Cu06997 computation lecture3
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The document calculates the difference in pressure between two points in a pipe with different diameters but constant flow rate, assuming no energy loss. It shows that with a diameter of 0.15m the pressure is 3.14m and with a diameter of 0.3m the pressure is 0.2m, giving a pressure difference of 2.94m. It then repeats the calculation with the diameters reversed, giving a pressure difference of -2.94m.
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Cu06997 lecture 6_exercises
- The document contains examples of calculating head loss and pressure differences in pipes due to changes in diameter or flow rate.
- In example 1, the slope of a pipe needed to be calculated to maintain equilibrium based on a given flow rate, diameter, and friction coefficient.
- Example 2 involves calculating the head loss and pressure difference across a sudden enlargement in pipe diameter.
- Example 3 is similar but calculates values for a sudden contraction in pipe diameter.
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Cu06997 lecture 4_answer
1. The flow between points P1 and P2 is steady, non-uniform flow since the water depth changes along the length of the ditch but the discharge is constant.
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Here are the steps to solve this problem using Pascal's law:
1) Wall AB and CD are both vertical surfaces with an area of 2.44 m x 5 m = 12.2 m^2
Pressure at the bottom is due to a water column of 5 m
Pressure = Density x Gravity x Height = 1000 x 10 x 5 = 50,000 N/m^2
Force on wall AB/CD = Pressure x Area = 50,000 x 12.2 = 610,000 N
2) Bottom BC is a horizontal surface with an area of 2.44 x 5 = 12.2 m^2
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1) Wall AB and CD are both vertical surfaces with an area of 2.44 m x 5 m = 12.2 m^2
Pressure at the bottom is due to a water column of 5 m
Pressure = Density x Gravity x Height = 1000 x 10 x 5 = 50,000 N/m^2
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Research portfolio delta_academy_s2_2014_2015
Every semester the 4 research groups of the Delta Academy offer research possibilities for internships, final thesis and Minor. The document (also in English) shows the assignments for the second semester of study year 2014/2015.
Research portfolio da arc 2014-2015 s1
This document provides a summary of research projects conducted by the Delta Academy Applied Research Centre between September 2014 and January 2015. The research was divided among four main research groups: Aquaculture in Delta Areas, Building with Nature, Water Technology, and Water Safety & Area Development. The projects covered a wide range of topics including algae cultivation, shellfish feeding, bioremediation, coastal ecosystem restoration, wastewater reuse, community resilience, and water management in the Dutch delta region.
Research portfolios1 2013_2014 jan july 2014
Mindert de Vries (mindert.devries@hz.nl)
FEEDING TRIALS OYSTERS
The quality of algal biomass as feed for shellfish is dependent on the cultivation parameters. In order to
determine the effect of algal quality on shellfish growth and condition, feeding trials with oysters using
algae cultivated under different parameters are needed. In cooperation with the algae research a set of
feeding trials will be designed and executed. Growth and condition parameters of the oysters will be
determined. This will give insight in the effect of algal quality on shellfish production parameters.
Research type: experiments (HZ, Vlissingen)
Research level: minor
Vision group1(5)
This document outlines a vision and action plan for sustainable development along the Guadalete river basin in Spain. It discusses objectives in areas like water quality, water quantity, ecosystem management, and economic development. It proposes various measures like improving wastewater treatment, promoting renewable energy, education initiatives, green infrastructure projects, sustainable tourism, and balancing economic and natural resource goals. Stakeholders are grouped according to their priorities and the plan identifies both short and long term actions needed to achieve an integrated approach to river management.
Final presentation spain quattro
This document discusses plans for sustainable management of the Guadelete River basin in southern Spain. It envisions transitioning the region away from traditional agriculture and overdevelopment towards more sustainable practices like aquaculture, eco-tourism, and sustainable agriculture/aquaculture. Specific measures proposed include improving wastewater treatment, promoting sustainable farming techniques, developing rural hotels and tourism activities centered around the river, and restoring abandoned salt marshes to create jobs and biodiversity. Stakeholders like universities, NGOs, and different levels of government would need to cooperate to achieve this sustainable vision for the river basin.
Final presentation group 3
The document outlines a plan to improve the Guadalete river basin in Spain by 2030. The vision is for the river basin to have good water quality, sustainable industries, increased environmental awareness, good management, and a high quality of living. Several objectives are identified, including sustainable development, increasing public awareness, and improving water quality and management. Specific measures and timelines are proposed to achieve these objectives, such as improving wastewater treatment plants, sewage systems, and increasing taxes from industries and tourism to fund improvements. Educational programs for local schools are also described to increase environmental awareness among residents.
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Cu06997 computation lecture3
- 1. Assume no energie loss, calculate difference in pressure D=0,15 m D=0,30 m Q=140 l/s
- 7. Solution u2/2g=3,14 m u2/2g=0,20 m ∆p=3,14 – 0,20 = 2,94 m D=0,15 m D=0,30 m Q=140 l/s
- 8. Assume no energie loss, calculate difference in pressure D1=0.3m D2=0.15m Q=0.14 m3/s
- 10. Solution u2/2g=0,20 m u2/2g=3,14 m ∆p=0,20-3,14 = -2,94 m D1=0.3m D2=0.15m Q=0.14 m3/s