The variations of the dimensions and locations of two stacked parasitic elements on the input impedance SWR bandwidth and radiation patterns of aperture-coupled rectangular microstrip antennas are analyzed. It is found that the SWR bandwidth can be improved by selecting appropriate sizes and locatio
โฆ LIBER โฆ
Theoretical and experimental study of a two channel air heater with perforated first absorber
โ Scribed by S.Sh. Soulayman
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 212 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0960-1481
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The thermal heat performance of a solar air collector depends strongly on the thermal heat loss and the e$ciency factor. In order to increase these performances, it is necessary to use a solar air collector which is well insulated and where the #uid #ow is fully developed turbulent #ow. It needs a h