A steam boller plant consists of an economiser, evaporator and a superheate and steam Is generated at a rate of 9600 kg/hr at a pressure of 1,8 MPa and 260°C. The feed vater enters the eco- nomiser at 36 ,2°C and the boiler at 86 c. The steam leaves the evaporator 0,89 dry. Ihe plant uses 13,5 kg coal/minu te vith a calorilic value of 36 MJ/kg. Calculata the heat transfer In the economiser, evaporator and the superhe ater per kgl. Also calcu- late the plant elficiency and the equivalent evaporation from and at 100 C.

A steam boller plant consists of an economiser, evaporator and a superheate and steam Is generated at a rate of 9600 kg/hr at a pressure of 1,8 MPa and 260°C. The feed vater enters the eco- nomiser at 36 ,2°C and the boiler at 86 c. The steam leaves the evaporator 0,89 dry. Ihe plant uses 13,5 kg coal/minu te vith a calorilic value of 36 MJ/kg. Calculata the heat transfer In the economiser, evaporator and the superhe ater per kgl. Also calcu- late the plant elficiency and the equivalent evaporation from and at 100 C.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: It is proposed to design and develop a Rankine cycle Steam Power Plant in which steam at 80 bar and…

A: As per the guidelines, I can solve only first three subparts. For other parts, please repost in a…

Q: The steam supply to a two turbine unit is 6000kPa, 360°C. In the high pressure turbine the steam is…

Q: A Freon 12 plant operates between saturation temperature limits of -5°C℃ and 40°C. The refrigerant…

Q: A vapour compression refrigeration plant using R12 has saturation temperatures in the evaporator and…

Q: Steam enters an industrial isentropic steam turbine at 3 MPa, and 7 percent steam at 500 kPa is…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: and leaves at 32 0.078 bar. The velocity of circulating w d and 1.25 mm thickness. Taking the e

A: From the steam table, the enthalpy of the steam water at the inlet and outlet of the condenser…

Q: In NH3-water absorption system the heat is supplied to generator by condensing stream at 0.2 MPa.…

A: Ammonia - water absorption refrigeration cycle Heat input by steam at 0.2 MPa and dryness fraction…

Q: A simple saturated vapor compression refrigerating cycle using R-134a as refrigerant operates at an…

A: Consider the T-S diagram: Properties of R-134a at -5°C:hf=45.17 KJ/Kg hg=247.515…

Q: A steam generating unit has a steam production of 2000 kg/h (170°C, 0.8MPA, X=1). Feed water is at…

A: Given Data ms = 2000 kg/h at p= 80 bal & x =1 TF = 45°c PCI…

Q: A heat pump with refrigerant R22 is used for space heating between temperature limits of -20°C and…

A: Given data: ◆ The evaporator temperature: TE = -20℃ ◆ The condenser temperature: TC = 25℃ ◆ The heat…

Q: The generator of a vapor absorption refrigeration system uses steam at 3 bar pressure and 85%…

Q: A Rankine turbo-generator unit receives 10 kg/s of steam at 10.0 MPa and 550°C. Condensate leaves at…

Q: 8. A binary-vapour eycle operates on mercury and steam. Saturated mercury vapour at 4.5 bar is…

Q: Design, analyze, and optimize a triple pressure heat recovery steam generator (HRS arge advanced…

Q: The bwo 3-ftlong shafts are made of 2014-16 aluminum. Each has a diameter of 1.5 in and they are…

Q: e refrigerant at isentropic compressor discharge is

A: Given data. Heat pump with refridegerant R22. T1=-200C=-20+273=253K T2=25=25+73=298KHeat…

Q: A refrigerant 22 vapor-compression system includes a liquid-to-suction heat exchanger in the system.…

Q: A power plant operating in a Reheat Rankine Cycle produces steam at 3 MPa, 600oC in the boiler. It…

A: Given dataP=3MPaT=600°CQ=10MWPs=500kPaTs=45°C Here we using the steam table with respect to the…

Q: A simple vapour compression system (VCS) is modified by installing a Liquid- Vapour regenerative…

