what is the difference between upstream and downstream flow?
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It's not unusual to hear people involved in production make frequent reference to "upstream" and "downstream" parts of the process. Upstream refers to the material inputs needed for production, while downstream is the opposite end, where products get produced and distributed.
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When you fork a repository, you create a copy of the original repository (upstream repository) but the repository remains on your GitHub account. Whereas, when you clone a repository, the repository is copied on to your local machine with the help of Git.
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From the provider to the customer. Downloading files and Web pages from the Internet is the downstream side. The upstream is from the customer to the provider (requesting a Web page, sending email, etc.).
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When heat exchangers are horizontal, the flow is unaffected by gravity and flows only due to pressure difference. In vertical or inclined flow, gravity is an acting party and thus, flow is comparatively faster. This gives comparatively greater amount of time for heat exchange which gives better results.
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What's the difference between flow separation and boundary layer separation? ... The fluid flow gets tired out and detaches out from the surface of the object forming eddies. Boundary layer separation is the detachment of the boundary layer from the surface, the point where the shear stress is zero.
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The laminar boundary is a very smooth flow, while the turbulent boundary layer contains swirls or "eddies." The laminar flow creates less skin friction drag than the turbulent flow, but is less stable.
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The main difference between the flow control and error control is that the flow control observes the proper flow of the data from sender to receiver, on the other hand, the error control observes that the data delivered to the receiver is error free and reliable.
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Please enable Javascript. Remember, a dead fish can float downstream, but it takes a live one to swim upstream.
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An easy way to describe it would be, water flow is how MUCH water flows down a faucet, and water pressure is how HARD the water falls down the faucet.
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The advantage of each also has some possible disadvantages. For example if you block a river with a dam you change the way the river will allow fish to migrate upstream, the flooding downstream that used to provide nutrients to fields along the river is less likely (this can be either and advantage or disadvantage).
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What is the difference between a River Basin and a Watershed? ... In a river basin, all the water drains to a large river. The term watershed is used to describe a smaller area of land that drains to a smaller stream, lake or wetland. There are many smaller watersheds within a river basin.
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While diverters switch the flow of water between a tub and shower, transfer valves allow for the flow of water to be sent to multiple outlets at the same time. ... While transfer valves generally only allow you to use one or two components at a time, some valves allow for more than two components.
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As nouns the difference between pipe and penstock is that pipe is (lb) wind instrument while penstock is a sluice or pipe which allows the controlled flow of water from behind a dam, typically routing it to a turbine of a power plant.
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Steady vs unsteady flow A flow that is not a function of time is called steady flow. Steady-state flow refers to the condition where the fluid properties at a point in the system do not change over time. Time dependent flow is known as unsteady (also called transient).
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What is the difference between “Redirection” and “Pipe”? ... Redirection is used to redirect the stdout/stdin/stderr, e.g. ls > log. txt . Pipes are used to give the output of a command as input to another command, e.g. ls | grep file.
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4 Answers. A Stream supports several operations and these operations are divided into intermediate and terminal operations. The distinction between this operations is that an intermediate operation is lazy while a terminal operation is not.
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In hydrology, a mainstem (or trunk) is "the primary downstream segment of a river, as contrasted to its tributaries". Water enters the mainstem from the river's drainage basin, the land area through which the mainstem and its tributaries flow. A drainage basin may also be referred to as a watershed or catchment.