Heat is transferred to a heat engine from a fumace at a rate of 120KW. If the rate of waste heat rejection to a nearby river is 50000W. Find the net Power output and the thermal efficiency for this heat engine.

Heat is transferred to a heat engine from a fumace at a rate of 120KW. If the rate of waste heat rejection to a nearby river is 50000W. Find the net Power output and the thermal efficiency for this heat engine.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter44: Geothermal Heat Pumps

Section: Chapter Questions

Problem 13RQ: If 14 gpm of water is flowing through an open-loop heat pump with a temperature difference of 7F,...

See similar textbooks

Related questions

Q: 14 -2 X1 Suppose 1 7 -6 x₂ = 03 q X3 1. Which number q makes this system singular? 2. Which number t…

Q: Chapter 2, Problem 2/186 The hoisting system shown is used to easily raise kayaks for overhead…

Q: A thermopile is constructed with chromel-alumel materials. Five junctions are maintained at 400-C…

A: Hot junctions temperature, Th=400 °CCold junction temperature, Tc=100 °CNumber of junctions in hot…

Q: In an open heart surgery, the patient's blood (hot fluid) is cooled by water (cold fluid) before the…

A: Please refer handwritten solution

Q: You have been shortlisted for a job vacancy in the aerodynamic section of Airbus Industries. As part…

A: How does the Reynolds number affect the drag characteristics of the landing gear and the wing of an…

Q: 1) Use the method of members to determine the true magnitude and direction of the forces in each of…

Q: 6. Steam is admitted to the cylinder of an engine with an average pressure of 25 bar. The piston…

A: The data given in this question are below: The average pressure is, P=25 bar. The piston diameter…

Q: The nuclear fuel in cylindrical shape of length L at radius R is covered with aluminum shell at…

A: Given Data: Nuclear Fuel cell Length = LRadius = RFHeat energy per unit volume Sn=Snoa+brRF1/2…

Q: Find the stoichiometric A/F ratio for the combustion of ethyl (C3H7OH) in a petrol engine. Calculate…

A: To find the stoichiometric air-to-fuel AF ratio for the combustion of ethyl C3H7OH we need to…

Q: A 6 m- 4 kN 30°, -2m B 30°

A: Note:- As per our guidelines we are supposed to answer only one question. Kindly repost other…

Q: The 18-in.-radius flywheel is rigidly attached to a 1.5-in.-radius shaft that can roll along…

Q: determine the reactions at C

A: Given Force at point A F = 150N Find out The reaction at point C The reaction at point D

Q: 4) Use the method of sections to find the true magnitude and direction of the force in member AB of…

Q: An orifice is to be used to indicate the flow rate of water in a 15 cm diameter line at room…

Q: Required information A 1.76-m³ rigid tank contains steam at 220°C. One-third of the volume is in the…

A: To Find : The pressure of the steam. Given : The volume of container is v=1.76 m3 The properties of…

Q: data - The gas operating in the cycle is air. - The circulating air flow is 1 kg/s - The pressure…

A: Given data is

Q: 1. Mass suspended simple harmonic motion (measured from equilibrium position), displacement,…

Q: *9-28 A rod has a diameter of 2 in. It is subjected to a torque of 12 kip · in. and a bending moment…

Q: Five glass vials will be transported 4 hours stacked on top of each other in a hollow cylinder case.…

A: Given Data: Ti=-80oCTf=-20oCWG=12.9 gH=38.7 mmd=22 mmtp=20 mmts=5 mmTatm=22oC To Find: Thickness…

Q: 8 (1) (H) A 1200 kg car driving downhill goes from an altitude of 70 m to 40 m above sea level and…

A: “Since you have posted multiple questions with multiple sub-parts, we will provide the solution only…

Q: A shell-and-tube heat exchanger must heat 2.8 kg/s of a solution with a specific heat of 3.25…

A: Mass flow rate of the solution→m=2.8 Kg/s Specific heat of the solution→Cp=3.25 KJ/KgK Initial…

Q: 1- The tightening and loosening torques. Is it self-locking? 2- Thread screw and nut induced…

A: P =331.7lb D=1 inch coefficient of friction (K) =0.2135 for 1030 hot rolled carbon steel tensile…

Q: Evaluate the volume occupied by 7.12 kg of air at a gage pressure of 615 kJ and temperature of…

Q: 6. Steam is admitted to the cylinder of an engine with an average pressure of 25 bar. The piston…

A: The data given in this question are below: The average pressure is, P=25 bar. The piston diameter…

Q: and A solid ball with a mass m is thrown on the ground such that at the instant of contact it has an…

A: Given : The mass of solid ball = m The coefficient of restitution = e Solution : The coefficient…

Q: An engine undergoes a Diesel Cycle with the following conditions: air at the start of compression…

Q: A woman is holding a 2.8-kg sphere in her hand with the entire arm held horizontally as shown in the…

A: The mass of the sphere is m=2.8 kg The mass of the upper arm is mu=2 kg The mass of the lower arm is…

Q: How does fatigue analysis contribute to the design and durability of mechanical components?

