Open Access
ARTICLE
Xinyu Zhao1,2,*, Mofeng Li2, Kai Yan2, Li Yin3
Energy Engineering, DOI:10.32604/ee.2023.041580
Abstract This study presents an avant-garde approach for predicting and optimizing production in tight reservoirs,
employing a dual-medium unsteady seepage model specifically fashioned for volumetrically fractured horizontal
wells. Traditional models often fail to fully capture the complex dynamics associated with these unconventional
reservoirs. In a significant departure from these models, our approach incorporates an initiation pressure gradient
and a discrete fracture seepage network, providing a more realistic representation of the seepage process. The model
also integrates an enhanced fluid-solid interaction, which allows for a more comprehensive understanding of the
fluid-structure interactions in the reservoir. This is achieved through the incorporation of… More >
Open Access
ARTICLE
Weigang Jin1, Lei Chen2,*, Yifei Li2, Shencong Zheng2, Yuqi Jiang2, Hongkun Chen2
Energy Engineering, DOI:10.32604/ee.2023.043021
(This article belongs to this Special Issue: Renewable Energy Technologies for Sustainable Energy Production)
Abstract Along with the increasing integration of renewable energy generation in AC-DC power networks, investigating
the dynamic behaviors of this complex system with a proper equivalent model is significant. This paper presents
an equivalent modeling method for the AC-DC power networks with doubly-fed induction generator (DFIG)
based wind farms to decrease the simulation scale and computational burden. For the AC-DC power networks,
the equivalent modeling strategy in accordance with the physical structure simplification is stated. Regarding
the DFIG-based wind farms, the equivalent modeling based on the sequential identification of multi-machine
parameters using the improved chaotic cuckoo search algorithm (ICCSA) is conducted.… More >
Open Access
ARTICLE
Tianfeng Xu1, Tao Wang1, Chengming Ye2, Jing Zhang1, Peng Xi1, Yunhui Chen2, Gengwu Zhang3,*
Energy Engineering, DOI:10.32604/ee.2023.027537
Abstract In order to improve the reliability of power supply, the sophisticated design of the structure of electric cable
network has become an important issue for modern urban distribution networks. In this paper, an electric cable
path planning model based on heuristic optimization algorithm considering mixed-land scenario is proposed.
Firstly, based on different land samples, the kernel density estimation (KDE) and the analytic hierarchy process
(AHP) are used to estimate the construction cost of each unit grid, in order to construct the objective function of
comprehensive investment for electric cable loop network. Then, the ant colony optimization (ACO) was improved
in… More >