In some western states, water for mining and irrigation was sold by the “miner’s inch,” the rate at which water flows through an opening in a vertical plank of 1 in. 2 area, up to 4 in : tall, under a head of 6 to 9 in. Develop an equation to predict the flow rate through such an orifice. Specify clearly the aspect ratio of the opening, thickness of the plank, and datum level for measurement of head (top, bottom, or middle of the opening). Show that the unit of measure varies from 38.4 (in Colorado) to 50 (in Arizona, Idaho, Nevada, and Utah) in units of miner’s inches per ft 3 /s.
In some western states, water for mining and irrigation was sold by the “miner’s inch,” the rate at which water flows through an opening in a vertical plank of 1 in. 2 area, up to 4 in : tall, under a head of 6 to 9 in. Develop an equation to predict the flow rate through such an orifice. Specify clearly the aspect ratio of the opening, thickness of the plank, and datum level for measurement of head (top, bottom, or middle of the opening). Show that the unit of measure varies from 38.4 (in Colorado) to 50 (in Arizona, Idaho, Nevada, and Utah) in units of miner’s inches per ft 3 /s.
In some western states, water for mining and irrigation was sold by the “miner’s inch,” the rate at which water flows through an opening in a vertical plank of 1 in.2 area, up to 4 in: tall, under a head of 6 to 9 in. Develop an equation to predict the flow rate through such an orifice. Specify clearly the aspect ratio of the opening, thickness of the plank, and datum level for measurement of head (top, bottom, or middle of the opening). Show that the unit of measure varies from 38.4 (in Colorado) to 50 (in Arizona, Idaho, Nevada, and Utah) in units of miner’s inches per ft3/s.
SUPPLEMENTARY QUESTION
The figure shows two reservoirs connected by a pipe. The discharge rate in the pipe is known to
be equal to SN/100 (m2/s) (where SN is the sum of your student number).
Calculate the height of the second reservoir (H2), and the pressure head, velocity head and
elevation head at point 3 (mid-point of the pipe).
HI 300 m
H2
datum
A = SN/1000
L = 100 x SN (m)
D 0.3 m
Please solve these question my sn number 31
Please help me with this problem clearly.
List two sources of error in the water-filled tube and pressure gauge method of measuring head for a hydro system and how to avoid them. Using this method, a series of measurements up a hill to the source of the stream produces the following heights: 1.5m, 0.7m, 1.0m, 1.9m, 1.6m, 0.3m, and 0.8m. What is the total head for this site? If the flow rate was 0.5 m3s-1, calculate the power available in this stream?
1. Solve and draw the
figures
İ. An oil of sp. gr. 0.9 is flowing through a venturimeter having inlet diameter 20 cm and throat diameter
10 cm. The oil-mercury differential manometer shows a reading of 20 cm. Calculate the discharge of oil
through the horizontal venturimeter. Take C, = 0.98.
ii. A horizontal venturimeter with inlet diameter 30 cm and throat diameter 15 cm is used to measure the flow
[Ans. 59.15 litres/s]
of oil of sp. gr. 0.8. The discharge of oil through venturimeter is 50 litres/s, find the reading of the oil-
mercury differential manometer. Take C = 0.98.
iii. A horizontal venturimeter with inlet diameter 20 cm and throat diameter 10 cm is used to measure the flow
of water. The pressure at inlet is 14.715 N/cm² and vacuum pressure at the throat is 40 cm of mercury. Find
the discharge of water through venturimeter.
[Ans. 2.489 cm]
[Ans. 162.539 lit./s]
Chapter 8 Solutions
Fox and McDonald's Introduction to Fluid Mechanics
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
8.01x - Lect 27 - Fluid Mechanics, Hydrostatics, Pascal's Principle, Atmosph. Pressure; Author: Lectures by Walter Lewin. They will make you ♥ Physics.;https://www.youtube.com/watch?v=O_HQklhIlwQ;License: Standard YouTube License, CC-BY