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Author:

Ping, Xu (Ping, Xu.) | Yao, Baofeng (Yao, Baofeng.) | Zhang, Hongguang (Zhang, Hongguang.) (Scholars:张红光) | Zhang, Hongzhi (Zhang, Hongzhi.) | Liang, Jia (Liang, Jia.) | Yuan, Meng (Yuan, Meng.) | Niu, Kai (Niu, Kai.) | Wang, Yan (Wang, Yan.)

Indexed by:

EI Scopus SCIE

Abstract:

The improvement of the overall utilization rate of compressed natural gas (CNG) engine fuel is the basis of efficient energy utilization. On the foundation of heat balance theory of internal combustion engines, this study fully considers the operation characteristics of CNG engines and systematically analyzes the distribution characteristics of different waste heat under variable working conditions. The nonlinear relationship between speed and intercooler heat source becomes evident with the increasing of intake mass flow rate. In accordance with the structural characteristics, the thermodynamic model, heat transfer model and environmental model of dual-loop organic Rankine cycle (DORC) are constructed. The system potential in full working environments is systematically evaluated. Compared with the speed, airmass flow has a significant effect on comprehensive performance of loop. The maximum power, heat transfer area and power output of per unit heat transfer area (POPA) of DORC are 36.42 kW, 23.34 m(2), and 1.75 kW/m(2), respectively. According to the operating characteristics of different loops, the variation laws of loop performance under the influence of multiple parameters are analyzed. The synergistic influence laws of multiple variables on system performance are also analyzed.

Keyword:

thermoeconomic analysis energy efficiency thermodynamic analysis CNG engine dual loop organic Rankine cycle environment analysis

Author Community:

  • [ 1 ] [Ping, Xu]Beijing Univ Technol, Fac Environm & Life, Key Lab Enhanced Heat Transfer & Energy Conservat, Beijing Key Lab Heat Transfer & Energy Convers,MO, Beijing 100124, Peoples R China
  • [ 2 ] [Yao, Baofeng]Beijing Univ Technol, Fac Environm & Life, Key Lab Enhanced Heat Transfer & Energy Conservat, Beijing Key Lab Heat Transfer & Energy Convers,MO, Beijing 100124, Peoples R China
  • [ 3 ] [Zhang, Hongguang]Beijing Univ Technol, Fac Environm & Life, Key Lab Enhanced Heat Transfer & Energy Conservat, Beijing Key Lab Heat Transfer & Energy Convers,MO, Beijing 100124, Peoples R China
  • [ 4 ] [Zhang, Hongzhi]Beijing Univ Technol, Fac Environm & Life, Key Lab Enhanced Heat Transfer & Energy Conservat, Beijing Key Lab Heat Transfer & Energy Convers,MO, Beijing 100124, Peoples R China
  • [ 5 ] [Liang, Jia]Beijing Univ Technol, Fac Environm & Life, Key Lab Enhanced Heat Transfer & Energy Conservat, Beijing Key Lab Heat Transfer & Energy Convers,MO, Beijing 100124, Peoples R China
  • [ 6 ] [Yuan, Meng]Beijing Univ Technol, Fac Environm & Life, Key Lab Enhanced Heat Transfer & Energy Conservat, Beijing Key Lab Heat Transfer & Energy Convers,MO, Beijing 100124, Peoples R China
  • [ 7 ] [Niu, Kai]Beijing Univ Technol, Fac Environm & Life, Key Lab Enhanced Heat Transfer & Energy Conservat, Beijing Key Lab Heat Transfer & Energy Convers,MO, Beijing 100124, Peoples R China
  • [ 8 ] [Wang, Yan]Beijing Univ Technol, Fac Environm & Life, Key Lab Enhanced Heat Transfer & Energy Conservat, Beijing Key Lab Heat Transfer & Energy Convers,MO, Beijing 100124, Peoples R China

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Source :

ENERGIES

Year: 2022

Issue: 21

Volume: 15

3 . 2

JCR@2022

3 . 2 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:49

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 5

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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