Kimunguyi, Kiliswa Josephs2017-06-022017-06-022016-10http://ir-library.ku.ac.ke/handle/123456789/17615A Thesis submitted in fulfillment of the requirements for the award of the degree of Doctor of Philosophy in Applied Mathematics in the school of Pure and Applied Sciences of Kenyatta University. October, 2016enA numerical investigation of turbulent natural convection in a 3-d enclosure using k-w SST model and piso methodThesis