High efficiency power generation system using nonequilibrium closed cycle MHD for inertial confinement fusion reactor

2000 ◽  
Author(s):  
Nob. Harada ◽  
T. Kikuchi
Keyword(s):  
Power Generation ◽  
Inertial Confinement Fusion ◽  
High Efficiency ◽  
Fusion Reactor ◽  
Inertial Confinement ◽  
Closed Cycle ◽  
Generation System ◽  
Confinement Fusion ◽  
Power Generation System

Power generation system using two models for an inertial confinement fusion reactor

2005 ◽  
Vol 219 (5) ◽  
pp. 353-360 ◽  
Author(s):  
L. C. Kien ◽  
N Harada
Keyword(s):  
Gas Turbine ◽  
Inertial Confinement Fusion ◽  
Fusion Reactor ◽  
Inertial Confinement ◽  
First Wall ◽  
Generation System ◽  
Confinement Fusion ◽  
Power Generation System ◽  
Plant Efficiency ◽  
Cooling Model

In this study, the series cooling model and the parallel cooling model of inertial confinement fusion reactor were used as a heat source for driving the MHD/Gas Turbine combined power generation system. This reactor is designed with the first wall and the blanket, which are used to collect the products of fusion reactions (including X-ray, charged particles, and neutrons) and to convert the fusion energy into thermal energy. In the series cooling model, the coolant after being heated in the blanket is re-heated again in the first wall, therefore, > 2000 K working gas can be obtained. In the parallel cooling model, 1300-1700 K working gas was extracted from the blanket for driving the Gas Turbine cycle and high temperature 2000-2400 K working gas can be extracted from the first wall for driving the MHD cycle. The system using the series cooling model reached a highest plant efficiency of 58.34 per cent whereas the system using the parallel cooling model reached a highest plant efficiency of 57.49 per cent. It was found that the enthalpy extraction and the first wall output temperature both affected the fusion output power, therefore, the plant efficiency was greatly affected by these factors. With the increase of reactor output temperature, the plant efficiency increased, however, because of the temperature limitation of the Gas Turbine and blanket, an output temperature > 2400 K from reactor cannot be used.

Study on the High Efficiency Closed Cycle Gas Turbine System

2001 ◽  
Author(s):  
Eiichi Koda ◽  
Toru Takahashi ◽  
Kazuo Uematsu ◽  
Hideaki Sugishita ◽  
Katsuya Yamashita ◽  
...  
Keyword(s):  
Power Generation ◽  
High Efficiency ◽  
Early Stage ◽  
Maximum Temperature ◽  
Target System ◽  
Pure Hydrogen ◽  
Closed Cycle ◽  
Generation System ◽  
Generation Efficiency ◽  
Power Generation System

In WE-NET project Phase I Program, the power generation system with more than 60%(HHV) thermal efficiency had been designed. However, because this system must be fueled by pure hydrogen, commercialization of this system in early stage is thought to be difficult. Therefore, the new project, in which the natural gas fueled system is targeted, has been started since FY1999. In this project, the power generation efficiency is aimed to be 60%(HHV) or higher, with turbine inlet maximum temperature of 1973K. In this report, the feature of the target system is explained at first. Then, the sensitivities of many parameters are examined in detail.

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