Hamed Shakouri G.

University of Tehran

The assessment of a theory is the main objective of scientists. Theories are always introduced by models, and model selection is applied to many various fields of scientific studies in order to corroborate or verify the theory as the winning one among a set of competing hypotheses. Different criteria are taken as bases to select one model among sev...

Hybrid renewable energy systems, combining various kinds of technologies, have shown relatively high Q2 capabilities to solve reliability problems and have reduced cost challenges. The use of hybrid electricity generation/ storage technologies as off-grid stand-alone systems is reasonable to overcome related shortcomings. Solar and wind energy are...

Predominance of fossil-fuel technologies and lack of enough incentives to expand sustainable technologies has intensified energy issues and the global warming problem. Combining mathematical programming and decision-making techniques, this paper proposes a novel comprehensive multistage method to insert sustainability costs in determining the optim...

Our world's future is strongly connected to energy consumption trends. There are bi-directional relations between energy consumption and the average temperature of Earth, leading to positive causal loops. Increasing temperatures cause activity of more cooling systems most of which are electrified by burning hydrocarbons that consequently yield more...

This paper introduces an optimization model developed for the steel industry, the most energy-intensive industrial sector in many countries. New methodologies for both aggregate production planning and energy supply management are developed to maximize profit while minimizing energy consumption and greenhouse gas (GHG) emissions. Moreover, uncertai...

Research suggests a strong correlation between a region's electricity consumption and its economic growth. Microgrids expand cleaner electricity production, improve electricity availability/reliability/resilience, and provide a more dependable platform for technology-based economic activities. This dependability has the potential to attract more in...

This manuscript proposes an intelligent supply and demand management system in a complete network of electricity production and consumption. A micro smart grid (MSG), which includes a solar cell, a wind turbine, a diesel generator, and battery storage system capable of trading energy with the smart gride (SG), connected to smart buildings with diff...

The governments have to ensure a sufficient supply of electricity every time, which guarantees energy security. Besides, sustainability is a prominent issue in energy network planning. Therefore, incorporating energy security in sustainable energy planning is vital. Some mathematical models for sustainable energy planning problems are developed in...

Sustainable electricity development is one of the requirements for achieving sustainable development in global communities. However, due to barriers, especially in less developed countries, there is little incentive to invest in the development of sustainable electricity technologies. Therefore, there should be a change in market mechanisms, and br...

Renewable electricity development is not a critical concern in fossil-fuel-rich countries in the Middle East and North Africa, where fossil fuels are abundant and accessible. As a result, the growth of fossil-fuel electricity generators reduces renewable electricity competitiveness and slows its development. Since renewable electricity has an insuf...

System dynamics approach is a tool to study socio-economic systems and make strategic decisions. However, it is not an appropriate planning method. For this purpose, optimization models are more powerful options. This paper represents a new combination of a system dynamics simulation with an optimization model to consider both aspects. For this pur...

The growth of energy consumption is a major problem in both developing and developed countries, which is needed its special solution. Residential buildings are responsible for a great proportion of energy consumption among different consumption sectors. Energy demand-side management (DSM) is one of the solutions, which is used in the past few decad...

Introduction. Electricity is one of the most important energy carriers used in buildings. With the introduction of smart grids (SG) and micro smart grids (MSG) along with smart buildings, a suitable platform for optimal planning of electricity production and consumption has been provided. In this paper, creating a model for managing loads in smart...

The apparel industry is considered a growth engine for developing countries. However, there are failure cases too. For example, Iranian producers face losing their domestic market share. To evaluate the reasons, system dynamics applied to model this industry from an economic perspective. The model is the first quantitative system dynamics model for...

In this study, a two-step method for the daily priority-based surgical case scheduling of elective patient of non-identical Operating Rooms (OR) is presented. In the first step, we present a mixed integer programming model to select patients from the waiting list and to assign the selected patients to the operating room. The objectives are to minim...

Purpose The Iranian construction industry has been grappling with numerous problems in recent years, including rework, high costs and design errors. Engineers in this field have always highlighted the use of modern technological methods of construction to improve quality and productivity and reduce time and cost. One of these technologies is the so...

Heretofore, oil prices have been continuously predicted by many researchers using various methods. Among so many factors affecting the oil market, this article foresees the future variations in oil price respecting the new emerging competitors in the oil market, namely unconventional oil, that has received less attention in previous works. The dyna...

Purpose The aim of the present study was to investigate potential anti-inflammatory effects of wet-cupping prior to a moderate-to-vigorous exercise test among martial arts athletes. Methods Twenty-one male karate athletes voluntarily participated in this study and were randomly divided into 3 groups: vigorous exercise (VE, n = 7), cupping (CT, n =...

Municipal solid waste can be considered both an opportunity and a threat. If it is not managed properly, it will cause pollution. On the other hand, it is a significant source of raw materials and energy. This paper aims to develop a multi-period multi-objective linear programming model to design a municipal waste management planning model. Cost, a...

Feed-in tariff (FiT) is one of the most efficient ways that many governments throughout the world use to stimulate investment in renewable energies (REs) technology. For governments, financial management of the policy could be challenging as it needs a considerable amount of budget to support RE producers during the long remuneration period. In thi...

In this study, educational demographics has been studied in the banking sector within a developing economy context targeting job allocations. In a system view, among organizational demography; educational demographics of staff should be regarded at various educational levels where the number of employees must be determined concerning job leveling a...

