Source: http://fluvial.joewheaton.org/assignments/readingfortuesdayfebruary8th
Timestamp: 2019-04-19 16:37:16+00:00

Document:
This is from the Fluvial Hydraulics Class... edit as you see fit.
Lecture on Tuesday will cover Chapter 8 mainly, on 'Energy & Momentum Principles', but we will briefly run through some of Chapter 7 on 'Forces and Flow Classification.' You should skim all of Chapter 7, but don't spend more then 15 minutes reading it. Dingman (2008) provides this chapter so that you have a conceptual appreciation of all the potential driving and resisting forces that can act on a fluid flow at different scale. We've actually already discussed much of this material, but here he gives you an appreciation for how to estimate the relative magnitude of such forces so you can decide whether or not they are important or negligible for a given flow problem. If they are negligible, we can simply our force balance accordingly. The most important sections of Chapter 7 you should focus on are §7.0, §7.1 (Force Classification & Overall Force Balance... particularly Table 7.1) and §7.6 (Force Ratios and the Reynolds and Froude Number). In particular, make sure you understand §7.6 for lab on Thursday.
Chapter 8 picks ups on Energy and Momentum principles covered in Chapter 4. We integrate both the energy and momentum equations so that we can apply them to highly simplified, macroscopic one-dimensional steady flows. We will see on Thursday how these representations are useful in the simplified flume setting in lab. However, it will not be until Chapters 9-11 and our hydraulic modeling labs that we learn how to apply energy and momentum relations in a form that is more useful for looking at flow in natural channels.
This lecture will start on Tuesday and extend into Thursday if Needed (e.g. §8.2 and/or §8.3).

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