In a certain steam plant the turbine develops 703.72 kJ/kg. The heat supplied to the steam in the boiler is 2800 kJ/kg, the heat rejected by the steam to the cooling water in he condenser is 2100 kJ/kg and the network of the cycle is -995 kW. Calculate the pump work in kJ/kg and steam flow rate.

In a certain steam plant the turbine develops 703.72 kJ/kg. The heat supplied to the steam in the boiler is 2800 kJ/kg, the heat rejected by the steam to the cooling water in he condenser is 2100 kJ/kg and the network of the cycle is -995 kW. Calculate the pump work in kJ/kg and steam flow rate.

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

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

See similar textbooks

Related questions

Q: 2.A steam throttling valve with inlet conditions of 2MPA and 400C is connected to the inlet of the…

Q: The enthalpy entering the turbine of a geothermal power plant is 2750 KJ/kg and ,ass rate of 1…

A: Enthapy at turbine inlet, h1= 2750 kJ/kg Mass flow rate in turbine, m˙= 1 kg/sec Turbine brake…

Q: A heat pump shown is driven by 2.5 MW motor and receives heat from a source at 80 c° and deliver…

Q: R-134a as a refrigerant, in a cooling machine used; refrigerant to evaporator (evaporator) 0.15…

Q: 2. A reverse Carnot cycle requires 3 hp and extracts energy from the lake to heat a house If the…

A: Given data: W˙=3 hp=2.2371 kWTH=70°F=294.261 KQH=2110 kJ/min=35.2 kJ/s Need to determine the…

Q: A constant pressure open cycle gas turbine plant works between temperature range of 15°C and 700°C…

A: The answer is

Q: Pb=15 mPa AK9 Prel.2mpa 1-m Pc-lo KPa K Pa 0x from table 8=15mpag T=600 Pump OFWH ond h2=3582-39…

A: In a power cycle the net amount of work done is always equal to the net amount of heat transfer. The…

Q: Question-3 As seen in the figure, the stable air conditioner keeps the indoor environment at 21oC…

A: GivenTindoor=21oC =294KToutdoor=32oC =305KQa=31650 kJ/hW=2.2kW

Q: A steam turbine receives a steam flow rate of 2kg/s and the power output is. 700 kW. The heat loss…

A: For solution refer below images. NOTE:- For specific enthalpy unit should be in KJ/kg.

Q: Cogeneration is often used where a steam supply is needed for industrial process energy. Assume a…

Q: Determine work output of the engine, for the reversible cycle

Q: Heat is transferred to a heat engine from a fumace at a rate of 120KW. If the rate of waste heat…

Q: Q 2: - A one cylinders Freon (134a) compressor has a Bore and Stroke 5.4 and 4.8 cm respectively. It…

Q: R-134a as a refrigerant, in a cooling machine used; refrigerant to evaporator (evaporator) 0.15…

A: A carnot cycle is an ideal cycle which produces equivalent work output from a given heat input i.e.,…

Q: 2A steam throttling valve with iniet conditions of 2MPA and 400C is connected to the inlet of the…

Q: A hot water heater is using a heat pump system for heating the water, as shown in the figure. The…

A: please refer handwritten solution

Q: The refrigeration system of a food production firm is run using the Reversed Carnot Cycle. The…

A: Given: The temperature of the hot refrigerant, T1 = 52oC The temperature of the sink, T2 = -14oC The…

Q: An ammonia refrigeration system operates between saturated suction temperature of -20°C, and…

A: Given:Evaporation temperature, Te=-20oCCondensation temperature, Tc=40oCFind:The COP comparison of…

Q: An Ocean Thermal Energy Conversion (OTEC) power plant produces 25000 kW of ouput using warm surface…

A: Given:T1=29°C =302 KT2=12°C =285 KW=25000 KW

Q: A thermal power has a net power 10 MW. The backwork ratio of the plant is 0.005. Determine the…

Q: 2.A steam throttling valve with inlet conditions of 3MPa and 500C is connected to the inlet of the…

Q: A refrigeration system employs R12 is used for a domestic heating unit. The The capacity of the…

Q: Steam engine with incomplete expansion receives saturated steam at 1.04 Mpa, expands it to 0.105 Mpa…

A: Since, you have posted multiple subparts and each subparts, there is more than one question. So, as…

Q: A refrigerator in a meat warehouse must keep a low temperature of -20°C and the outside temperature…

A: The enthalpy of the stream exiting the evaporator is h1 = 1438 kJ/kg. The enthalpy of the stream…

Q: A heat pump shown is driven by 2.5 MW motor and receives heat from a source at 80 C and deliver…

Q: 3) The pump works (wbomba) and the turbine (wurbina). 4) The heats: boiler (QH) and condenser (QL).…

Q: Air is used as a working substance in a given internal combustion engine, which is supplied with…

A: Answer: The work of the cycle is 660.316 kJ/kg.

