| タイトル | Waste heat recovery from adiabatic diesel engines by exhaust-driven Brayton cycles |
| 本文（外部サイト） | http://hdl.handle.net/2060/19840024237 |
| 著者（英） | Khalifa, H. E. |
| 著者所属（英） | United Technologies Research Center |
| 発行日 | 1983-12-01 |
| 言語 | eng |
| 内容記述 | An evaluation of Bryton Bottoming Systems (BBS) as waste heat recovery devices for future adiabatic diesel engines in heavy duty trucks is presented. Parametric studies were performed to evaluate the influence of external and internal design parameters on BBS performance. Conceptual design and trade-off studies were undertaken to estimate the optimum configuration, size, and cost of major hardware components. The potential annual fuel savings of long-haul trucks equipped with BBS were estimated. The addition of a BBS to a turbocharged, nonaftercooled adiabatic engine would improve fuel economy by as much as 12%. In comparison with an aftercooled, turbocompound engine, the BBS-equipped turbocharged engine would offer a 4.4% fuel economy advantage. If installed in tandem with an aftercooled turbocompound engine, the BBS could effect a 7.2% fuel economy improvement. The cost of a mass-produced 38 Bhp BBS is estimated at about $6460 or 170/Bhp. Technical and economic barriers that hinder the commercial introduction of bottoming systems were identified. Related studies in the area of waste heat recovery from adiabatic diesel engines and NASA-CR-168255 (Steam Rankine) and CR-168256 (Organic Rankine). |
| NASA分類 | URBAN TECHNOLOGY AND TRANSPORTATION |
| レポートNO | 84N32307
NAS 1.26:168257
NASA-CR-168257
DOE/NASA/0304-1 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/158571 |
