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Mechanical Engineering

University of New Mexico

1949

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A Study Of The Thermal Conductivity Of Pumice, Joseph Mack Ralls Sep 1949

A Study Of The Thermal Conductivity Of Pumice, Joseph Mack Ralls

Mechanical Engineering ETDs

For the past several years, the use of pumice as a light weight aggregate building material has been increasing. At first, it was used only in the construction of building blocks. Recently, however, monolithic pumice concrete homes has been constructed in several New Mexico housing projects. One of the larger of these has been completed at Sandia Base in Albuquerque while still another is contemplated for Los Alamos, New Mexico.


The Design And Construction Of An Air Conditioning Unit For Instructional Use, George Joseph Hildebrandt Sep 1949

The Design And Construction Of An Air Conditioning Unit For Instructional Use, George Joseph Hildebrandt

Mechanical Engineering ETDs

The purpose of this paper is to present an air conditioning unit which was designed and constructed for instructional purposes. The unit, which has two parallel cooling coils so that both the methods of vapor and cold water refrigeration can be demonstrated either individually or simultaneously, consists of filters, cooling coils, humidifier or spray chamber, reheat coil, and fan.