Q: The first of the two heat pumps operating on the reverse Carnot cycle 0 between 0C and 22oC, and the…

Q: the rate at which heat is extracted from the refrigerated space.

A: Given; A refrigerator operates between =120 KPa and 800 KPa- in an ideal vapor compression cycle…

Q: Find the required work to transfer 1200j of heat from the sink(cold body)-90°c source (hot body)at…

A: A refrigerator is a device which operating in a cycle maintain a body at a temperature lower than…

Q: 10kPa pressure and dryness degree x=0.90, the steam coming out of the turbine goes to the pump with…

Q: The evaporator (a heat exchanger) in an A/C unit has R-410A entering at -20 °C and a quality of 30%…

Q: A two-stage compressor with an ideal intercooler receives 0.5m3/s of Helium at 150kpa and 300K and…

Q: A heat engine operates between two reservoirs at 400°C and 30°C. Half the power produced by the heat…

A: Note: As per Bartleby policy we have to answer first three subparts if nothing is mentioned then too…

Concept explainers

Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.

Question

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

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

2. A reverse Carnot cycle requires 3 hp and extracts energy from the laketo heat a house .If the house is kept at 70°Fand requires 2110 kj/min... what is the temperature of the lake?
A refrigerator in a meat warehouse must keep a low temperature of -20°C and the outside temperature is 25°C. Ammonia is used as the refrigerant which must remove 10 kW from the cold space. Compute for the flow rate of the ammonia needed assuming a standard vapor compression refrigeration cycle with a condenser at 25°C. Find the enthalpy of the stream exiting the evaporator, condenser, and throttling (expansion) valve.
2.A steam throttling valve with inlet conditions of 3MPA and 500C is connected to the inlet of the turbine. The turbine has 800kW power output and heat absorbed of 500kw. If the mass flow rate is 1kg/s and the exit temperature of steam is 400C, find the exit turbine pressure. (
The first of the two heat pumps operating on the reverse Carnot cycle 0between 0C and 22oC, and the second between -18oC and 22oCis working. Find the percentage increase between the compressor powers since both are heating at the same value.
2.A steam throttling valve with inlet conditions of 2MPA and 400C is connected to the inlet of the turbine. The turbine has 200kW power output and heat abstracted of 100kW. If the mass flow rate is 1kg/s and the exit temperature of steam is 300C, find the exit turbine pressure.
The refrigeration system of a food production firm is run using the Reversed Carnot Cycle. The temperature of the hot refrigerant supply in the system should be 52°C, while the temperature of the sink should be -14°C. Its capacity is projected to be at least 24 tons. It's important not to disregard losses. Find and Show unit analysis and conversion: a. COP and COP of Heat Pump b. Heat rejected from the system in kW c. Network in, Hp and Energy Efficiency Ratio
A steam powerplant operates on a rankine cycle the steam enters the turbine at 7 mpa 550°c with a velocity of 3m/s . Its dischaRge to the condenser at 20kpa with the velocity of 90m/s calculate the network in kw for a flow of 37.8kg/s
See photo below
Steam engine with incomplete expansion receives saturated steam at 1.04 Mpa,expands it to 0.105 Mpa where release occurs. Exhaust is to a condenser at 40C.The actual engine uses 6070 kg/h of steam; it has a brake engine efficiency of 60%and a mechanical efficiency of 85%. The electric generator which it drives has anefficiency of 925. (a) For the ideal engine, find the thermal efficiency and the mep.For the actual engine, determine (b) the brake work in kW and the brake thermalefficiency, (c) the indicated work in kW, indicated thermal efficiency and indicatedsteam rate, (d) the combined thermal efficiency and the combined steam rate
i need the answer quickly
Pls answer thank you! Steam enters the turbine at the rate of 2.5 kg/s with enthalpy of 3200 kj/kg and exhaust enthalpy of 1100 kj/kg . Steam is extracted from the turbine at the rate of 1 kg/s for heating purposes with enthalpy of 2750 kj/kg. What is the turbine work in KW.
A steam turbine receives a steam flow rate of 2kg/s and the power output is. 700 kW. The heat loss from the casing is negligible. B. when the velocity at the entrance is 60 m/s, the velocity at exit is 360 m/s, and the inlet pipe is 3 m above ?the exhaust pipe, the change of specific enthalpy across the turbine is 700 kJ 600 kJ 400kJ non of the above