What do you mean by sensible cooling?

Sensible cooling is the removal of heat from the air without changing the moisture content. On the psychrometric chart (right), the cooling process moves from right to left in a horizontal line. This process does not change the humidity ratio (W) or dew point (DP) temperature of the air.

What is sensible cooling in thermodynamics?

the cooling in which temperature of air is reduced without changing in its moisture content.

How do you determine sensible cooling?

We also learned that the sensible cooling load (hs) is calculated by multiplying the specific heat of air (cp) by the density of air (rho) by the air flow (q) and the temperature differential. SHR is calculated by dividing sensible cooling load by the total cooling load.

What is sensible cooling and sensible heating?

Sensible Heating of the Air Sensible heating process is opposite to sensible cooling process. In sensible heating process the temperature of air is increased without changing its moisture content. Sensible heating of the air is important when the air conditioner is used as the heat pump to heat the air.

What is the example of sensible cooling?

The sensible cooling load is a measurement of the amount of energy that must be removed from, for example, the air inside a building, in order to maintain a certain temperature, regardless of the temperature outside. Cooling load must be taken into account when calculating the capacity of a cooling system.

What is sensible and latent heat in HVAC?

Heat that causes a change of state with no change in temperature is called latent heat. Sensible capacity is the capacity required to lower the temperature and latent capacity is the capacity to remove the moisture from the air.

Can you measure sensible heat?

In other words, sensible heat is heat which causes a temperature rise in an object, which can readily be measured with a temperature-measuring device such as a thermometer. We can easily measure this heat intensity difference of 2°F with a temperature-measuring device.

What is the sensible heat factor for a sensible cooling process?

The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)

What is sensible heat in air conditioning?

Sensible heat is what registers on your thermostat. It reflects a temperature change. Technically speaking, sensible heat refers to the amount of energy needed to increase or decrease the temperature of some substance, independent of phase changes (like a gas-to-liquid phase change).

What is meant by sensible heat?

Sensible heat refers to heat you can feel, or sense. When an object is heated, the object’s increase in temperature is sensible heat. Similarly, when heat is removed from an object and its temperature falls, this is also sensible heat – because you can feel the difference.

What is the difference between sensible heat and latent heat?

The main difference between latent heat and sensible heat is that latent heat is defined for a system that undergoes a phase change of matter whereas the sensible heat is defined for a system that has no change in the phase of matter.

What is the ideal cooling temperature?

When running your air conditioner, ideally you should set the temperature to 22-23 degrees Celsius (74 degrees Fahrenheit). This is an ideal temperature for both heating and cooling. During cooling, the lower you set the temperature the longer it will take the unit to cycle off.

What is sensible and latent heat?

• Latent heat does not affect the temperature of a substance whereas sensible heat affects the temperature and make it rise or decrease. • Latent heat is absorbed or releases at a phase change. Sensible heat is the heat released or absorbed during any thermodynamic process other than phase changes.

What is sensible BTU?

Sensible BTUs are the same kind of BTUs, or dry heat, that heating systems move. In a Direct Expansion (DX) cooling system, these BTUs are absorbed by the refrigerant at the indoor coil and carried outside and removed from the building by the condensing unit as dry heat blown out by the condenser fan.