A: VCS cycle is a work consuming cycle. It has 4 parts, Condensor (Isothermal process) Compressor…

Q: A manufacturer conducted an experiment for an evaporator capacity 500 kW cooling and designed for…

Q: Determine the following: The Boiler Thermal Efficiency

Q: What should be the percent increase of COP of a standard vapor compression refrigeration system when…

Q: A manufacturer conducted an experiment for an evaporator capacity 500 kW cooling and designed for…

Q: Q.6 A vapor compression cycle uses R134a as the refrigerant. The vapor condenses at 40°C and is…

Q: NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to…

A: ⇒given data;⇒pressure ratio (r)=P2P1=16⇒inlet temeperature of air in compressor (T1)=300K⇒mass flow…

Q: TNB steam power plant in Genting Highlandsoperates on reheat Rankine cycleand has power net output…

Q: STEAM IS DELIVERED TO AN ENGINE AT 5 MPa and 600°C. BEFORE CONDENSATION AT 30°C. STEAM IS EXTRACTED…

Q: 11. a heat pump using R-717 as a refrigerant operates between saturated temperature of 6 oC and 38…

A: Refrigerant=R717Evaporator temperature, Te=6oCCondenser temperature, Tc=38oCUnder cooling in the…

Q: The pressure at which the steam should be reheated. Notes:  Assume the steam is reheated to the…

A: To find: The reheater pressure. Given: The pressure at the entry of the high-pressure turbine is…

Q: am at 10 MPaa, 550 degrees celsius enters an ideal engine that has one stage of regenerative cycle;…

A: Given:P1=10 MPaT1=550°CP2=1 MPaP3=10 KPa

Q: Ideal Rankine cycle efficiency % Answer: Actual Rankine cycle efficiency using pump and turbine work…

Q: EA: Derive an expression for the maximum blade efficiency of reaction turbine. Explain and draw the…

Q: The cooling load of a cold store is 24kW, the evaporator temperature is -10 ° C, the condenser…

A: Refrigerant, R-134a Cooling Load, Q˙e=24 kW Evaporator temperature, Te=-10oC Condenser temperature,…

Q: A simple ideal Rankine cycle with water as-the working fluid operates between the pressure limits…

Q: Example 15.12. A steam turbine is fed with steam having an enthalpy of 3100 kJ/kg. It moves out of…

A: In the physics when an object displaces in the direction of the force then that product between the…

Q: ndustrial plant generates its own power thru heat transfer and mechanical work, from heat energy…

Concept explainers

Strengthening of Alloys

Strengthening of the alloys is required as metals become weak due to various lattice defects, metal bonding phenomena. The strength of the metals is not enough for any mechanical work. The internal dislocations of any metals arise due to forming processes. Due to the movement of these dislocations, the metals are plastically deformed.

Question

A steam boller plant consists of an economiser, evaporator and
a superheate r and steam Is generated at a rate of 9600 kg/hr at
a pressure of 1,8 MPa and 260°C. The feed water enters the eco-
nomiser at 36,2°C and the boiler at 86 C. The steam leaves the
evaporator 0,89 dry. Ihe plant uses 13,5 kg coal/minute vith a
calorific value of 36 MJ/kg. Calculata the heat transfer In the
economiser, evaporator and the suporhe ater per kgl. Also calcu-
late the plant elficiency and the equivalent evaporation from
and at 100°C.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Step by step

