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A TEXTBOOK OF REFRIGERATION AND AIR CONDITIONING BY KHURMI EPUB

2 □ A Textbook of Refrigeration and Air Conditioning heal which is brought into it with the articles stored after the temperature is. 16 Jun I found a Substitute for A Textbook of Refrigeration and Air Conditioning by R. S. Khurmi. This Substitute has all the Similar Topics Covered. Please get it from. Textbook of Refrigeration and Air-conditioning has ratings and 7 reviews. For the students of B.E.;UPSC(Engg. Services); UPSC (Civil Services); Secti.

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Remember me on this computer. Venkatesh Venkat rated it it was amazing Nov 23, The sulphur dioxide in its pure state is not corrosive, but when there is moisture present, the mixture forms sulphurous acid which is conosivc to steel. A dense air refrigeration cycle operates between pressures of 4 bar and 16 bar.

The work of this turbine is used to drive the cooling fan which draws cooling air through the heat exchanger.

This is because the air temperature will be too close to the condenser temperature to absorb any more heat after passing through eight rows of tubing. The condition of mixed refrigerant entering into the compressor is shown by point 1 on the p-h diagram.

The pressure of air decreases from p 3 to specific volume increases from v 3 to v 4 and the temperature decreases from 7 3 to T 4t We know that during isentropic expansion, no heat is absorbed or rejected by the air, 4. It is usually denoted by h fg. Effect of valve pressure drops The p-v diagram of a reciprocating compressor considering the pressure drop at the suction and discharge valves is shown in Fig.

In case the temperature involved is above www.

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Don’t have an account? It is thus obvious that supply of power say electric motor is regularly required to drive a refrigerator.

The condensate from the condenser is supplied to the evaporator to compensate the water vapour formed in the textbbook. Explain the working of this cycle. The isent topic efficiencies of both compressor and turbine are a textbook of refrigeration and air conditioning by khurmi, Calculate the mass of air circulated per minute and the C.

Let at any small section shown shadedthe pressure p of the system is constant If A is the a textbook of refrigeration and air conditioning by khurmi area of the piston, then force on the piston F – pA causes the piston to move through a distance dx.

T t h the intercooling is said to be incomplete or imperfect intenooling. Actual increase in temperature TV 0. Ankit Kumar rated it it was ok Oct 04, In actual practice, however, an isothermal operation may off approached ihurmi the process is so slow that the heat is absorbed or rejected at such a conditionin that the temperature remains, practically, constant. It is also widely used for the cooling of storage chambers in which perishable foods, drinks and medicines are stored.

The flow processes may be steady flow and non-steady flow processes 1. This type of cooling system is used for supersonic aircrafts and rockets.

Textbook of Refrigeration and Air Conditioning : R. S. Khurmi :

Nagor, Zone 1, Bhopal – Find the refrigeration capacity of the plant Solution, Given: Hence the volumetric efficiency decreases as the clearance factor increases. The triple point of water is taken as a fundamental fixed point having a temperature Describe with a diagram the reduced ambient air cooling a textbook of refrigeration and air conditioning by khurmi, 5.

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All the heat supplied to the gas is stored within the gas in the form of internal energy. Similarly, an adiabatic operation may refrigeratiom approached if the process takes place so quickly that no time is given to kyurmi heat to enter or leave the gas.

A textbook of refrigeration and air conditioning

The a textbook of refrigeration and air conditioning by khurmi of superheated vapour is similar to that of a perfect gas. The pressure difference between the generator and the absorber and the gravity due to the height difference of the two shells is utilised to create the pressure for the spray.

In kjurmi cases, a suitable evaporant is used with the ram air so that the cabin q does not rise. Hydrogen H 2 An air refrigerator used for food storage, provides 50 TR. Treating both cycles as reversible, calculate the ratio in which the heat pump and the heat engine share the heating load, I Ans.

Textbook of Refrigeration and Air-conditioning (M.E.)

It is similar to the boot strap air cycle cooling system except that the addition of an evaporator between the second heat exchanger and refrigeratlon cooling turbine. Would you also like to submit a review for this item? Mass of motive steam required per hour per tonne of refrigeration We know that mass of motive steam required per hour per tonne of refrigeration Q m.

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