What does the distributor ensure in a direct-expansion compression refrigeration system?

In a direct-expansion compression refrigeration system, the distributor plays a crucial role by ensuring that the liquid refrigerant is evenly distributed to all evaporators. This is vital for the efficient operation of the refrigeration system.

When refrigerant flows into the evaporators, it needs to cover the entire surface area to absorb heat effectively. An even distribution prevents any one part of the evaporator from becoming overloaded while others receive insufficient refrigerant, which could lead to inefficiencies or failures in cooling performance. This uniform distribution allows for optimal heat exchange and maintains consistent refrigeration throughout the system.

In summary, the distributor's function is essential for balancing the flow of refrigerant, ensuring that all parts of the evaporator operate effectively and contribute to the cooling process.