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The last edit to this post was made by Zaihui Kangqiao on 2015-9-22 at 10:43. The Chemical Engineering Theory section is now launching a \"One Question per Day\" activity aimed at helping everyone reinforce their basic knowledge in chemical engineering. Subsequent series such as \"Chemical Engineering Principles\", \"Mass Transfer and Separation\", \"Chemical Engineering Thermodynamics\", and \"Chemical Engineering Processes\" will also be introduced. We hope for your active support! Answers to the questions in the \"One Question per Day\" activity can be viewed directly, and the thread will be closed after 1 day! ! Participation earns 2 wealth points, with an additional 3 wealth points for correct answers~~~ Short answer: In a flowing system, if the flow velocity, pressure, density, etc. of the fluid at a given cross-section change only with __________ and not with __________, it is called steady flow. Location, time
When fluid flows in a pipe, properties such as density, pressure, flow rate, and velocity at any given cross-section vary with position but not with time; such flow is referred to as steady flow.
Location; Time Location ; Time Location ; Time Location ; Time
In a flow system, if the flow velocity, pressure, density, and other properties of the fluid at a given cross-section vary only with position and not with time, it is called steady flow.
It changes only with position, not with time; it is a steady flow.
In a flowing system, if the flow velocity, pressure, density, and other properties of the fluid at a given cross-section change only with ____position____, and not with ____time____, it is referred to as steady flow
In a flowing system, if the flow velocity, pressure, density, and other properties of the fluid at a given cross-section change only with ____position____, and not with _____time____, it is referred to as steady flow
In a flowing system, if the flow velocity, pressure, density, and other properties of the fluid at a given cross-section change only with the ______position____, and not with ___time_______, it is referred to as steady flow.
In a flowing system, if the flow velocity, pressure, density, and other properties of the fluid at a given cross-section change only with the ____position____, and not with _____time____, it is referred to as steady flow.