Does a condenser lower pressure?

Temperature profile inside the condenser In a similar way to evaporation, the only pressure difference between the entrance and the exit of the heat exchanger is the pressure drop. Because the flow velocity in a condenser decreases, the induced pressure drop is much lower than in an evaporator.

What is the purpose of a condenser in a power plant?

A large heat exchanger designed to cool exhaust steam from a turbine below the boiling point so that it can be returned to the heat source as water. In a pressurized-water reactor, the water is returned to the steam generator.

How do you lower the pressure on a condenser?

We can put a vacuum pump to decrease the pressure inside the condenser and it will help in turbine output as well.

Does a condenser increase pressure?

Evaporating temperature and evaporating pressure increase as the pressure drop increases. The enthalpy difference across condenser and compressor, however, increase with the increasing pressure drop.

Why is the condenser pressure so high?

One common cause of high discharge pressure is the cooling medium (air or water) flowing across the condenser: either there is not enough or the temperature of the cooling medium is too high. A less common cause is noncondensables trapped in the condenser.

Why does the efficiency of a Rankine cycle increase with decreasing condenser pressure?

Lowering the condenser pressure will increase the area enclosed by the cycle on a T-s diagram which indicates that the net work will increase. Thus, the thermal efficiency of the cycle will be increased.

What is the effect of condenser in steam power plant?

The main purpose in steam power plant is to generate maximum power at high efficiency. The most effective way for reaching this aim is to use a condenser. Condensers increase the enthalpy drops and turbine work by lowering the turbine outlet pressure. The lower the pressure, the higher the efficiency and power are.

What happens in the condenser in a nuclear power plant?

Condensers in Nuclear Plants. The Condenser has two major functions: Condense and recover the steam that passes through the turbine (Condensers are used in all power plants that use steam as the driving force) Maintain a vacuum to optimize the efficiency of the turbine.

What causes high condenser pressure?

One common cause of high discharge pressure is the cooling medium (air or water) flowing across the condenser: either there is not enough or the temperature of the cooling medium is too high. This is normally easy to identify with a simple visual inspection of the condenser.

Is the condenser high pressure?

The purpose of the condenser is to receive the high-pressure gas from the compressor and convert this gas to a liquid. It does it by heat transfer, or the principle that heat will always move from a warmer to a cooler substance.

What is the pressure in the condenser of steam power plant?

Typically the cooling water causes the steam to condense at a temperature of about 25 °C (77 °F) and that creates an absolute pressure in the condenser of about 2–7 kPa (0.59–2.07 inHg), i.e. around −95 kPa (−28 inHg) below atmospheric pressure.