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首页> 外文期刊>Plasma and Fusion Research >Environmental and Economical Assessment of Various Fusion Reactors by the Calculation of CO2 Emission Amounts
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Environmental and Economical Assessment of Various Fusion Reactors by the Calculation of CO2 Emission Amounts

机译：通过计算二氧化碳排放量对各种聚变反应堆进行环境和经济评估

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We compared the CO2 emissions of several fusion reactors. The magnetic confinement systems evaluated here are the tokamak reactor (TR), helical reactor (HR), and spherical tokamak reactor (ST). These models are calculated by the Physics-Engineering-Cost (PEC) code. The inertial confinement fusion reactor (IR) is also evaluated, assuming its driver energy and driver efficiency. In addition, different blanket modules and fuels are considered in the TR designs. To calculate life-cycle CO2 emission from fusion reactors defined by plasma parameters and radial build, we used a basic unit for CO2 weights (kt-CO2/t-material). Calculation results indicate that CO2 is emitted mainly in the construction stage of superconducting magnet systems for magnetic confinement fusion reactors. For the IR design, the driver system construction and pellet fabrication stages involve considerable CO2 emission. By comparing fusion reactors with other electric power generation systems in terms of CO2 emission, we confirmed that fusion reactors emit less CO2. Therefore, introducing a carbon tax has little effect on the economics of fusion reactors, and the cost of electricity (COE) from fusion reactors might be lower than that of oil-fired electric power plants when a carbon tax of around several hundred yen/t-CO2 is introduced.
机译：我们比较了几个聚变反应堆的CO 2 排放。此处评估的磁约束系统是托卡马克反应堆（TR），螺旋反应堆（HR）和球形托卡马克反应堆（ST）。这些模型是通过物理工程成本（PEC）代码计算的。假设惯性约束聚变反应堆的驱动能量和驱动效率，也可以对其进行评估。此外，TR设计中考虑了不同的橡皮布模块和燃料。为了计算由等离子体参数和径向构造定义的聚变反应堆的生命周期CO 2 排放，我们使用了一个基本单位表示CO 2 的权重（kt-CO 2 / t-material）。计算结果表明，CO 2 主要在磁约束聚变反应堆超导磁体系统的构造阶段释放。对于红外设计，驱动器系统的构建和造粒阶段涉及大量的CO 2 排放。通过比较聚变堆与其他发电系统的CO 2 排放，我们确认聚变堆排放的CO 2 较少。因此，征收碳税对聚变反应堆的经济影响很小，当碳税约为数百日元/吨时，聚变反应堆的电成本（COE）可能比燃油发电厂的成本低。引入-CO 2 。

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