The present research benefits from finite volume method to investigate the influence of combined tabulator on the thermal and hydraulic exergy of a parabolic solar collector which hybrid 2-phase MWCNT-Cu/water nanofluid passed in. All the parabolic geometries are produced in design modeler software. Furthermore, FLUENT software that is equipped with SIMPLE algorithm is applied for the analysis of the performance of thermal and hydraulic, and exergy efficiency. The eulerian-eulerian multiphase model and k-ω were opted for simulating 2-phase the hybrid MWCNT-Cu/water nanofluid and turbulence model in the collector. The research was analyzed in torsion ratios from 1 to 4, Re numbers from 6000 to 18000 (turbulent flow), and the volume fraction of nanofluid to 3%. The numerical outcomes confirm that the most heat transfer and lowest pressure drop is relevant to Re number of 18000, the nanofluid volume fraction of 3%, and torsion ratio of 4. Furthermore, in all torsion ratios, rising Re number and volume fraction lead to more exergy efficiency. The maximum value of 26.32% in the exergy efficiency was obtained at a volume fraction of 3%, Torsion ratio of 3, as the Re number goes from 60000 to 18000.

中文翻译：

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组合湍流器对抛物面太阳能集热器中多壁碳纳米管-铜/水纳米流体的水热性能和火用效率的影响：数值方法

本研究受益于有限体积方法来研究组合制表器对混合两相多壁碳纳米管-铜/水纳米流体传入的抛物线太阳能集热器的热能和水力火用的影响。所有抛物线几何形状均在设计建模软件中生成. 此外，配备了SIMPLE算法的FLUENT软件被应用于热力和水力性能以及火用效率的分析。选择欧拉-欧拉多相模型和 k-ω 来模拟两相混合 MWCNT-Cu/水纳米流体和收集器中的湍流模型。研究分析了扭转比从 1 到 4，Re 数从 6000 到 18000（湍流），以及纳米流体的体积分数为 3%。数值结果证实，最大的传热和最低的压降与 18000 的 Re 数、3% 的纳米流体体积分数和 4 的扭转比相关。此外，在所有扭转比中，Re 数和体积分数的增加导致更高的火用效率。当 Re 数从 60000 到 18000 时，在体积分数为 3%、扭转比为 3 时获得了 26.32% 的最大值。