Advanced exergy and exergoeconomic analysis of a multi-stage Rankine cycle system combined with hydrate energy storage recovering LNG cold energy

J Liu, T Zhou, S Yang - Energy, 2024 - Elsevier
In recent years, liquified natural gas (LNG) cold energy utilization technology has been
widely investigated due to the increasing global use of LNG. The LNG stored at− 162° C …

A novel system of liquid air energy storage with LNG cold energy and industrial waste heat: Thermodynamic and economic analysis

J Li, X Fan, Y Li, Z Wang, Z Gao, W Ji, L Chen… - Journal of Energy …, 2024 - Elsevier
Liquid air energy storage (LAES) is a promising technology for large-scale energy storage
applications, particularly for integrating renewable energy sources. While standalone LAES …

Design and multi-objective optimization of combined air separation and ORC system for harnessing LNG cold energy considering variable regasification rates

X Zheng, Y Li, J Zhang, Z Zhang, C Guo… - International Journal of …, 2024 - Elsevier
Regasification of liquefied natural gas (LNG) releases significant cooling potential, but
improper usage can easily lead to wastage of resources and environmental pollution. The …

Evaluations of energy, exergy, and economic (3E) on a liquefied natural gas (LNG) cold energy utilization system

T Wan, W Zhou, B Bai, P Zhang - International Journal of Hydrogen Energy, 2024 - Elsevier
The LNG cold energy utilization system primarily integrates additional power cycles during
the gasification process to harness the cold energy released in this process efficiently. This …

Pressure energy recovery of LNG integrated with multi-stage feedwater fuel preheaters in a combined cycle power plant

S Lee, D Kim, H Ha, MS Kim - Energy, 2023 - Elsevier
Liquefied natural gas and combined cycle power plants have emerged as solutions to the
intermittency of renewable energy sources, but they require innovative approaches for …

Natural refrigerant matching optimization and characteristic analysis of two-stage Rankine cycle for LNG cold power generation process

Z Li, N Zhang, L Cai - Applied Thermal Engineering, 2025 - Elsevier
Unlike most waste heat recovery, LNG is a multi-component mixture, low temperature and
wide boiling range make it difficult to achieve efficient recovery of cold energy with a …

A compression-free re-liquefication process of LNG boil-off gas using LNG cold energy

D Sun, C Wang, Q Shen - Energy, 2024 - Elsevier
Re-liquefying boil-off gas (BOG) of LNG is of great significance for energy conservation and
environmental protection. BOG is usually compressed before being liquefied with nitrogen …

4E analysis of novel direct expansion cycle-organic Rankine cycle-integrated hydrogen refueling station system using liquid hydrogen cold energy

HS Kim - Journal of Cleaner Production, 2024 - Elsevier
The global supply of fuel cell vehicles (FCEVs) is expected to increase to reduce carbon
emissions. The number of hydrogen refueling stations (HRSs) is increasing annually, and …

Role of CO2-based mixtures in the organic Rankine cycle using LNG cold energy

D Li, G Yin, W Gao, C Zhang - Sustainable Energy Technologies and …, 2024 - Elsevier
Organic Rankine cycle (ORC) is an attractive method for recovery of liquefied natural gas
(LNG). Zeotropic mixtures are optimal working fluids for improving the ORC power …

Green and Efficient Recovery and Optimization of Waste Heat and LNG Cold Energy in LNG-Powered Ship Engines

X Yang, Q Lei, J Zou, X Lu, Z Chen - Energies, 2023 - mdpi.com
This study focuses on the Wartsila 9L34DF engine and proposes an integrated system for
low-temperature carbon capture using the coupling of cold and hot energy recovery with …