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The function of the condenser is too increase refrigeration pressure lose the heat from the refrigerant add heat to the refrigerant reduce the fridge aration pressure?
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lose the heat from the refrigerant
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Does an overcharge of refrigerant affect suction pressure?
In a simple system with a fixed orfice expansion device for example, an overcharge will increase suction and head pressure. Compressor amps will also increase. Overall refrigeration capacity will be reduced. lc
How refrigeration cause a decrease or an increase in urine specific gravity?
Most liquids get denser as they get colder.
What is definition of high head pressure in a air conditioner?
High head pressure is due to the lack of heat removal during the condensing process of the refrigerant cycle. The outdoor condenser is there to transfer the heat out and condense the refirgerant into a liquid. When ever the condenser is dirty or the fan motor is not working right the result is an increase in temp. and since pressure and temp are directly related the refirgerant pressure is increased thus the term high head
How subcooling increase the COP of vapour compression refrigeration?
The sub-cooling or under-cooling in the saturated liquid line increases the refrigeration effect or cooling effect, thus the COP of VCR system increases.
What is a function of a lever?
is to apply leverage To increase the resistance that can be moved with a given effort, e.g. a crowbar. To increase the velocity at which an object will move with a given force, e.g. a Golf club.
Does an overcharge of refrigerant affect suction pressure?
In a simple system with a fixed orfice expansion device for example, an overcharge will increase suction and head pressure. Compressor amps will also increase. Overall refrigeration capacity will be reduced. lc
Does refrigerant enter the compressor as a low temperature low pressure gas?
Yes. The basic components of the refrigeration system are the refrigerant, compressor, condenser and receiver, expansion device and the evaporator. One cycle: Refrigerant travels to Compressor (A) to Condenser (B) to Expansion device (C) to evaporator (D). The refrigerant gas at low pressure and temperature is drawn into the compressor. The gas is compressed to a higher pressure, which causes an increase in the temperature. The refrigerant gas at a high pressure and temperature passes to the condenser (point B), where it is cooled (the refrigerant gives up its latent heat) and then condenses to a liquid. The high pressure, low temperature liquid is collected in the receiver. The high pressure liquid is routed through an expansion valve (point C), where it undergoes an abrupt reduction in pressure. That pressure reduction causes part of the liquid to immediately vaporize or flash. The vapor and remaining liquid are cooled to the saturation temperature (boiling point) of the liquid at the reduced pressure. At this point most of the refrigerant is a liquid. The boiling point of the liquid is low, due to the low pressure. When the liquid refrigerant enters the evaporator (point D), it absorbs heat from the process and boils. The refrigerant gas is now at low pressure and temperature, and enters the suction side of the compressor, completing the cycle.
Why the vacuum is maintained in condenser?
For increasing steam turbine efficiency. if vacuum is not maintained then, uncondensable gases and air in condenser will increase the condenser pressure.
Why as load increase the condenser temperature will also increase?
Because the more the load the more the temperature.
Describe flash gas and tell how affects system capacity?
Flash gas is a refrigerant in gas form produced spontaneously when the condensed liquid is subjected to boiling. Flash gas reduces the efficiency of the refrigeration cycle, and causes an increase in super heating at the evaporator.
Difference between compression refrigeration and absorption refrigeration?
Compression refrigeration uses a compressor to increase the pressure of the working fluid after the evaporator. Absorbtion refrigeration uses heat (usually waste heat from another process) to raise the pressure.
How refrigeration cause a decrease or an increase in urine specific gravity?
Most liquids get denser as they get colder.
Part of the microscope that is used to increase the amount of light passing through the specimen?
The part of the microscope is called the Condenser
What is definition of high head pressure in a air conditioner?
High head pressure is due to the lack of heat removal during the condensing process of the refrigerant cycle. The outdoor condenser is there to transfer the heat out and condense the refirgerant into a liquid. When ever the condenser is dirty or the fan motor is not working right the result is an increase in temp. and since pressure and temp are directly related the refirgerant pressure is increased thus the term high head
AC sub cooling reading?
How do you measure Sub-Cooling for a R-22 AC system SUB-COOLING IS THE THE "HEAT BELOW SATURATION". THE SUB-COOLING LEAVING THE CONDENSER IS CALCULATED BY TAKING THE (ACTUAL)CONDENSING TEMPERATURE AND THEN SUBTRACTING (MINUS)THE LIQUID REFRIGERANT TEMPERATURE (USE THE CHART)LEAVING THE CONDENSER.=THE SUBCOOLING. NORMAL SUBCOOLING AT THE CONDENSER OUTLET SHOULD BE 10*F. THIS WILL ENSURE THAT LIQUID WILL NOT FLASH INTO VAPOR BEFORE IT GETS TO THE EXPANSION VALVE, SHOULD THERE BE A SLIGHT INCREASE IN TEMPERATURE OR A SLIGHT DECREASE IN PRESSURE DUE TO A PRESSURE DROP. SUB COOLING INCREASES CAPACITY & PREVENTS FLASH GAS IN THE LIQUID LINE AHEAD OF THE EXPANSION VALVE. I HOPE THIS IS VERY CLEAR, AND HELPS U FIGURE OUT HOW TO MEASURE IT. TODD S. FISCHER, PRESIDENT OF THE TAMPABAY CHAPTER OF RSES THE REFRIGERATION SERVICE ENGINEERS SOCIETY- BECOME A MEMBER SOON!!
Why the vacuum is maintained in Steam condenser?
It is important to maintain a vacuum in a condenser if you want it to work well.
How subcooling increase the COP of vapour compression refrigeration?
The sub-cooling or under-cooling in the saturated liquid line increases the refrigeration effect or cooling effect, thus the COP of VCR system increases.
