| Author | Suvit Siriyong |
| Call Number | AIT Thesis no. 277 |
| Subject(s) | Jets--Fluid dynamics
|
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in the Asian Institute of Technology, Bangkok, Thailand |
| Publisher | Asian Institute of Technology |
| Abstract | An investigation was made of the surface disturbance produced by a submerged jet which discharged in a vertical direction towards the free surface of the fluid in which the jet was submerged. Disturbance
heights were investigated and found to be a function of the nozzle size, submergence depth and velocity of the jet at the nozzle. For small submerged depths of the nozzle and small disturbance heights, the Weber
number was found to have a significant effect on the flow phenomenon. When the depth of submergence of the nozzle was small but the disturbance
heights were large the effect of the Weber number was not important and the result could be described using a semi-empirical relationship. When the depth of submergence was large compared to the orifice diameter the disturbance heights could be described using a theory
developed by BANKS (1965). This equation was found to apply when the disturbance height n was less than 5 percent of the depth H of the submerged nozzle. In the present study the disturbance height is defined as the height of the jet, above the undisturbed surface of the water, which is exceeded not more than 1 percent of the time. The relationship between
the disturbance height, defined in this manner, is presented graphically in dimensionless form as a function of other geometric and hydraulic characteristics of the system. Such relationships are also presented using definitions of the disturbance height other than the height which is exceeded only 1 percent of the time. |
| Year | 1969 |
| Type | Thesis |
| School | Student Research Before 1980 |
| Department | Other Field of Studies (No Department) |
| Academic Program/FoS | Thesis (Year <=1979) |
| Chairperson(s) | Ackermann, Norbert L. |
| Examination Committee(s) | Niwat Daranandana ;Arbhabhirama Anat |
| Scholarship Donor(s) | Asian Institute of Technology |
| Degree | Thesis (M. Eng.) - Asian Institute of Technology,1969 |
