000			03028nam a2200397 4500
005			20260818134019.0
008			070198 th eng
035			_a.b10342011
099		9	_aAIT Thesis no. 739
100	1		_aHabibullah, S. A. M.
245	1	0	_aHydraulic model for steady non-uniform flow in straight channel
260			_aBangkok : _bAsian Institute of Technology, _c1975
300			_a84 p.
490	1		_aThesis ; _vno. 739
500			_aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand.
502			_aThesis (M.Eng.) - Asian Institute of Technology, 1975
520			_aA theoretical study of hydraulic model for steady non-uniform flow was carried out in this research. The study was restricted to straight channel only of rectangular and trapezoidal or nearly trapezoidal cross-section. The study revealed that un-distorted scale (br dr ) model for non-uniform flow at a design discharge (Q) can be simulated the proto-type but with a distorted scale (b J d ) model the to results are erroneous. To overcome this unsafe situation situation two methods have been suggested; use a model with composite roughness (n ,nb ), or adjust the results with correction factor. These s ,m ,m two methods are found to be valid also for the case of discharge (Qry other than design discharge (Q). The study also considered the case of uniform flow at other discharges and it was observed that with a distorted scale model, the same problem arises as in the case of non-uniform flow. This situation can also be improved with the above two methods. However, it was noticed that model for channel of exponential cross-section is not affected by the distortion of scale under any kind of flow, uniform or non-uniform, and at any discharges (Q or Q'). To varify the theoritical consideration many numerical examples have been considered and a limited laboratory experiment was carried out.
650		0	_aHydraulic models
650		0	_aChannels (Hydraulic engineering)
700	1		_aKinori, Ben-Zion, _eChairperson
700	1		_aIgai, Shi, _eExamination Committee
700	1		_aAckermann, Norbert L., _eExamination Committee
710	2		_aGovernment of British Columbia, _eScholarship Donor
810	2		_aAsian Institute of Technology. _tThesis ; _vno. 739
856			_3Full-Tex _uhttp://203.159.5.9/ait-thesis/detail.php?q=B23993
907			_a.b10342011 _bmnait _cx
902			_a260427
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