A: To explain: How does fatigue analysis contribute to the design and durability of mechanical…

Q: Use the method of MEMBERS to determine the true magnitude and direction of the forces in members 1…

A: Find: Member forces by method of members

Q: Problem 7: Inputs: ● ● ● m = 85 kg r = 0.1 m d = 2 m h = 0.75 m The winch is used to raise the mass…

Q: What is the stress concentration factor for a shaft with a hardened profile keyway under torsion if…

A: Given , Hardened profile keyway under torsion. Notch sensitivity factor q = 0.67 For hardened…

Q: Flow enters the rotor of an LP axial flow compressor with an absolute velocity of 150m/s purely in…

Q: a contractor want to invest his money in on of project A or B if you know that the interest rate is…

A: The Net Present Worth (NPW) method, also known as Net Present Value (NPV) method, represents the…

Q: the space between two square flat parallel plates is filled with oil .Each side of the plate is 50…

Q: Figure P1.33 shows a storage tank holding natural gas. In an adjacent instrument room, a U-tube…

Q: The cable exerts a tension of 4.5 kN on the fixed bracket at A. Write the vector expression for the…

Q: Draw with esthetic a lithium bromide refrigeration cycle without any moving parts, and label every…

Q: 1) Use the method of PINS to determine the true magnitude and direction of the forces in all the…

A: please refer handwritten solution

Q: A column consists of a 2.5 m long hollow tube with an outside diameter equal to 1.5 times that of…

Q: A steel cable with a diameter of 3.0cm supports a load of 2.0 kN. What is the frictional length…

Q: Q3/A pickup truck has a V6, 4-stroke, SI engine operating at (2800 r. p. m).the piston speed is (6…

A: The engine is V6 means the number of cylinder used→K=6 Speed of the engine→N=2800 rpm Speed of the…

Q: i still dont think i am getting the full working how you get to 0.32, am going to need to see the…

A: Given Data

Q: formulae

A: Assumptions i) water flows out to the open atmosphere from the valve outlet. ii) The tank is large…

Q: Consider a constant-charge piston-cylinder device that initially contains 0.1 kg of refrigerant-134a…

A: Given data: m1=0.1 kgT1=20°Cp1=60 kPaT2=80 °C

Q: A concentric tube heat exchanger for cooling engine oil is comprised of a thinwalled inner tube of…

Q: Give one example of a nanomaterial excluding Nano-Titanium Dioxide, Silver Nanoparticles and…

A: Aim: We have to give a example of nanomaterial excluding Nano-Titanium Dioxide, Silver…

Q: A mixture of gases contains 30% N2, 60% O2, and 10 % CO2 on a mass basics. Mixture pressure and…

A: For solution refer below images

Q: PLS MADE A FBD DIAGRAM !!!!! easy!!!!!! there is a rubber mat circled in yellow that is non slip and…

A: It is asked to calculate the reactions in the rubber mat.

Q: 9 The products of combustion, use air, enter a con- vergent nozzle of a jet engine at a total…

Q: If a rigid body is rotating with a constant angular velocity about a fixed axis, the velocity vector…

A: If a rigid body is rotating with a constant angular velocity about a fixed axis, the velocity vector…

Question

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: Given data

VIEW

Step 2: Calculating the net power output and thermal efficiency of the heat engine

VIEW

Solution

VIEW

Step by step

Solved in 3 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

What is the maximum efficiency of heat engine working between 1500K and 300K temperature. If such engine generates 320 kW of work after extracting 700 kJ/s heat from 1500K source, find the second law efficiency.
The thermal efficiency of a Carnot heat engine is 30%. If the engine is reversed in operation to work as a heat pump with same operating conditions then what will be the COP for heat pump?
A tank of water has a shaft rotating at 60 rpm with a torque of 40 N-m that is stiring the water. A heater is also present that operates at 120V and draws 4A of current. Heat is then removed from the water such the the total energy content of hte water is constant. How much heat is removed?
A cycle heat engine does 60KJ of work per cycle. If th efficiency of the heat engine is 60%. The heat rejected per cycle is?
If a power plant produces steam at 600°C and outputs heat at 150°C to a cogeneration power plant that then outputs its exhaust at a temperature of 40°C. Find the total efficiency of this combination of power plants. Assume both plants are 80% as efficient as a Carnot heat engine.
A freezer maintains a temperature of-30°C. The ambient air temperature is 20°C. If heat leaks into the freezer at the continuous rate of 3.15 kJ/s what should be the least power necessary to pump this heat out continuously?
A 45 MW thermal power plant, which receives 80 MW of heat from a thermal source of 440 ℃ terk, leaves the heat to the 18 river next to it. What will be the real thermal efficiency of a thermal power plant?
A heat engine of 30% efficiency drives a heat pump of COP 5. The heat is transferred both from engine and the heat pump to circulating water for heating the building in winter. Find the ratio of heat transfer to the circulating water from heat pump to the heat transfer to the circulating water from the heat
Find the COP of heat pump operating between 300 K and 600K temperature. If the same temperature ranges are used in heat engine, find the efficiency.
A heat engine has a thermal efficiency of 70%. During each cycle the engine does 400J of work. What is the magnitude of waste heat rejected to the low temp reservoir?
A domestic food freezer maintains a temperature of-15°C. The ambient air temperature is 30°C. If heat leaks into the freezer at the continuous rate of 1.75 kJ/s what is the least power necessary to pump this heat our continuously?
A heat pump receives energy from a source at 80∘C and delivers energy to a boiler that operates at 350 kPa. The boiler input is saturated liquid water and the exit is saturated vapor, both at 350 kPa. The heat pump is driven by a 2.5-MW motor and has a COP that is 60% that of a Carnot heat pump. What is the maximum mass-flow rate of water the system can deliver?