Water enters a boiler with a flow of 0.4 kg/s at 540 oC and hot exhaust gases ( cp = 1050 J/kg.K)is boiled at 150 oC. The surface area of the heat exchanger is 0.64 m2. What is the total heat transfer coefficient of this heat exchanger?

Water enters a boiler with a flow of 0.4 kg/s at 540 oC and hot exhaust gases ( cp = 1050 J/kg.K)is boiled at 150 oC. The surface area of the heat exchanger is 0.64 m2. What is the total heat transfer coefficient of this heat exchanger?

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: Glycerin (cp = 2400 J/kg·K) at 20°C and 0.5 kg/s is to be heated by ethylene glycol (cp = 2500…

A: Given Data: The specific heat glycerin is: cP-G=2400 J/kg K The specific heat of Ethylene glycol…

Q: What effect do finned surfaces have on the overall heat transfer coefficientand hence the…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Consider a heat exchanger in which both fluids have the same specific heats but different mass flow…

Q: Saturated water vapor at 100°C condenses in a 1-shell and 2-tube heat exchanger with a surface area…

A: Given data: Saturated water temperature, Ts = 100°C Surface area, A = 0.5 m2 Overall heat transfer…

Q: In the heat transfer relation Q= UAs DTlm for a heat exchanger, what is DTlm called? How is it…

A: Heat exchanger is a steady flow adiabatic open system in which two flowing fluids exchange or…

Q: . What is shown in the figure? Where is it used and how does it work? . What is the nature of heat…

A: a. The figure shown is heat exchangers. Typical application of heat exchangers is to use heat…

Q: Ethanol is vaporized at 788C (hfg 5 846 kJ/kg) in a double-pipe parallel-flow heat exchanger at a…

A: Given data,

Q: Explain how the LMTD method can be used to determine the heat transfer surface area of a multipass…

A: Cross Flow heat exchanger: In this type of heat exchanger hot and cold fluid travel in…

Q: Under what conditions can a counter-flow heat exchanger have an effectiveness of one? What would…

A: Effectiveness of heat exchanger is given by If the capacity ratio is one, then the NTU value is…

Q: A shell-and-tube heat exchanger with 1-shell pass and 20–tube passes is used to heat glycerin in the…

Q: A cross-flow heat exchanger with both fluids unmixed has an overall heat transfer coefficient of 200…

A: Given Data: The overall heat transfer coefficient is: U=200 W/m2K The heat transfer surface area…

Q: In a large air-conditioning application, 1500 m3/min of air at 1 atm and 10◦C are to be heated in a…

Q: The temperature difference between the hot and cold fluids in a heat exchanger is given to be ∆? at…

A: The symbols representing the temperature difference in the hot and cold fluids at each end are not…

Q: In the heat transfer relation Q= UAsFDTlm for a heat exchanger, what is the quantity F called? What…

A: Given data: The given heat transfer equation is: Q=UAsFDTlmIn the given equation of the heat…

Q: Consider a water-to-water double-pipe heat exchanger whose flow arrangement is not known. The…

A: Draw the figure of parallel flow arrangement. From the figure, the heat flows from cold water to…

Q: Water flows through a shower head steadily at a rate of 8 kg/min. The water is heated in an electric…

A: Write the given information.

Q: What are baffles? Why we use baffles in heat exchangers?

A: Baffles are flow-directing constructions used in tanks, shell and tube heat exchangers, chemical…

Q: What effect do finned surfaces have on the overall heat transfer coefficientand hence the…

A: Fins are provided to a heat exchanger surface to augment the heat transfer by increasing the…

Q: A 2-shell passes and 4-tube passes heat exchanger is used to heat glycerin from 20oC to 50oC by hot…

A: Given:Length of each tube of heat exchanger=L=60 mNumber of pass,p=2Number of tubes,n=4Convective…

Q: What is application of parallel flow heat exchanger? and counter flow heat exchanger?

Q: What are the classifications of the heat exchanger, what are it applications, and what are the…

A: Complete information about heat excahanger given below: Heat exchanger defined as a device which…

Q: A 1-2 shell and tube heat exchanger is used to heat glycerin (C3H8O3, b.R.= 290 °C, cp= 3.43 kJ/kg…

A: Given data: 1 shell 2 tube (1S-2T) heat exchanger Inlet temperature of glycerin t1=20oC Inlet…

Q: What is the advantage of using heat exchanger in plant designing compared to other heat transfer…

A: Introduction: Heat exchangers are devices that transmit thermal energy between two or more fluids.…

Q: Is a car radiator a heat exchanger? If yes, then which type of heat exchanger is this?

A: Yes, a car radiator is a heat exchanger. It is used to transfer thermal energy from one place to…

Q: A shell-and-tube heat exchanger with 1-shell pass and 20-tube passes is used to heat glycerin (Cp =…

Q: Consider a double-pipe parallel-flow heat exchanger of length L. The inner and outer diameters of…

A: Here it is given :

Q: A cross-flow heat exchanger with both fluids unmixed has an overall heat transfer coefficient of 200…

A: It is required to determine the Number of Transfer Units.

