Effectiveness of orchard heaters effectivenessofo0723kepn Year: 1951 a Fig. 6. Types of commercially available heaters tested. Upper left to right: Hy-Lo 230A (24-inch stack); Riverside Junior Louvre (18-inch stack); Fugit (1937 model) with generator parts shown. Lower left to right: Jumbo Cone; 7-inch Exchange Model; Kittle. radiation will be warmer than the air, while fruit on the 'dark' side of a tree and exposed to the sky will be colder than the air. Since heat transfer to or from the air tends to average out variations be- tween individual fruits and leaves, air temperatures were us
Effectiveness of orchard heaters effectivenessofo0723kepn Year: 1951 a Fig. 6. Types of commercially available heaters tested. Upper left to right: Hy-Lo 230A (24-inch stack); Riverside Junior Louvre (18-inch stack); Fugit (1937 model) with generator parts shown. Lower left to right: Jumbo Cone; 7-inch Exchange Model; Kittle. radiation will be warmer than the air, while fruit on the 'dark' side of a tree and exposed to the sky will be colder than the air. Since heat transfer to or from the air tends to average out variations be- tween individual fruits and leaves, air temperatures were used for all heater comparisons. The total amount of fuel consumed during each run was determined by [14]
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