• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of the air & waste management association >Total life cycle emissions of post-Panamax containerships powered by conventional fuel or natural gas
【24h】

Total life cycle emissions of post-Panamax containerships powered by conventional fuel or natural gas

机译：以传统燃料或天然气为动力的巴拿马型集装箱船的总生命周期排放量

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This study proposes an easy-to-apply method, the Total Life Cycle Emission Model (TLCEM), to calculate the total emissions from shipping and help ship management groups assess the impact on emissions caused by their capital investment or operation decisions. Using TLCEM, we present the total emissions of air pollutants and greenhouse gases (GHGs) during the 25-yr life cycle of 10 post-Panamax containerships under slow steaming conditions. The life cycle consists of steel production, shipbuilding, crude oil extraction and transportation, fuel refining, bunkering, and ship operation. We calculate total emissions from containerships and compare the effect of emission reduction by using various fuels. The results can be used to differentiate the emissions from various processes and to assess the effectiveness of various reduction approaches. Critical pollutants and GHGs emitted from each process are calculated. If the containerships use heavy fuel oil (HFO), emissions of CO2 total 2.79 million tonnes (Mt), accounting for 95.37% of total emissions, followed by NOx and SOx emissions,which account for 2.25% and 1.30%, respectively.The most significant emissions are from the operation of the ship and originate from the main engine (ME).When fuel is switched to 100% natural gas (NG), SOx, PM10, and CO2 emissions show remarkable reductions of 98.60%, 99.06%, and 21.70%, respectively. Determining the emission factor of each process is critical for estimating the total emissions. The estimated emission factors were compared with the values adopted by the International Maritime Organization (IMO).The proposed TLCEM may contribute to more accurate estimates of total life cycle emissions from global shipping.Implications: We propose a total life cycle emissions model for 10 post-Panamax container ships. Using heavy fuel oil, emissions of CO2 total 2.79 Mt, accounting for approximately 95% of emissions, followed by NOx and SOx emissions. Using 100% natural gas, SOx, PM10, and CO2 emissions reduce by 98.6%, 99.1%, and 21.7%, respectively. NOx emissions increase by 1.14% when running a dual fuel engine at low load in natural gas mode.
机译：这项研究提出了一种易于应用的方法，即总生命周期排放模型（TLCEM），可以计算出船舶的总排放量，并帮助船舶管理集团评估其资本投资或运营决策对排放产生的影响。使用TLCEM，我们显示了10艘巴拿马型集装箱船在缓慢汽蒸条件下25年生命周期内的空气污染物和温室气体（GHG）排放总量。生命周期包括钢铁生产，造船，原油开采和运输，燃料精炼，燃料加注和船舶运营。我们计算了集装箱船的总排放量，并比较了使用各种燃料减少排放的效果。结果可用于区分各种过程的排放并评估各种减排方法的有效性。计算每个过程中排放的关键污染物和温室气体。如果集装箱船使用重油（HFO），则CO2排放总计279万吨（Mt），占排放总量的95.37％，其次是NOx和SOx排放，分别占2.25％和1.30％。大量的排放来自船舶的运转，并且源自主机（ME）。当燃料转换为100％天然气（NG）时，SOx，PM10和CO2排放量分别显着减少了98.60％，99.06％和分别为21.70％。确定每个过程的排放因子对于估算总排放量至关重要。将估算的排放因子与国际海事组织（IMO）所采用的值进行比较。拟议的TLCEM可能有助于更准确地估算全球航运的总生命周期排放。启示：我们提出了10个岗位的总生命周期排放模型-Panamax集装箱船。使用重质燃料油，CO2排放总量为2.79 Mt，约占排放量的95％，其次是NOx和SOx排放量。使用100％的天然气，SOx，PM10和CO2排放量分别减少了98.6％，99.1％和21.7％。在天然气模式下以低负载运行双燃料发动机时，NOx排放量增加1.14％。

著录项

  • 来源
  • 作者

    Hua Jian; Cheng Chih-Wen; Hwang Daw-Shang;

  • 作者单位

    Natl Taiwan Ocean Univ, Dept Marine Engn, 2 Beining Rd, Keelung 20224, Taiwan;

    Natl Taiwan Ocean Univ, Dept Marine Engn, 2 Beining Rd, Keelung 20224, Taiwan;

    Natl Taiwan Ocean Univ, Dept Marine Engn, 2 Beining Rd, Keelung 20224, Taiwan;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号