Meng Yuan

• Doctor of Engineering
• Assistant Professor at Aalborg University

Building footprints are a geographical indication of the spatial distribution of built-up infrastructure, thereby reflecting energy demand patterns, including heating requirements. Heating demands spatial distribution shown in heat atlases are primordial for evaluating district heating systems feasibility, which are a key decarbonizing technology t...

Denmark has set a target of 4–6 GW electrolysis capacity by 2030, of which a part of the produced hydrogen is to be used for export, while the rest could be transformed further into electrofuels. The North Denmark Region has favourable conditions for the production of carbon-based fuels. The region has high availability of CO2 sources and a strateg...

Decarbonising the heating sector is one of the key elements to realizing the ambitious dual carbon goals of China, which is the largest carbon emitter and energy consumer globally. Currently, district heating (DH) systems have penetrated approximately 88% of the urban heating areas in Northern China. Nevertheless, around 90% of the heating demand i...

Large-scale battery storage solutions have received wide interest as being one of the options to promote renewable energy (RE) penetration. The profitability of battery storages is affected by the bidding strategy adopted by the operator and is highly dependent on the operation of the rest of the energy system. Nevertheless, the coordination betwee...

The smart building-integrated photovoltaic (SBIPV) systems have become the important source of electricity in recent years. However, many sociological and engineering challenges caused by temporal and spatial changes on demand-side and supply-side remain. In this paper, the barriers and traditional data utilization of SBIPV system causing the above...

As an essential part of Heat Integration, the heat exchanger network (HEN) plays a vital role in large-scale industrial fields. The optimisation of HEN can increase energy efficiency and considerably save the operating and investment cost of the project. This study presents a novel approach for simultaneous optimisation of plant operating variables...

The literature emphasizes the important role of industrial excess heat (IEH) and heat pumps (HP) in future 4th generation district heating and smart energy systems. However, they can potentially have negative or positive effects on the integration of renewable energy sources (RES). It is necessary to find a trade-off between IEH and HP in the trans...

Offshore oil and gas field development consumes quantities of electricity, which is usually provided by gas turbines. In order to alleviate the emission reduction pressure and the increasing pressure of energy saving, governments of the world have been promoting the reform of oil and gas fields for years. Nowadays, environmentally friendly alternat...

The electrification of transportation is currently seen as one of the key strategies in the sustainable energy transition. This work aims to identify the role of the electrification of transportation from a perspective of the mid-to-long term. The main focus is on the coupling of the deployment of electric vehicles (EV) and power system decarboniza...

Pump location optimization is a key issue in the design of water pipe networks to reduce energy consumptions and associated costs. The pump location variables in previous papers were typically discrete, resulting in potentially sub-optimal solutions. If the discrete variables are densified, the solving time increases substantially. To overcome the...

Promoting cleaner heating is one of the key pathways towards future energy transition. One promising solution is to implement large-scale heat pumps into the existing heat supply system. This paper aims to investigate whether the integration of large-scale heat pumps can be the first feasible step for cities towards clean heating transition. As opp...

Transportation electrification is currently seen as one of the key strategies in the sustainable energy system. This work aims to identify what role the transportation electrification in the urban agglomeration can play for heading towards a sustainable energy system from a medium-long term perspective, specifically analyzing the impacts of electri...

In coal-dominated regions, hydrogen by-product from refineries can be used to replace coal as heating fuel. This can be a viable method for reducing CO2 emissions. Given that hydrogen injection into existing natural gas pipeline networks is an economical way to utilise this clean gas, this paper explores its benefits by studying its supply chain op...

Unavoidable disruptions in the international oil supply create heavy pressures on the downstream oil market for oil-importing countries, especially China, whose high dependency on imported oil makes its downstream oil supply security an urgent issue. However, little attention has been paid to the supply security of the downstream oil industry with...

The reliable operation of the primary distribution of refined products supply chains is crucial in guaranteeing the demand for retail markets. The uncertainties such as demand, production, and inventory will affect the supply chain operation. However, there lacks literature that studies the reliability of demand‐side management of refined products...

Unavoidable disruptions in the international oil supply create heavy pressures on the downstream oil market for oil-importing countries, especially China, whose high dependency on imported oil makes its downstream oil supply security an urgent issue. However, little attention has been paid to the supply security of the downstream oil industry with...

成品油二次配送是油品供应链的重要组成部分，不同的配送方案将直接影响成品油销售企业 的利润。以配送总路径最短为目标函数，将成品油二次配送过程中实际的油罐车载质量、加油站油品需求量作为约束条件，考虑油品卸载时间窗，建立了成品油二次配送优化模型，提出了基于混合遗传模拟退火算法的求解方法，并分别使用不带时间窗与带时间窗的算例对模型及算法进行检验。结果表明：与优化前的成品油二次配送方案相比，不带时间窗的算例缩短行驶总路程3.66％ ；带时间窗的算例求解用时仅9.54 s，其计算速度快，且能够满足配送需求。因而证明了采用基于混合遗传模拟退火算法的成品油二次配送路径优化模型，不仅可以提高计算效率，而且搜索更全面，能够得到更优解。

With the increasing demand of refined products and growing concern about carbon emissions, the planned multi-product pipelines, serving as the primary way of refined products transportation, should be designed reasonably, economically, and low carbon-oriented so that the sustainable and environmentally friendly production and the rational construct...

