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  • Engineering Thermodynamics: Problems and Solutions, Chapter-9

    9-1-2 [carnot-800kPa] Water enters the boiler of a steady flow Carnot engine as a saturated liquid at 800 kPa, and leaves with a quality of 0.95. Steam leaves the turbine at a pressure of 100 kPa. Determine (a) the thermal efficiency and (b) the net workGet Price

  • Pipe Problems Part 1 | PDF | Boiler | Enthalpy

    A. 44.86 B. 42.88 C. 46.45 D. 40.34 A 350 mm x 450 mm steam engine running at 280 rpm has an entrance steam condition of 2 MPa and 230 degC and exit 0.1 Mpa. The steam consumption is 2000 kg/hr and mechanical efficiency is 85% if indicated mean effective pressure is 600 Kpa, determine brake thermal efficiency.Get Price

  • Solved: A steam power plant operates on the cycle of Fig. 8.4. …

    A steam power plant operates on the cycle of Fig. 8.4. For one of the following sets of operating conditions, determine the steam rate, the heat-transfer rates in the boiler and condenser, and the thermal efficiency of the plant. (a) P 1 = P 2 = 10,000 kPa; T 2 P 3 PGet Price

  • Steam Calculators: Boiler Calculator

    2015/3/17 · Steam, Boiler, and Blowdown Pressure are the same. Combustion Efficiency is the % of fuel energy that is directly added to the feedwater and not otherwise lost or used. Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the boiler as a saturated liquid at boiler pressure.Get Price

  • 1. A boiler generates 45,350 kg of steam per hour at | Chegg.com

    1. A boiler generates 45,350 kg of steam per hour at 540 . Feedwater temperature is 145 . Steam pressure is 8,300 kpa, Higher Heating Value of coal is 25,600 𝑘𝐽 𝑘𝑔 as-fired basis, and overall steam generator efficiency, 85 %. How many kilograms of coal are requiredGet Price

  • MCQ in Power Plant Engineering Part 8 | ME Board Exam

    2020/12/19 · 380. Two boilers are operating steadily on 91,000 kg of coal contained in a bunker. One boiler is producing 1591 kg of steam per hour at 1.2 factor of evaporation and an efficiency of 65% and another boiler produced 1364 kg of steam per hour at 1.15 factor ofGet Price

  • CHAPTER 3 COMBUSTION CALCULATION

    Self Exercise 3 Gaseous propane of 88 kg/hr is burned in a boiler with 10% excess air to produce 1200 kg/hr of steam at 0.1 MPa and 150oC. The percent conversion of the propane is ; of the fuel burned, 90% reacts to form CO2 and the balance to form CO.Get Price

  • Boiler Efficiency - an overview | ScienceDirect Topics

    Thus a boiler operating for 12 hours, firing typically for about one-third of a cycle has a fuel saving of 5.5% compared to 1.7% for 24 hours operation. Decreasing the number of firing cycles per hour (n) increases the fuel saving, Figure 6, but only by about 5-10%.Get Price

  • HEAT AND MASS TRANSFER Solved Problems By Mr. P. …

    Heat and mass Transfer Unit I November 2008 1. Calculate the rate of heat loss through the vertical walls of a boiler furnace of size 4 m by 3 m by 3 m high. The walls are constructed from an inner fire brick wall 25 cm thick of thermal conductivity 0.4 W/mK, a layerGet Price

  • A Textbook of Power Plant Engineering by R. K. Rajput (z-lib.org)_removed-4.pdf - 121 STEAM POWER PLANT At 45 bar and 350u00b0C From steam …

    A boiler generates 7.5 kg of steam per kg of coal burnt at a pressure of 11 bar, from feed water having a temperature of 70 C. The efficiency of boiler is 75% and factor of evaporation 1.15, specific heat of steam at constant pressure is 2.3 kJ/kg K. Calculate : (i)Get Price

  • AME 50531: Intermediate Thermodynamics Homework Solutions

    Steam Calculators: Boiler CalculatorGet Price

  • Steam Calculators: Boiler Calculator

    2015/3/17 · Steam, Boiler, and Blowdown Pressure are the same. Combustion Efficiency is the % of fuel energy that is directly added to the feedwater and not otherwise lost or used. Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the boiler as a saturated liquid at boiler pressure.Get Price

  • The following data is available for a steam power station

    :2021/3/24 · The following data is available for a steam power station: maximum demand = 25 MW. Load factor = 0.4. Coal consumption = 0.88 kg/kWh. Boiler efficiency = 85%. Turbine efficiency = 90%. Price of coal = Rs. 55 per tones. Find the thermal efficiency of the station. This question was previously asked in.Get Price

  • Solved (b) A boiler generates 5,000kg of steam per hour at a | Chegg.com

    (b) A boiler generates 5,000kg of steam per hour at a pressure of 1.7MN/m. The steam temperature is 325oC and the feed water temperature is 51.1oC. The efficiency of the boiler is 80% when using oil of calorific value 45,500kJ/kg. The seam generated is supplied Get Price

  • STEAM GENERATOR.docx - PPE PROBLEM SET on STEAM GENERATOR m3 For a developed boiler Hp of 933 Determine the 1 A water tube boiler …

    A steam boiler generates 600,000 kg of steam in a 4-hour period. The steam pressure is 2750kpa and 370 C. The temperature of the feedwater is 138C. If the overall thermal efficiency is 82% and the fuel is at 28 API, find the average amount of fuel burned per ∧Get Price

  • Leading Industrial heating equipment, industrial dryers & industrial chillers Manufacturer in india | Manufacturer of Boilers…

    High Quality Industrial Boilers and Steam Boilers Manufacturing company in India An industrial boiler is an equipment which is used for generating steam by applying heat energy to the water. A boiler can be horizontal or vertical and you can opt for Gas fired boiler Get Price

  • Steam Calculators: Boiler Calculator

    2015/3/17 · Steam, Boiler, and Blowdown Pressure are the same. Combustion Efficiency is the % of fuel energy that is directly added to the feedwater and not otherwise lost or used. Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the boiler as a saturated liquid at boiler pressure.Get Price

  • SOLUTION MANUAL CHAPTER 11 - LNG Academy

    11.1 Is a steam power plant running in a Carnot cycle? Name the four processes. No. It runs in a Rankine cycle. 1-2: An isentropic compression (constant s) Pump 2-3: An isobaric heating (constant P) Boiler 3-4: An isentropic expansion 4-1: AnGet Price

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