Q: What is the role of the baffles in a shell-and-tube heat exchanger? How does the presence of baffles…

A: Baffles are flow directing vanes or panels which are used in the heat exchanger. These are designed…

Q: Under what conditions will the temperature rise of the cold fluid in a heat exchanger be equal to…

A: Heat capacity: It is the product of the mass flow rate of the fluid with the specific heat capacity.…

Q: A long thin-walled double-pipe heat exchanger with tube and shell diameters of 1.0 cm and 2.5 cm,…

Q: Saturated water vapor at 100°C condenses in the shell side of a one-shell and two-tube heat…

A: Given data as per question water vapor temperature =100°C Surface area = 0.5 m2 Overall heat…

Q: What are the common causes of fouling in a heat exchanger? How does fouling affect heat transfer and…

A: The deposition of unwanted materials on the surface of the heat exchanger is known as fouling.

Q: Calculate the rate of overall heat transfer coefficient for the tube heat exchanger with inner and…

A: Given Data: The diameter of the tube, d=4 cm The thickness of the tube, t=1.5 mm

Q: In order to cool a mass flow rate of 55 Kg/h of air (cp = 1060 J/KgoC) at 300o C, it is passed…

Q: Explain how the maximum possible heat transfer rate ???? in a heat exchanger can be determined when…

Q: What is the heat capacity rate? What can you say about the temperature changes of the hot and cold…

A: The heat capacity rate is defined as “the product of the mass flow rate and the specific heat of the…

Q: Consider a shell-and-tube water-to-water heat exchanger with identical mass flow rates for both the…

A: Shell and tube heat exchanger Working fluid water Criteria for calculation is the mass flow rate of…

Q: A counter-flow heat exchanger is used to cool water from 60°C to 20°C. The water flows at 0.2 m/s…

Q: Water (cp = 4180 J/kg·K) enters the 2.5-cminternal- diameter tube of a double-pipe counter-flow heat…

A: Given that,

Q: The condenser of a large thermal power plant is a body-tube type heat exchanger consisting of a…

A: Given Convection coefficient, h = 11000 W / m2K Mass flow rate, m =30000 kg / h…

Q: How does a heat exchanger work? Where and when will you use a heat exchanger?

A: A heat exchanger is a device in which heat is transferred from one fluid to another. Working:- In…

Q: Engine oil at 20°C is to be heated to a temperature of 60°C by saturated steam at 1 atm in a…

A: Consider the diagram shown below for the inlet and outlet temperature.

Q: Hot water at 60℃ is cooled to 36℃ through the tube side of a 1–shell pass and 2-tube passes heat…

Q: How would you formulate this problem to obtain a more meaningful result which desired to cool a gas…

A: Given: Cp of gas = 0.35Btu/lb F Temperature of hot fluid in (Thi)=190F Temperature of hot fluid out…

Q: What are the common approximations made in the analysis of heat exchangers?

A: The common approximations given that made during the analysis of heat exchangers, (1) The heat…

Q: What effect do finned surfaces have on the overall heat transfer coefficientand hence the…

A: given: What effect do finned surfaces have on the overall heat transfer coefficient hence the…

Q: A two-shell passes and four-tube passes heat exchanger is used to heat glycerin from 20°C to 50°C by…

A: Draw the schematic diagram for a better understanding of the problem. Assumption: Steady operating…

Concept explainers

Heat Exchangers

Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.

Heat Exchanger

The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.

Question

100%

g%2Fs%20debiyle%20girip%20200%200C'%20de%20çıkan%20sica
gsoz%20gazlar%20(.
Gmail
YouTube
Çevir
Community Downl...
A Haritalar
Okuma listesi
iş İÇİN
Giriş yap
İNGİLİZCE
口全回
西凸9
Water enters a boiler with a flow of 0.4 kg/s at 540 oC and hot exhaust gases ( cp
= 1050 J/kg.K)is boiled at 150 oC. The surface area of the heat exchanger is 0.64
m2. What is the total heat transfer coefficient of this heat exchanger?
Çeviri yap: Google Bing

