Steam Turbine T₁ = 600°C Pi= 20 bar n=10,000 kw T₂=400°C P10 bar V7 1200 K Py = 10 bar www www Heat exchanger Turbine 2 T₁=240°C Pe= 1 bar T₁ = 1500 K 5 Ps= 1.35 bar 1500 kg/min
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- Show all elements of your design including the design calculations for the problem: When heating up a cold stream (5000 kg/h water) from 40ᵒC to 90ᵒC while cooling down a hot stream (5000 kg/h water) from 110ᵒC to 60ᵒC in AES exchangers, how many shells do you need?3. For the gas system power illustrated in Figure 3 (with the air-standard analysis assumptions), calculate thermal efficiency, back work ratio, and Weycle -10 P₁ = 100 kPa T₁ = 350 K Oia Heat exchanger Heat exchanger Qout T₁ - 1500 K Turbine Wycle 1 T₁ - 1500 K p= 1000 kPa p= 100 kPa T₁ = 350 K Figure 3. Operating condition of a gas power system cycle (The P-V and T-S diagram)Air is cooled and dehumidified at constant pressure as shown in the figure below. Heat removed by the cooling coil is 130kW. Find air mass flow rate, air volumetric flow rate, condensation flow rate and sketch al states in a psychrometric diagram . Use AirH20 as the working fluid PLEASE NOTE: T2 has a typo, it should be 16.7 degrees Centigrade, not 16.7 degrees Fahrenheit, and all temperatures should be in Centigrade
- Two AES exchangers in series have trouble heating up a process stream from 50ᵒC to 90ᵒC, and cooling down a hot stream with the same flow rate from 110ᵒC to 70ᵒC. Luckily, there is an abandoned AES exchanger available that has four times the surface of the two existing exchangers, and even better, it has the right material and sufficiently high design P & T, and would fit on the plot space occupied by the existing exchangers. Is replacement a good idea? Please provide all necessary formulas or principles.The condensing pressure for a Rankine engine is 0.001325 MPavac. Calculate the following for steam flow rate = 16.3846 kg/sec of steam when the steam at the beginning of expansion is at 119.6 deg SH and 4.0 Mpaa. Draw the TS and equipment diagrams for the ideal and actual case and find for the following for the ideal case: PV and TS diagrams of the cycle showing ideal and actual process lines Heat rejected at condenser (KJ/sec). Ans.____________________________ Mass of cooling water in kg/sec if cp H2O = 4.18 KJ/kg-K, and inlet temp of water to condenser = 20 deg C, outlet temp is 35 deg C. Ans.___________________________Steam passes steadliy through a turbine and condenser as shown in the figure below. After expanding through the turbine and producing 1000kW of power, the steam is at a pressure of 0.08 bar and a quality of 87.4%; it enters a shell-and-tube heat exchanger where the steam now condenses on the outside of tubes through which cooling water flows; this condensate continues to flow, finally exiting as saturated liquid at 0.08 bar. The mass flow rate of the condensing steam is 58kg/s, In order to condense the steam, cooling water enters the tubes at 15°C and flows as a separate stream to exit at 35°C with negligible change in pressure. Stray heat transfer is negligible as are kinetic and potential effects. Considering the steam inside the turbine as a system, is the system best described as open, closed or isolated? What is the mass flow rate of steam entering the turbine in kg/s? What is the enthalpy at the inlet of the turbine in k/kg? What is the mass flowrate of the cooling water in kg/s?…
- #2 Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown in the figure below, where the air stream mass rate m'5 ranges from 1500 kg/min to 3500 kg/min in increments of 500 kg/min and Wt1= 10,000 kW,. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. Steam in 1500 kg/min 2000 kg/min 2500 kg/min Mass Rate of Air M5 in kg/min 3000 kg/min 3500 kg/min Turbine T₁ = 600°C P₁ = 20 bar W₁ T3 T₂=400°C P2 10 bar Temperature T6 = 1200 K P6 = 1 bar tmt tm Heat exchanger TWO TURBINE PROBLEM Py = 10 bar T3 = ? Analyze the two-compressor system for different air mass flow rates into the heat exchanger. Provide clearly detailed professional written sample of the calculations needed to analyze each component of the system and the overall system. Complete the following table and plot the mass of air M5 against the Temperate T3, plot the mass rate M5…The purpose of the regenerative heat exchanger is to essentially recycle the heat rejected in step (B) as heat absorbed in step (D). Show why this works for the case of a general working fluid with heat capacity, Cv(T). The Stirling engine (invented in 1816 by Robert Stirling) is a heat engine that produces work through cyclic compression and expansion of a gaseous working fluid, such as hot air. An idealized cyclic process, aptly named the Stirling Cycle, for such an engine consists of four steps: (A) isothermal expansion at the hot reservoir temperature, Th, (B) isochoric (constant volume) heat rejection to a regenerative heat exchanger, (C) isothermal compression at the cold reservioir temperature Te, and (D) isochoric heat absorption from the regenerative heat exchanger back to the initial state.What is the advantage of using heat exchanger in plant designing compared to other heat transfer equipments?
- Q3// Answer A or B All The plant capacity factor of power plant 50%, the peak load is 30MW, the load factor is 60% and plant use factor 80%. Find: the daily output power and the plant reserve capacity. B// What are the methods of draught in cooling towers. Demonstrate them with drawings. What is the relationship between the cooling tower and condenser.9. When developing a certain power, the specific fuel con- sumption of an internal combustion engine is 0-255 kg/kWh (brake) and the mechanical efficiency is 86% Calculate (i) the indicated thermal efficiency, and (ii) the brake thermal efficiency, taking the calorific value of the fuel as 43-5 MJ/kg. If 35 kg of air are supplied per kg of fuel, the air inlet being at 26°C and exhaust at 393°C, find (iii) the heat energy carried away in the exhaust gases as a percentage of the heat supplied, taking the specific heat of the gases as 1-005 kJ/kg K.Please give a clear and concise definition of the problem and the intended objectives. Outline the design constraints and cost implications. Here’s the problem: When heating up a cold stream (5000 kg/h water) from 40ᵒC to 90ᵒC while cooling down a hot stream (5000 kg/h water) from 110ᵒC to 60ᵒC in AES exchangers, how many shells do you need?