02501ntm a2200289 a 4500 vtls000093551 KUKTEM 20251117113319.0 160307t2015 my a f 000 0 eng d THE0000998(Local) 201905241622 nazirah 201712041200 huda 201603071146 huda UMP FKKSA .R37 2015 r Bc. Muhammad Rashdan Mohammad Rohizat Case Study on CFD investigation of dense phase pneumatic conveying at a pipeline enlargement / Muhammad Rashdan Mohammad Rohizat Kuantan, Pahang : UMP, 2015 xii, 54 p. : ill. ; 30 cm. + 1 CD-ROM Faculty of Chemical & Natural Resources Engineering Project Paper (Bachelors of Chemical Engineering) -- Universiti Malaysia Pahang – 2015 Bibliography : p. 46-48 Pneumatic conveying is being widely used by industry for their conveying system and the most critical problem that the system has is the corrosion of the pipeline. Some of the many engineers has develop a solution order to reduce the corrosion rate of the pipeline that is to increase the diameter of the pipe with objective to reduce the flow velocities as the flow velocities contribute the most in corroding the pipeline. By using Fluent 6.3.26 simulation program, ‘Eulerian’ Computational Fluid Dynamic (CFD) model, simulating the movement of the particles is possible and by varying the three different pipeline geometry; single bore, abrupt step, and gradual step, constructed using Gambit 2.4.6 from a pipe bore of 75-100 mm. The flow behaviour of plug of material passing through the pipeline is investigated. With 5x10-3 s time step, the solid volume fractions is recorded at 0.01 s of flow time at the point of enlargement and visualised throughout the pipe. Supported by 5 m/s air flow, the plug movement is illustrated showing that there is a potential of stagnant zone formation with the abrupt step enlargement geometry, and on the other hand, the gradual step shows a smooth dispersed particle flow without any potential of stagnant zone formation. Faculty of Chemical & Natural Resources Engineering Dissertations Universities and Colleges Dissertations Theses http://ecollib.ump.edu.my/18428/ Access in library only 0 0 0 1 10000 10000 2019-09-04 0 FKKSA .R37 2015 r Bc. 0000107659 2019-09-04 00:00:00 1 2019-09-04 PSM 0 0 0 1 10000 10000 2019-09-04 0 CD 9592 | FKKSA .R37 2015 r Bc. 0000107660 2019-09-04 00:00:00 1 2019-09-04 PSM VIRTUA40 6563 6569 VTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*5000*5020*5040*5200*6100*6500*6501*8560*9992