to condenser or 

 waste to atmosphere 



radiation *. na vonvecton 

 l^ = ambient tempersRjre 



plus approximst^Y 



28°F 



L 



\ 



Figure 19. Simplest arrangement for cooling heat pipes during storage cr shipment 

 where water supply is limited, as on trains. System requires makeup of 

 about 3 gallons of water an hour. 



27 



