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Nath, Prem
- Solar Drying of Veneer and Minor Forest Produce
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Indian Forester, Vol 109, No 5 (1983), Pagination: 309-312Abstract
Packed hed type solar air heaters having total collector area 10.3 m3 in 11 m length have been found to yield maximum outlet air tempentures between 90°C and 105°C during April to June at Dehra Dun at air mass flow rates between 2.77 and 5.54 kg/min. Average journal solar collection efficiencies varied between 45.5 and 62%. It is established that temperatures suitable for accelerate drying of veneer, sheet materials, wood wool and minor forest produce on a cottage or small scale can be easily and cheaply achieved by these solar air healers. A 10.3 m2 collector area has been estimated to sulie for a charge capacity of 51 m3 of 2 m n thick green veneer (chargetime 3½ hrs), somewhat more than 28 kg of sal seed (charge time 6½ hrs), and more than 900, 10-leaf bundles (charge 6½ hrs). Possibilities of supplemental solar heating of existing steam heated dryers by this system also exist.
- Some Small-Scale Industries Based on Timbers of the Himalayan Region of Uttar Pradesh
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Indian Forester, Vol 104, No 6 (1978), Pagination: 421-430Abstract
Some small-scale industries based on timbers of the Himalayan region and suitable for establishment in the hill areas have been described. These are manufacture of compressed wood shuttle blocks, cotton mill pirn blocks, pencil slats, tool handles and tent mallet heads, semi-finished frames of tennis and badminton rackets, mathematical instruments etc. Approximate investments involved, machinery and inputs required and manufacturing proceses have also been briefly indicated.- Forest Influences
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Indian Forester, Vol 83, No 7 (1957), Pagination: 416-450Abstract
A study of soil temperatures and humidity was started in the Demonstration area of New Forest, F.R.I. in May I953 with a view to studying the differences in temperatures and humidity due to afforestation as compared to those in open. The interim results drawn from the data collected so far are given under "Conc1usion" at the end.- Chemical, Semichemical and Mechanical Pulps From Eucalyptus grandis
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Indian Forester, Vol 93, No 6 (1967), Pagination: 360-372Abstract
no abstract- Neutral Sulphite Semi-chemical Pulps from Eucaltptus grandis
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