Solved in 5 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

1. Steam is generated at 4.20 MPa and 460°C and condensation occurs at 0.105MP.. a. For a rankine engine operating between these limits compute the thermal efficiency and the heat rate. b. Considering that a Rankine cycle occurs between the same limits, determine Q.. Q,, w. and e C. What mass flow rate is required for a net output of 35,000 kW?
9. A vapour compression plant is powered by a 2kW motor and circulates R12 at 5kg/min. The R12 leaves the condenser at its saturation temperature with a specific enthalpy of 74.59kJ/kg and leaves the evaporated dry saturated with a specific enthalpy of 187.53kJ/kg. Calculate: (a). the dryness fraction at the evaporator inlet (b). refrigeration effect (c). coefficient of performance
3) A cascade refrigeration system uses R22 in the low temp unit and R12 in the high temp unit. The system develops 28 kW of refrigeration at -45°C. The R12 system operates at -12°C evaporating temp and 40°C condensing temp. There is a 10° overlap of temperatures in the cascade condenser. Calculate the power required by R22 compressor, and the power required R12 compressor.
ercise 6 6.1 A surface condenser is fitted with separate air and condensate outlets. A portion of the cooling surface is screened from the incoming steam and the air is passes over these screened tubes to the air extraction and becomes cooled below the condensate temperature. The condenser receives 20 000kg/hr of dry saturated steam at 36.2°C. At the condensate outlet the temperature is 34.6°C TK and at the air extraction the temperature is 29°C. The volume of air and vapour leaving the condenser is 3.8m3/min. Assume constant pressure throughout the condenser, calculate: 6.1.1 the mass of air removed per 10 000kg of steam (2.63kg); 6.1.2 the mass of steam condensed in the air cooler per minute (0.5kg/min)%3B 6.1.3 the heat rejected to the cooling water (13451kW).
An ammonia ice plant produces ice from water at 30°C to ice at -5°C. It works on standard vapour compression cycle, dry saturated conditions at compressor inlet. The enthalpies at compressor inlet and condenser exit are 1443.9 kJ/kg and 366.1 kJ/kg. Mass flow rate of the refrigerant is 180 kg/h. The ice produced is. tons per day. Specific heat of water = 4.186 kJ/kgK; Specific heat of ice = 1.94 kJ/kgk Latent heat of water at 0°C = 335 kJ/kgK
your client needs to know about the mass flow rate ofsteam needed for a 1500 kW plant. The heat supplied to the steamin the boiler is 2700 k//kg, the heat rejected by the steam to thecooling water in the condenser is 2000 kJ/kg, and the feed pumpwork required to pump the condensate back into the boiler is 3.5 kWCalculate the mass flow of steam required
1. Steam is delivered to an engine at 5.4 MPa and 600°C. Before condensation at 31°C, steam is extracted for feedwater heating at 0.60 MPa. For an ideal cycle, find: (A) Amount of steam extracted (B) Wnet (C) eth
4. A refrigerating plant having R-12 as the working fluid, comprises three evaporators of 10 TR at -10°C, 20 TR at 5°C and 30 TR at 10°C. Each of the evaporators is having the individual expansion valve arrangement. The refrigerant from the higher stage expansion valve is bled and mixed with delivery from the lower stage compressor and sent to the higher stage compressor suction thus effecting intercooling of the delivery gas from the lower stage and bringing the suction of the higher stage compressor to dry and saturated conditions. There is only one condenser operating at 40°C and sub- cooling the liquid refrigerant to 30°C. The compression during each stage of compression may be assumed isentropic. The evaporator discharge is dry saturated in cach of the evaporators. Determine the power required by the entire system. 5. A refrigeration system using R-12 as refrigerant consists of three evaporators of capacities 20 TR at - 5°C, 30 TR at 0°C and 10 TR at 5°C. The vapours leaving the…
Steam enters the turbine at 10 MN/m2and 450oC. The steam expanded in the turbine down to the condenser pressure of 20 kN/m2. The condensate leaving the condenser is pumped to the boiler pressure directly. The turbine has an isentropic efficiency of 89%, and the mass of steam generated in the boiler is 5 kg/s. Find: Cycle thermal efficiency. Plant power output.Neglect the pump work and draw the cycle on a T – s diagram. Hint: 1 MN/m2= 10 bar
please answer 6 to 10
Steam is generated at 10 MPa and 450OC and condensation occurs at 170 kPa. (a)For a Rankine engine operating between these limits, compute the thermal efficiency and the heat rate. (b) Considering that a Rankine cycle occurs between the limits, determine QA, QR, WNet, and eC. (c)What mass flow rate is required for a net output of 35 MW?
In a system one evaporator is to provide 180 kW of refrigeration at -30C and another evaporator is to provide 200 kW at 5C. the condenser temperature is 40C. The system uses 2 – stage compression with intercooling and is arranged as in figure. Calculate the power required by the compressors.