Tan, Chin Cheang (2006) Study On The Characteristics Of Ballastic Black Coated On Solar Evacuated Tubes – Determination Of Efficiency Factor For Varying Solar Insolations. Project Report. Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Mekanikal. (Submitted)
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Abstract
The important characteristics of Ballastic Black when mixing with Thinner was identify from this research. Volume percentage method is one criterion to mix the Ballastic Black and Thinner. The relevant properties are useful to estimate the efficiency of the solar evacuated tube. The thin film thickness is relevant to the percentage of the Ballastic Black. Besides, the surface roughness of each sample was measure by machine Surftest Mitutoya SV400 and the surface distribution is test by Scanning Electron Microscope (SEM). The absorptance and transmittance of different percentages of Ballastic Black and Thinner was test by hit with different wavelength. Efficiencies of solar useful heat gain can calculate by TRNSYS, SPF Report and Theoretical method. Transmittance-absorptance product was calculated by multiply the transmittance ratio of the uncoated sample into the absorptance ratio of the coated sample. This transmittance-absorptance product is important to calculate the collector thermal efficiency and the useful heat gain.
| Item Type: | Monograph (Project Report) |
|---|---|
| Subjects: | T Technology T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Kampus Kejuruteraan (Engineering Campus) > Pusat Pengajian Kejuruteraan Mekanikal (School of Mechanical Engineering) > Monograph |
| Depositing User: | Mr Engku Shahidil Engku Ab Rahman |
| Date Deposited: | 25 Apr 2023 03:00 |
| Last Modified: | 25 Apr 2023 03:00 |
| URI: | http://eprints.usm.my/id/eprint/58181 |
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