Thermodynamic modeling of high-temperature combined cycle for hydrogen and electricity co-production

• Autorzy: Dudek M. , Jaszczur M. , Kolenda Z. , Polepszyc I.
• Języki publikacji: EN

Abstrakty

EN

The high (HTGR) and very high (VHTR) temperature nuclear reactors are the most innovative designs and belong to the most advanced fourth generation gas-cooled reactor technology. These types of reactors are designed to have an outlet temperature between 800–1000°C for the HTGR and the VHTR respectively. Such systems are able to generate electrical energy and supply process heat in a broad spectrum of high temperature and energy-intensive non-electric and thermal processes. In this paper, a numerical analysis of high temperature the HTGR/VHTR combined cycle with co-production of hydrogen and electricity is conducted. The presented cycle consists of three subsidiary circuits with gas turbine and two steam turbines for electric energy generation, and two heat exchangers for hydrogen production at high or medium temperature. The results show that such a combination allows a significant increase of thermal efficiency to about 50% at the reactor outlet temperature of 1273 K and a decrease in cost of hydrogen production.

Słowa kluczowe

EN

high temperature nuclear reactor; HTR; VHTR; hydrogen production; combined cycle

PL

wysokotemperaturowy reaktor jądrowy; HTR; VHTR; produkcja wodoru; cykl mieszany

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Computer Assisted Methods in Engineering and Science
• Rocznik: 2015
• Tom: Vol. 22, no. 4
• Strony: 315--327
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr.

Twórcy

autor

Dudek M.

• AGH University of Science and Technology al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Jaszczur M.

• AGH University of Science and Technology al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Kolenda Z.

• AGH University of Science and Technology al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Polepszyc I.

• AGH University of Science and Technology al. Mickiewicza 30, 30-059 Kraków, Poland

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