Chapter 14, Problem 4QAP

Problem 7 Water is flowing in a channel with a rectangular cross-section. The channel has a uniform width of b 10 m, and it is equipped with a broad-crested weir. The height of flow in a channel far upstream of the weir is h₁ 2 m, while the weir is == hweir = 0.8 m above the bed of the channel. = 1. Assuming the flow over the weir is critical, calculate the flow rate in the channel by iteratively solving for the critical depth he. Perform at least 3 iterations. Did the flow rate converge? 2. Given the water depth immediately downstream of the weir is 90% of the critical depth hc, what is the water depth after the flow experiences a hydraulic jump further downstream? 3. How much energy is dissipated by the hydraulic jump? h₁ hweir Figure 7: A subcritical flow goes over a broad-crested weir, and it experiences a hydraulic jump downstream of the weir. Figure not to scale.

Auto Controls   Design a PID controller for thefollowing system so that the modified system satisfies the followingspecifications : 1. settling time ,ts = 1.96 s and % Overshoot Mp = 70.7 %   Assume a non-dominant pole at  s = -15 to solve the problem     The plot the compensated andThen plot the uncompensated system in MATLAB.   what can you see from the plot ? what is your observation ?

Fourth year Monthly exam\3 2024-2025 Power plant Time: 1 Hr Q1. A gas turbine power plant operates on a modified Brayton cycle consisting of two-stage compression with intercooling to the initial temperature between stages, two-stage expansion with reheating to the maximum cycle temperature, and two regenerative heat exchangers. The following data is given: Inlet air temperature: 300 K Maximum cycle temperature: 1400 K Pressure ratio across each compressor stage: 4 Pressure ratio across each turbine stage: 4 Isentropic efficiency of compressors and turbines: 85% Effectiveness of each regenerator: 80% a) Draw a schematic and T-s diagram of the cycle. b) Determine the thermal efficiency of the cycle. c) Calculate the net specific work output (in kJ/kg). d) Discuss the impact of regenerators on the cycle performance. Examiner Prof. Dr. Adil Al-Kumait

Calculate the thickness of the square mica plates (in ft), having an area of 0.01 sq. is falling at a velocity of 5.0 cm through oil with a density of 55 lb/cu ft and with viscosity of 15 centipoise. The specific gravity of the mica is 3.0. Assume that the particle velocity reaches its maximum and so it becomes cement was, and stokes law applies.

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Auto Controls The figure is a schematic diagram of an aircraft elevator control system. The input to the systemin the deflection angle of the control lever , and the output is the elevator angle phi.show that for each angle theta of the control lever ,there is a corresponding elevator angle phi. Then find Y(s)/theta(s) and simplify the resulting transfer function . Also note from the diagram that y and phi is related

Calculate the thickness of the square mica plates (in ft), having an area of 0.01 sq. is falling at a velocity of 5.0 cm through oil with a density of 55 lb/cu ft and with viscosity of 15 centipoise. The specific gravity of the mica is 3.0. Assume that the particle velocity reaches its maximum and so it becomes cement was, and stokes law applies.

masonry works

checkpoint exercice for my students for Amortized Analysis