Sökning: "insulating gases"
Visar resultat 1 - 5 av 13 avhandlingar innehållade orden insulating gases.
1. Infrared laser spectroscopic methods for temperature and electric field strength measurements
Sammanfattning : .... LÄS MER
2. Blowing Agents in Rigid Polyurethane Foam - Analytical Studies - Technical and Environmental Aspects
Sammanfattning : Rigid polyurethane foam is used in many different applications because of its high insulating capacity. CFC-11 has been the predominant blowing agent due to its advantageous properties, especially its low thermal conductivity. LÄS MER
3. Long-Term Thermal Performance of Polyurethane-Insulated District Heating Pipes
Sammanfattning : The distribution of hot water in district heating pipes gives rise to energy losses. In order to minimise heat losses and maintain a high water temperature most district heating pipes produced today are insulated with rigid polyurethane foam. LÄS MER
4. Heat and Mass Transfer in Built Structures - Numerical Analyses
Sammanfattning : Heat and mass transport processes are often present simultaneously in built structures in building applications. The emphasis of this thesis is to contribute to knowledge about predicting the effects of combined heat and mass transport in built structures. LÄS MER
5. New Materials for Gas Sensitive Field-Effect Device Studies
Sammanfattning : Gas sensor control is potentially one of the most important techniques of tomorrow for the environment. All over the world cars are preferred for transportation, and accordingly the number of cars increases, unfortunately, together with pollutants. Boilers and powerplants are other sources of pollutants to the environment. LÄS MER
