03165nas|a2200397 i 4500 20260817163830.0 261198s1987 th uzm rtt 00| a1eng d .b10101263 AIT RSPR no. ET-87-16 Yee, Yew Seng Augmentation of heat transport by using fluidized particles Bangkok : Asian Institute of Technology, 1987 67 p. Research studies project report ; no. ET-87-16 A research study (6 credits) submitted in partial fulfillment of the requirement for the degree of Master of Engineering, School of Environment, Resources and Development Research Studies Project Report (M. Eng..) - Asian Institute of Technology, 1987 The concept of utilizing fluidized beds of granular particles in heat exchangers as a means of preventing scale formation in contaminated waters has been investigated. With the bed maintained on the contaminated water side of the heat exchanger, the tube surfaces have been found to remain free of scale throughout in the range being studied. Chemically treated water is used in the experiments to promote rapid fouling. One group of chemicals used comprises calcium chloride, sodium chloride and sodium bicarbonate . Another group of chemicals used comprises calcium carbonate, calcium sulphate and sodium bicarbonate. Experiments are conducted on vertical model fluidized bed heat exchanger having sand of different sizes: 0. 356 mm, 0. 675 mm and 0 . 925 mm. By varying the flow rate of hot water in the inner pipe, the overall heat transfer coefficient within the range tested are 2. 75, 1. 35 and 1. 27 KW/m2 ° C for the 0. 356 mm, 0. 675 mm and 0. 925 mm sand bed respectively. Heat transfer coefficients are high due to the presence of the bed particles. In tests on double pipe heat exchanger, moderate fouling occurs on the heat transfer surface after a running period of 50 hours accom~any by a reduction in heat transfer coefficient. No fouling occurs on the fluidized bed heat exchanger during the test period. Heat Transmission Fluidization Bhattacharya, Sribas C., Chairperson Lasnier, France, Examination Committee Vigneswaran, Saravanamuthu, Examination Committee Canadian International Development Agency, Scholarship Donor Asian Institute of Technology. Research studies project report ; no. ET-87-16 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B19001 .b10101263 mnait y 240411 2 951012 m a y 0 mnait mnarc 22 40 Barcode : 30050120614739 CREATED : 2012-10-10 RECORD # : i12703771 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050160016043 CREATED : 2016-03-31 RECORD # : i12916997 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 9927 9927 0 0 0 0 MAIN MAIN mnait 2026-08-17 0 AIT RSPR no. ET-87-16 30050120614739 2026-08-17 16:38:30 3 2026-08-17 22 0 0 0 0 MAIN MAIN mnarc 2026-08-17 0 AIT RSPR no. ET-87-16 30050160016043 2026-08-17 16:38:30 2026-08-17 40