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

Given

VIEW

Solution

VIEW

Step by step

Solved in 2 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

a) A nozzle is a device that is used to increase the velocity of a fluid by varying the cross-sectional area. At the last section of a jet engine (Fig Q1.a, section 5), air with a mass flow rate of 50 kg/s at a pressure of 500 kPa and a temperature of 600 K enters a nozzle with an inlet cross-sectional area of 5 m2. The exit area of the nozzle is 20% of its inlet area. The air leaves the nozzle at a velocity of 300 m/s. The nozzle is not well-insulated and during this process, 5 kJ/kg heat is lost.Figure Q1.a: Schematic of a Jet engine.(i) In analysing this nozzle using the 1st law of thermodynamics, the change in which type of energy is negligible? (ii) Determine the density and velocity of the air entering thenozzle.(iii) Calculate the density of the air as it leaves the nozzle.l(iv) Determine the temperature of the air as it leaves the nozzle. ((v) Calculate the pressure of the air as it leaves the nozzle Only solve V please
A thermodynamic steady flow system receives 11 lbm/s of a viscous fluid where P1 = 40 psi, ρ1 = 70 lbm/ft^3, V1 = 350 ft/s, and u1 = 227 lbf/lbm. The elevation of the inflow is at zero-elevation. The fluid leaves the system at 100-foot elevation at a boundary where P2 = 18 psi, ρ2 = 80 lbm/ft^3, V2 = 400 ft/s, and u2 = 150 ft-lbf/lbm. During passage through the system, the work done by the fluid is 90 ft-lbf/lbm. Determine the heat added/rejected to/by the system. Assume g = 31.20 ft/s^2.
Natural gas, with the thermodynamic properties of methane, flows in an underground pipeline of 0.6 m diameter. The gage pressure at the inlet to a compressor station is 0.5 MPa; outlet pressure is 8.0 MPa (gage). The gas temperature and speed at inlet are 13C and 32 m/s, respectively. The compressor efficiency is η = 0.85. Calculate the mass flow rate of natural gas through the pipeline. Label state points on a Ts diagram for compressor inlet and outlet. Evaluate the gas temperature and speed at the compressor outlet and the power required to drive the compressor.
Two gaseous streams containing the same fluid enter a mixing chamber and leave as a single stream. For the first gas, the entrance conditions are Ai 500 cm2, vi 130 m/s, pi 1.60 kg/m3. For the second gas, the entrance conditions are A2 400 cm2, 7h2 8.84 kg/s, u2 z0.502 m3/kg. The exit stream condition is v3 130 m/s and v3 0.437 m3/kg. Determine (a)the total mass leaving
33 - Helium is compressed in a continuous flow compressor. The speed at the compressor outlet is 29 m/s, the cross-sectional area is 0.00123 m² and the specific volume is 0.9267 m³/kg. What is the mass flow rate? a) 0.03221 kg/h B) 0.04479 kg/h NS) 0.04188 kg/h D) 0.03849 kg/h TO) 0.03621 kg/h
Assuming the clearance is negligible for a single stage compressor with the following data.Atmospheric pressure: 90 kPaAtmospheric temperature: 17 ˚CDelivery pressure: 7 barFree air delivery flow rate: 0.2 m3/min Take “n” as 1.3, cp = 1.005 kJ/kg K, cv = 0.718 kJ/kg K 1.Evaluate the mass flow rate of air inside the compressor operating isentropically in kg/min to 3 decimal places.
The volumetric flow rate of standard air is 120 m3/s at drybulb temperature of 18oC. Compute the standard air volume considering that standard air pressure is 101.325 kPa and standard air temperature at 21.11oC. a.) 121.3 m3/s b.) 200.4 m3/s c.) 304.5 m3/s d.) 405.7 m3/s
In a condenser test, the following observations were made:Vacuum = 69 cm of HgBarometer = 75 cm of HgMean temperature of condenser = 35°CHot well temperature = 28°CAmount of cooling water = – 50,000 kg/hrInlet temperature = 17°COutlet temperature = 30°CAmount of condensate per hour = 1250 kgFind(a) the amount of air present per m3 of condenser volume.(b) the state of steam entering the condenser.(c) the vacuum efficiency .R for air = 287 J/kgK
Air flows steadily through an engine at constant temperature, 127 deg C. Assuming that the Kinetic and Potential energies are negligible and if the exit pressure is one-fourth of the initial pressure, in which the initial pressure is 702 kPa, the work per mass is Answer kJ (nearest whole number).
1 atm = 2116 lb/ft2 = 1.01 × 105 N/m2. Just upstream of a shock wave, the air temperature and pressure are 288 Kand 1 atm, respectively; just downstream of the wave, the air temperatureand pressure are 690 K and 8.656 atm, respectively. Calculate the changesin enthalpy, internal energy, and entropy across the wave.
An ideal gas passes a diffuser. At the diffuser inlet, the temperature is T1 = 350.00 K, the pressure P1 = 100.00 kPa, the velocity V1 = 200.00 m/s, and the inlet area A1 = 0.30 m2. At the exit, the velocity is very small. The specific heat of the ideal gas at the constant pressure is cp = 1.0050 kJ/(kg·K). The gas constant is R = 0.2870 kPa·m3/(kg·K). Determine the density at the inlet, ρ1 __________(kg/m3)
Water vapor with a pressure of 160 bar and a temperature of 480°C enters a stable turbine with a volumetric flow of 800 m3/min. About 18% of the incoming mass flow exits a part of the turbine at a pressure of 5 bar, a temperature of 240°C and a velocity of 25 m/s. The rest comes out from another part of the turbine with a pressure of 0.06 bar, a quality of 94% and a speed of 400 m/s. Determine the diameters of each outlet channel in m.