Al-Khawarizmi Engineering Journal (KECBUJ) is publishing by the AL-Khwarizmi college of Engineering ? University of Baghdad. KECBUJ is open access; peer reviewed and published quarterly online and in print version. Manuscripts may be submitting in English or Arabic language. KECBUJ is devoted to the publication of high quality scientific papers on theoretical as well as practical developments in all areas of Engineering and Technology that has not previously been published and not been submitted for publication elsewhere in any format and that there are no ethical concerns with the contents or data collection. At least two referees, who known scholars in their fields, evaluate each paper.