option A is correct
8) A turbine uses water from a dam whose surface is 85 meters above the turbine...
Mechanical Energy Consider the dam shown below operating under the following conditions: value parameter turbine inlet area 6 m2 turbine inlet depth 100 m 9 m2 turbine outlet area turbine outlet depth 20 m 700 m3/s dam volumetric flow rate 85 m water elevation change across dam in out Calculate the change in the water's mechanical energy across the dam 1. with your system defined as the turbine, and 2. your system surrounding turbine and coincident with the water surface...
1. The Davis Dam was constructed 67 miles downstream from the Hoover Dam. The reservoir formed by the dam is called Lake Mohave. The reservoir has a total storage capacity of 1,818,300 acre-feet. Given the average head of the reservoir is 136 feet, determine the potential energy of the water in the reservoir. 2. When the effective head of water behind the Davis Dam is 41 meters, a penstock 22 feet in diameter will flow 42,000 gallons of water per...
A combined cycle gas turbine/vapor power plant uses the turbine exhaust as the energy source for the boiler. Each power system uses a single turbine. The gas power system is modeled as an ideal air-standard Brayton cycle. The vapor power system is modeled as an ideal Rankine cycle. Given specific operating conditions determine the temperature and pressure at each state, the rate of heat transfer in the boiler, the power output of each turbine, and the overall efficiency. --Given Values--...
A micro hydro turbine is used to generate hydroelectric power by letting liquid water from a high elevation run through the turbine to a low elevation. The turbine is under a steady state operation condition. The inlet water and outlet water are at elevations of 10 m and 2 m, respectively. The inlet and outlet diameters are 0.3 m and 0.5 m, respectively. The inlet pressure is 2.5 bar and the outlet pressure 1 bar. The inlet and outlet temperatures...
water 248 m 945 ml 2 Water Pipe GENERATOR TURBINE 1) A dam in somewhere with a height of 248 m, is one of the tallest dam in the world. Water flows with a volumetric flow rate of 65 m'ls to a turbine, where electric power is generated. The total irreversible head los in the piping system from point 1 to point 2 (excluding the turbine unit) is determined to be 95 m. The pressure difference due to elevation cannot...
A hydro power station uses Pelton turbine to generate power from a water body behind a dam which has the height of 40 m. (a) Estimate the maximum jet speed to be used to drive the Pelton turbine. (b) The height of the dam water remain constant as a results of a river, with flow rate of 500 m3 s −1 , flowing into the dam reservoir. Estimate the power generating capacity of this river-dam configuration
Problem 4: Water is being discharged from a reservoir through a turbine, as shown in figure below. The head loss for the 300-mm pipeline is 0.05 m/m (0.05 m per meter of pipe), and it is 0.0017 m/m for the 600-mm pipe a) Determine the elevation of the water surface in the reservoir that should be required in order for the turbine to generate 56 kW of power b) What would be the water elevation required in the reservoir if...
Problem 1 - Gas Turbine Engine. Assume the gas turbine engine operates on basic non-ideal Brayton cycle with the following specifications Inlet Condition: Dry air at 537 R and 14.7 psia Pressure Ratio: 24.2 Actual Exhaust Temperature: 950 F Compressor and Turbine Efficiency: 85% Actual Power Output 34 MW Using given/assumed values, determine: a) firing temperature, b) cycle efficiency, c) air mass flow rate. Problem 2- HRSG. Assume the HRSG is used to produce saturated steam at 600 psia using...
Water from a large tank is used to generate electricity by installing a hydraulic turbine- generator at 100 m down from the water surface as shown in Figure QS. The water is supplied to the turbine at a rate of 2000 kg's. If the mechanical power input of the turbine is 1800 kW and the generator efficiency is 80%, determine the percentage reduction of efficiency between generator alone and combination of turbine-generator Consider the water density as 1000 kg/m (7...
2 Underground water is to be pumped by a 80 percent efficient 10-kW submerged pump to a pool whose free surface is X m above the underground water level (see Figure 2). The diameter of the pipe is 10 cm on the intake side and 8 cm on the discharge side. Determine (a) the maximum flow rate of water and (b) the pressure difference across the pump. Assume the elevation difference between the pump inlet and the outlet and the...