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Parametric study and performance assessment of a biomass based alkali metal thermoelectric converter hybrid system

机译：基于生物质基碱金属热电转换器混合系统的参数研究和性能评估

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摘要

A novel system was developed by combining the alkali metal thermal to electric converter (AMTEC) and biomass gasification. The primary purpose of this study was to examine the feasibility of utilizing the emitted gas caused by biomass gasification as the heat source of the AMTEC device. Key features were studied at constant temperatures under the influence of changes in biomass. These studies were performed on the effects of the equivalence ratio and the fuel flow rate of the biomass system on the total output power, efficiency, and effective voltage of the intended AMTEC. Due to coupling circumstances, ER changes were limited between 0.3 and 0.4. The findings revealed that the equivalence ratio affected the output power, efficiency, and total current of the system reversibly while directly impacting the effective voltage. Increasing the fuel flow rate initially enhanced the efficiency and total output power, but they both were reduced above a specific fuel flow rate. A maximum efficiency of 18.5% was obtained at the optimum fuel flow rate of biomass. More tubes in the cell improved the overall performance of the developed system. However, design and construction cost limit the number of tubes. The results obtained reveal the advantages of the hybrid model.
机译：通过将碱金属热电转换器（Amtec）和生物质气化组合来开发一种新颖的系统。本研究的主要目的是检查利用生物质气化引起的发出气体作为AMTEC装置的热源的可行性。在生物质变化的影响下在恒定温度下研究了关键特征。这些研究是对生物质系统的效果和生物量系统的效果对预期AMTEC的总输出功率，效率和有效电压的影响。由于耦合情况，ER的变化在0.3和0.4之间受到限制。结果表明，等效比在直接影响有效电压时可逆地影响系统的输出功率，效率和总电流。提高燃料流量最初提高了效率和总输出功率，但它们两者都减少了高于特定燃料流量。以最佳的生物质的最佳燃料流速获得最大效率为18.5％。细胞中更多的管材提高了发达系统的整体性能。但是，设计和施工成本限制了管数。得到的结果揭示了杂种模型的优点。

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