| タイトル | An economic and performance design study of solar preheaters for domestic hot water heaters in North Carolina |
| 本文（外部サイト） | http://hdl.handle.net/2060/19770013615 |
| 著者（英） | Jones, C. B.; Smetana, F. O. |
| 著者所属（英） | North Carolina State Univ. |
| 発行日 | 1977-03-01 |
| 言語 | eng |
| 内容記述 | The performance and estimated material costs for several solar preheaters for domestic hot water heaters using isolation levels present in North Carolina are presented. The effects of monthly variations in isolation and the direction of incident radiation are included. Demand is assumed at 13 gallons (49.2 liters) per day per person. The study shows that a closed circulation system with 82 gallons (310 liters) of preheated storage and 53.4 cu ft (4.94 cu m) of collector surface with single cover can be expected to cost about $800 and to repay it capital cost and interest (at 8%) in 5.2 years, assuming present electric rates increase at 5% per year. |
| NASA分類 | ENERGY PRODUCTION AND CONVERSION |
| レポートNO | 77N20559
NASA-CR-2813 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/182739 |
