to the results of the analysis, the most exergy destruction occurred in the Kalina circle. Also, the parameters that most affect the production of electricity and hydrogen have also been found to be the geothermal source temperature and the turbine input pressure.
Turkey has shown great potential and development on electricity and heat energy production from geothermal sources. In this study, the detailed thermodynamic analysis of a multigeneration system based geothermal energy is presented. Also, a multigeneration system producing electricity, hydrogen, hot water, heating and cooling is proposed and mass, energy, entropy and exergy balance equations for every components of the system are derived. In addition, parametric analyses have been performed in order to see how and which variables affect the production rates of electricity and hydrogen. According to the analyses results, the largest exergy destruction rate occurs in Kalina cycle. Moreover, the most important variables affecting electricity and hydrogen production rates are found as geothermal source temperature and turbine inlet pressure of Kalina cycle.
Alan : Mühendislik
Dergi Türü : Ulusal
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