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At present, some renewable energy researchers have their attention directed toward the possibilities of harnessing the tornado energy concept by creating an artificial vortex utilizing solar energy for electrical power generation. Given this concept trend, a new Solar Vortex Engine (SVE) was proposed, designed, and simulate at the University of Technology – Iraq (UOT). In this paper, a computational simulation was used in the ANSYS 2020 R1 program to simulate the influence of solar intensity on the vortex updraft velocity generated. Initial boundary parameters have been included for SVE geometry, intake velocity, and different solar radiation (400, 700, and 1000) W/m2, while the outlet parameter is listed as a vortex updraft velocity. The CFD results and validation showed the direct effects of radiation concentration on the air velocity of the ascending vortex, which increased by 37% when the solar intensity went from 400 W/m2 to 1000 W/m2. [ABSTRACT FROM AUTHOR]