OpenFoam script He jet in Air 2SLM 1mm

See readme.md Case for the simulation of 2 SLM laminar Helium gas jet injected in air implementing the contribution of Dufour effect heat transfer.详见readme.md文件。本案例针对喷射至空气中的两束空间光调制器（Spatial Light Modulator）层流氦气射流开展数值模拟，模拟过程中考虑了杜福尔效应（Dufour effect）的传热贡献。