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Wireless mobile communication has become the interconnecting technological platform through which seamless services of data, voice and other value added services can be deployed within local, national and global platforms. As a means to integrating smart services, the mobile network must be efficient in terms of coverage and quality of service. This paper therefore investigates large scale propagation...
Enhancing the heat transfer rate is an important factor in a heat exchanger. There are various heat losses because of convection, conduction and radiation from the fluid to the atmosphere or to the construction material which reduces the performance of a heat exchanger. This paper focuses on developing a model for energy balance accounting the various energy losses based on experimental results. The...
We consider a price signal with two settings: off-peak tariff and on-peak tariff. Some loads are connected to specific electricity meters which allow the consumption of power only in off-peak periods. Historically, off-peak periods were located during the night and on-peak periods during the day. Changing the assignment of off-peak periods is an easy method for distribution system operators to access...
This paper is focused on sustainable development management principles with attention to optimal power flow (OPF) application in development tasks. Existing method for criterion calculations in development tasks with market conditions is taken as starting point. Methods for OPF problem solving and assumptions in development tasks are provided in the paper.
The growing concern about sustainable development in recent years has led companies as well as scientists to address the corresponding issues and challenges for the design and management of supply chains. There has already been a significant amount of published works in this domain, both in management and engineering journals. We present a review of the published works related to the design and planning...
This paper addresses the toll design problem for cordon-based congestion pricing with the objective of improving mode share of public transport system, so as to enhance the sustainability of transport system. In practice, cordon-based pricing has two unique features: (1) toll charge should be reduced, if congestion level is low; (2) toll charge on each entry link of one cordon should be identical...
This research is to analyze water resources development and utilization problems and explore rational deployment scheme of water resources in Beijing City to use limited water resources rationally and promote sustainable development of economy and society. According to current situation of water supply and water use in Beijing, and incoming water change of Guanting and Miyun reservoirs, effective...
With the rapid process of urbanization, how to make use of the limited space to guarantee the sustainable development of city has become an urgent problem. “compact city” as an strategy of city spatial development, is mainly used to control urban overspreading and achieve sustainable development. The paper puts forward the concept of "compact cell" in drawing lessons from the foundation...
Enterprise Reverse Logistics is an important part of sustainable development need to select the appropriate according to their mode of operation and evaluation system. This paper analyzes the operation of reverse logistics and characteristics of triangular fuzzy numbers through the use of AHP, the evaluation process demonstrated. Strive to make the enterprises attach importance to the operation and...
As a typical phenomenon of economic organization, industrial cluster constantly presents variety of features in the development process. Now, the research about industrial cluster development and maturity are abundant, but the recession is opposite lack. Seriously study the industrial cluster recession not only helps to enhance the cluster ability to withstand risks and improve the competitive advantage...
Process Integration (PI) is a powerful tool for designing and optimising processes for energy efficiency and sustainability. It has been widely extended and become both a part of most good degree studies curricula as a routine tool for advanced design and optimisation in various industries. However, sometimes its simplicity is still misunderstood. Even PI and in this contribution specifically heat...
Environmental concerns on the negative impact and depletion of fossil fuels have triggered a search for alternative energy sources. Biofuels are recognised as one of the most potential renewable alternatives. In order to have a sustainable production of biofuels, a processing facility (i.e., biorefinery) that converts biomass into value-added products is needed. As the first and second generations...
Liquid fertilizer applicators has aroused more and more concern along with the increasing quantity of liquid fertilizer. Deep-fertilization liquid fertilizer applicators meet with the requirement of environmental sustainable development. Pricking hole mechanism is a key component of deep-fertilization liquid fertilizer applicator. Parameters of pricking hole mechanism is the most important part of...
To fully address the problem of developing a polyculture milkfish farming strategy which optimizes the profits while keeping the water clean, research is divided into three phases. First, the Holling Type III is applied to build the All-Natural Model to simulate the original ecosystem when water quality was agreeable for coral growth. Then after analyzing the monoculture system, a conclusion is reached...
In this paper, I attempt to model for finding the optimal arrangement of providing phone service to a "Pseudo US". Taking the considerations of several social consequences, regarding providing phone service to the "Pseudo US" as a multi-objective programming problem, an optimization model is constructed in several different optimal methods including AHP and a more objective one-Fuzzy...
The advance in energy storage technologies allows to improve significantly the performances of electrified light transportation systems. This is aligned with the massive requirement of competitiveness compared to other transportation technologies in terms of sustainable energy and high reduction of environmental impact. The installation of stationary storage devices, as widely recognized, allows the...
Unlike mountainous areas, lowland areas have limited potential to generate energy from water flows. Instead, for water systems in lowland areas that continuously need to pump water out of the system, the focus should be set to saving energy in the present water management. This paper gives an introduction into possibilities to manage water systems in lowland areas in a sustainable manner. An example...
The feasibility study and design is a key for engineering assets sustainability. The sustainability-based project objectives are generally derived from a project environment investigation and then relayed to the criterions or standards associated to alternatives assessment and optimization excused by planer or designer. However, it is difficult to undertake a sustainability-based planning or designing...
The paper presents a new proposal for the design of a sustainable urban mobility system. Starting from an overview on the worldwide existing solutions and on the future trend, an innovative idea regarding the integration of two urban mobility systems is proposed: a metro transit system in underground and an electric and hybrid vehicles transport system on surface. The integration is aimed at the reduction...
The following topics are dealt with: rainfall forecast; GPS; sequence analysis; image coding; climate change; water environmental quality analysis; remote sensing; soil moisture estimation; optimization; evolutionary game model; Kalman filter; time series model; electrochemical heterogeneous catalytic process; video processing system; urban water management; geographic information system; fuzzy neural...
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