Page 187 - Introduction to Marine Engineering
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Refrigeration, air conditioning and ventilation 173
The cooler in the cargo space is arranged for air circulation over it and
then through the cargo before returning. An arrangement of fans and
ducting direct the air to the cooler and below the cargo (Figure 9.8). The
cargo is stacked on gratings which allow the passage of cooled air up
through the cargo.
For small refrigerated cargo spaces or provision rooms a direct
expansion primary refrigerant system may be used (Figure 9.9). The
Figure 9,8 Cargo space arrangements
Figure 9.9 Direct expansion system
