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What are the factors that affect the heat transfer capacity of an evaporator?
The factors that affect the heat transfer capacity of an evaporator include the surface area available for heat transfer, the temperature difference between the refrigerant and the surrounding air, the airflow over the evaporator coils, the type of refrigerant used, and the cleanliness of the evaporator coils. Additionally, factors like humidity levels and system design can also impact the heat transfer capacity of an evaporator.
What is the ratio of heat capacities for evaporator and condenser?
Heat Capacity Ratio "C" is Zero for both Condensor & Evaporator
Why does the head pressure rise when the evaporator has an excess load?
the system capacity is max out
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.
How do you calculate evaporator size?
To calculate the size of an evaporator, you need to determine the desired cooling capacity, which is typically measured in BTUs or kilowatts. This involves assessing the heat load that needs to be removed from the system, considering factors such as temperature differences, fluid flow rates, and the properties of the refrigerant. Once the cooling capacity is established, you can use the appropriate formulas or manufacturer's specifications to select the evaporator surface area and design necessary to achieve that capacity efficiently. Additionally, factors like the type of evaporator (finned-tube, shell-and-tube, etc.) and operating conditions must be considered.
How does flash gas affects system capacity?
it expands it
What property of the ocean affects the climate the most?
Its heat capacity
What would Lowering the airflow over an evaporator do?
Lowering the airflow over an evaporator can reduce the rate at which heat is absorbed from the surrounding air, impacting the cooling efficiency of the system. This may lead to decreased cooling capacity, lower energy efficiency, and potential issues with frost or ice buildup on the evaporator coils.
Which is not an abiotic factor that affects an ecosystem capacity to support life?
sunlight
How does carrying capacity affect k-strategists?
The carrying capacity affects k-strategists because their population reaches equilibrium at the carrying capacity and they experience a carrying capacity that changes little from year to year.
Why ice formation on evaporator?
Ice formation on the evaporator can occur due to several reasons such as a dirty air filter restricting airflow, low refrigerant levels causing the coil to freeze, or a malfunctioning defrost system. When the evaporator coil freezes, it can impact the performance of the air conditioning system and may lead to reduced cooling capacity or complete system failure. Regular maintenance and timely repairs can help prevent ice formation on the evaporator.
What three things most directly affects carrying capacity?
Food, space, and water
