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Function of expansion valve?
Metering device The metering device controls the flow of liquid refrigerant through the system. The liquid enters at a high-pressure, high-temperature, sub-cooled state and leaves as a low-pressure, low temperature, expanded liquid state. Accurator Piston and Thermostatic Expansion Valves are the most widely used metering devices. Accurator Pistons are widely used because of their low cost and flexibility. The piston can easily be changed to match the capacity of the condensing unit. The Thermostatic Expansion Valve (TXV) is the most efficient type of metering device. The TXV automatically adjusts the flow of the liquid refrigerant based on the superheat of the refrigerant leaving the evaporator coil. As the load on the evaporator increases, the TXV increases the flow of refrigerant. This maintains the proper superheat. The TXV is efficient throughout a variety of system operating conditions, while the accurator is efficient only under designed conditions.
What is the bi state device?
what is a bi state device
What state is refrigerant leaving receiver?
Refrigerant exits the receiver in a liquid state as it is stored and accumulated in this component after leaving the condenser. It serves as a temporary storage vessel before entering the expansion device in the system.
What does a liquid line do?
A liquid line in a refrigeration or air conditioning system transports refrigerant in its liquid state from the condenser to the expansion device, such as a metering valve or capillary tube. This line is crucial for maintaining the efficiency of the system, as it ensures that the refrigerant is in the appropriate state to absorb heat during the evaporation process in the evaporator coil. Proper insulation and sizing of the liquid line are essential to minimize energy loss and prevent refrigerant vaporization before reaching the expansion device.
What is the state of the refrigerant as it enters the expansion device?
The refrigerant is in a liquid state as it enters the expansion device.
If the processor requests something from a device and the device is not ready the device issues a?
wait state!! :)
What state pays the highest welfare to entering immigrants?
when we were in san antonio Texas they said you are from the welfare state minn. is minn. the highest paying state for welfare. we get a high number of immigrants entering the country.
Is breaking and entering a felony or misdemeanor in new york state?
In New York State burglary, the crime of entering a building with intent to commit a crime therein, is a felony.
What is the need of polarization?
The need for polarization is to determine the state of the device that is being polarized that is if the device is the state to conduct or blocked.
Can a state impose an import tax on God's entering from another state?
No ... and how would that be regulated.
What state is refrigerant entering the compressor?
Low pressure vapor
Does refrigerant enter evaporator as a liquid in a direct expansion evaporator?
It will, in basically all cases be a mixture of liquid and vapor, which means the refrigerant is saturated but with a few bubbles entering the evaporator. In a properly operating system though entering the metering device should be solid liquid and some sub-cooling (sub-cooled means cooler then saturation and therefore= no vapor) but then through the metering device (TXV, cap tube, orifice) some of the liquid will boil off, which is called flash gas, in order to cool the refrigerant down as saturated temperature goes down (the pressure to boiling point relation, as pressure is reduced boiling point is lowed). The amount of flash gas is directly related to the specific heat of the refigernt (BTUs/lb), the number of degrees you are cooling the refrigerant (eg. 95 to 45), and the latent heat of vaporization (BTUs/lb for change of state. liquid to vapor)