优化成品油管道沿线泵站开泵方案可以降低管道运行能耗。以包含泵机组并联运行模式及配备变频泵的成品油管道为研究对象,考虑沿线节点压力、过泵流量等约束,基于已有批次输油计划,建立以运行时间内管道全线运行能耗总和最小为目标的混合整数线性规划模型(Mixed Integer Linear Programming,MILP),并利用分支定界算法求解。利用该模型求解了中国某条成品油管道的优化配泵方案,计算耗时213.76 s,所得结果符合约束限制,具有较强的实用性,可为中国成品油管道优化运行提供指导。

The oil and gas industry has paid increasing attention to energy consumption and is taking steps to reduce emissions owing to growing environmental concerns. In this study, a method for designing the optimization of crude oil pipelines is proposed to achieve both construction and energy consumption cost reductions. The method applied in this study...

One major problem in the progressive development of gas field is the expanding of gas gathering pipeline network, especially when the existing gathering pipeline system cannot satisfy the production requirements of the new wells. How to design the expanding scheme of the new block, and how to determine the best linking between the new wells and the...

Water transport systems play an essential role in increasing the productivity and efficiency of oilfields. Efforts toward water management and optimal allocation of water resources can help oilfield enterprises move to sustainable and cleaner production. In many oilfields, the water transport system requires both pipelines and trucks to meet the wa...

The petrol truck routing problem is an important part of the petrol supply chain. This study focuses on determining routes for distributing petrol products from a depot to petrol stations with the objective of minimizing the total travel cost and the fixed cost required to use the trucks. We propose a mathematical model that considers petrol trucks...

The site selection of the facilities in oilfields is one of the important issues for surface engineers. In the progressive development of oilfields, new wells are explored and developed, and new process facilities (PFs) should be constructed to gather and process the fluid from these new wells. The emission of the PFs will affect the surrounding en...

The planning of downstream oil supply chains (DOSCs) is important to guarantee that the demand of retail markets (RMs) can be satisfied. As an economic method for refined oil transport, pipelines are widely used in many DOSCs. The distribution cost can be reduced, and the efficiency can be improved by constructing new pipelines in a DOSC. In this p...

2018): Optimal design of an oil pipeline with a large-slope section, Engineering Optimization, ABSTRACT One of the important issues in the operation of a long-distance oil pipeline in a large-slope area is pressure control, especially for the section after the turning point. In this study, a method to optimally design an oil pipeline with a large-s...

The gas-gathering station (GGS) is a key component in the gas field, and its site selection is an important issue for designers. Since the diffusion of gas from the station may pollute the surrounding environment, it is a trend to consider the environmental and economic factors in the site selection of GGSs. In this study, a model is developed with...

Pipeline networks in oil fields, including gathering pipeline networks (GPNs) and water injection pipeline networks (WIPNs), are characterized by varied and complex structures and large investments. Optimizing the design of these networks is the key to reducing the development costs of oilfields. In the development method of cyclic water injection,...

A mixed integer linear programming (MILP) model is proposed for the reformation of natural gas pipelines. The model is based on the topology of existing pipelines, the load and pressure at each node and the design factors of the region and minimizes the annual substitution depreciation cost of pipelines, the annual construction depreciation cost of...

合理规划天然气供给系统是天然气市场调节的重要组成部分，有利于推动天然气行业供给侧改革，实现天然气产业可持续发展。天然气供给系统与天然气价格及需求紧密相关，通过对国内外相关研究成果进行调研，总结了全球范围内天然气价格波动的长期及短期影响因素，归纳了天然气需求量波动影响因素及预测方法。详述了近年来天然气市场多主体分析的主要研究成果，并依据输入参数类型梳理了国内外天然气供给链系统规划模型的最新进展。最后结合天然气市场调节系列问题的研究现状，提出了从供给侧出发的天然气市场调节思路，以期对中国天然气市场有效调节提供参考。

Route selection is the first and significant step for hazardous liquid railway network design project. Not only the economy, but the safety factors need to be considered for making a comprehensive analysis and determining an appropriate design plan. However, the railway network route selection is a complex multi-objective decision problem. Consider...

原油航运是石油供应链的重要组成部分，原油航运调度优化问题是航运企业面临的重要挑战， 众多学者开展相关研究以求节省企业运营成本。对目前原油航运调度优化问题相关研究成果进行评述，详细分析了影响因素、所建模型及求解算法，总结了原油航运相近领域可供借鉴的研究成果。此外，结合原油航运调度优化问题的研究现状，提出未来进一步研究的思考与展望，以期对今后开展原油航运调度优化提供借鉴。

成品油二次配送是将油品从油库运往加油站及客户的过程，是油品供应链中的重要组成部 分，与成品油销售企业的利润息息相关。通过对成品油二次配送的国内外研究成果进行调研，详述了二次配送的常用算法及其当前最新的研究成果，分析得出：随着智能物流的发展，主动配送将成为成品油二次配送未来的发展趋势。同时，由于成品油二次配送问题属于车辆路径问题（Vehicle Routing Problem，VRP），在模型构建和求解方法上有一定的相似性，因此，对车辆路径规划问题进行深入剖析，将其应用于成品油二次配送，进而探讨了成品油二次配送算法改进与发展的空间，给出了成品油二次配送的优化建议。

This paper develops an MILP model for designing multi-period natural gas transmission network to determine the connections of pipeline and the sites of compressor stations with consideration of terrains and obstacles. Equations of mass balance of network nodes, pressure drop of pipelines and pressure increase of compressors are all taken into accou...

The construction cost of subsea oil pipelines takes rather high portion in the overall developing investment in offshore oilfield, thus an effective design of subsea oil pipelines is one of the main measurements to decrease the cost in offshore oilfield. In this paper, a new method for design and optimization of subsea pipelines is proposed, which...