Open Flow Lab Report

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CEE 313L HYDRAULICS LABORATORY

EXPERIMENT NUMBER:
TITLE:
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Date Performed:
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TECHNICAL WRITING GRADE: ______/110
REPORT GRADE: _____/110
GRADE: ____/160

Hydraulics Laboratory
Table of Contents
Objective 1
Results 2
Discussion 4
Summary and Conclusion 5
Works Cited 5
Appendix 5
Data Sheet 6
Sample Calculations 7

Objective
The purpose of this laboratory was to familiarize students with the concepts of open flow channel. In this case, the principles of fluid mechanics were applied in the study triangular and rectangular weirs.

Results As shown in the table below, a reduction in manometer reading corresponds to a decrease in the value of μ. In a similar fashion, the % θ also decreases …show more content…

Ordinarily, an increase in depth resulted into a corresponding increase in the channel flow. Equally important, the log paper was valuable to plotting the power function (i.e. Q = a[H]b) on a straight line. The percentage error in the experiment was 7.21%. Since the value is negligible, it can be concluded that the sources of errors were minimal.
Summary and Conclusion In a nutshell, the lab managed to meet its sole objective. However, systematic errors occurred during the experiment. These errors can be minimized by making sure that the orifice meter is calibrated accurately.

References
Cochard, Hervé. "The Basics of Plant Hydraulics." JPH 1 (2014): 001. Web.
Mitchell, Patrick J. and Dale Worledge. "Fine-Scale Mapping of Sapwood Anatomical Properties Reveals Plasticity in Hydraulics During Water Deficit." JPH 2 (2015): 003. Web.
Tanaka, Gaku. "Hydraulics education for beginners." Journal of Japan Society of Civil Engineers, Ser. h (engineering education and practice) 1 (2009): 85-93. Web.
Appendix
Copy of Original Data from the Lab
Weir % θ μ L (inches) w θ (degrees) Manometer reading
Triangle 100 12 21.25 90 6.0 120.9 4.75 757 108.3 4.5 595 97.7 4.325 488 87.3 4.25 393 78.5 4.0 309 70.3 3.75 252 63.3 3.625 211
Rectangle 100 21 122.7 3.0

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