Energy consumption growth has recently increased significantly, especially in the residential sector of the country. In 2015, the residential sector consumption was 42% and 32/5% of the total country consumption of natural gas and electricity respectively. Considering the significant contribution of this sector to country's energy consumption, the...

Petrochemical industry plays a significant role to achieve highvalue-added from oil and gas reserves, especially for countries with huge resources of fossil fuels. This study aims to investigate and model the development dynamics of the petrochemical industry in Iran using system dynamics (SD) methodology. Consequently, after describing the interre...

تقاضای بالا و غیرمنطقی سوخت در ایران، مصرف بیش‌ازاندازه و گاهی غیرعقلانی سوخت در بخش‌های مختلف ازجمله حمل‌ونقل در کنار تأمین سوخت ارزان‌قیمت برای نیروگاه‌های تولید برق، عدم وجود استانداردهای صحیح در مصرف سوخت در بخش‌های مختلف، وابستگی شدید تأمین انرژی به سوخت‌های فسیلی را برای ایران به ارمغان آورده است. افزایش هزینه‌های تأمین انرژی با درنظرگیری رون...

In this study, a two-step method for the daily priority-based surgical case scheduling of elective patient of non-identical Operating Rooms (OR) is presented. In the first step, we present a mixed integer programming model to select patients from the waiting list and to assign the selected patients to the operating room. The objectives are to minim...

Customer need is the most important factor in the formation of each market and business. It engages companies in order to meet their need by developing new products and services. Although it can make an appropriate attraction for company customers, a company needs to have a good understanding of their customer dynamic behavior. Based on this unders...

In traditional business models of banking in developing economies, banks earn profit by attracting deposits and offering loans, facilities, and mortgages to customers. This approach has been for many years a predominant business model, while their key performance indicators (KPI) show lack of business profitability. This issue is a diversion from t...

Feed in tariff (FiT) is one of the most efficient ways that many governments throughout the world use to stimulate investment in renewable energies (REs) technology. For governments, financial management of the policy is very challenging as that it needs a considerable amount of budget to support RE producers during the long remuneration period. In...

Purpose Project portfolio management (PPM) is a commonly used technique to align projects with strategy and to ensure adequate resourcing for projects. In this paper, to gain a better understanding of PPM dynamics, a system dynamics (SD) model was developed. To do so, an Iranian independent power producer was used as a case study in the energy sec...

An examination of international political economy history shows that discovery of huge oil reservoirs has been playing an important role in defining and supporting the countries national interest. Undoubtedly, oil reserves in Iran are considered as intergenerational resources and maintaining intergenerational justice as well as enhancing national i...

Growing demand for electricity, reduction of fossil fuels, pollution from fossil fuels, and the importance of energy security have made it essential to plan for the use of various power generation technologies. In this paper using a mathematical programming and power industry data, the optimal share of different technologies for power generation co...

The growing development of gas-fired power plants over the last few decades has enhanced the interaction between power and natural gas sectors. As a result, considering an integrated gas and power network is essential to obtain a more precise and reliable analysis of generation and transmission capacity in the power network. This paper investigates...

Iran's energy supply system is highly dependent on fossil fuels due to excessive cheap fuel consumption used in transportation and power generation, as well as the lack of fuel economy standards for the appropriate amount of consumption. In addition, import of fuel derivatives such as gasoline makes fossil fuel usage a path-dependent process. Such...

Iran has vast natural gas resources. Natural gas, in addition to being an export commodity, can be used in different industries and sectors. This paper examines the economic evaluation of five industries, where natural gas has non-energy applications, including exports (pipelines and liquid natural gas), gas to liquid, methanol and injection, plus...

Nowadays the issue of energy and effort to reduce its consumption is a critical and fundamental issue in every country. High energy consumption in Iran and significant share of buildings in this consumption make obvious the necessity for technical investigation in this field. One of the suitable solution for reduction of energy consumption in build...

Energy management is one of the most essential steps to reduce the energy intensity. Sectors that provide public services such as public hospitals which benefit from low electricity prices are the major consumers of electrical energy. Therefore, they should have specific plans for energy management. In this study, it has been tried to present a pro...

Timely and adequate supply of vaccines in disastrous situations has a key role in controlling communicable diseases. This paper develops a specific option contract for proactively provisioning required vaccine doses from two suppliers (a main and a backup). The model aims to minimize the procurement and social costs using the SIR epidemic model. A...

This paper proposes a krill herd algorithm to solve a supply chain design problem for a family of products forming hierarchies of sub-assemblies and components. There may be multiple suppliers that can supply a component or many manufacturers and assemble the sub-assemblies. Therefore, there are several resource options for each activity, and there...

Various methods have been proposed to estimate the parameters of fuzzy linear regression models by possibility theory. A novel definition of the possibility of equality of two fuzzy numbers is introduced here. This novel equality of possibility is applied to objective function in the fuzzy linear regression model to obtain coefficients of the model...

Nowadays, considering the importance of the energy issue, it has become a major concern of economic topic. According to the energy balance sheet data, more than one third of the total energy consumption in Iran is consumed in the building sector. With regard to the massive waste of energy in the existing buildings, as well as the low efficiency of...

Demand side management (DSM) is one of the most interesting areas in smart grids, and presents households with numerous opportunities to lower their electricity bills. There are many recent works on DSM and smart homes discussing how to keep control on electricity consumption. However, systems that consider minimization of peak load and cost simult...

Iran has enormous energy resources and owns the second largest oil and gas reservoirs in the world. Cheap domestic energy prices and energy subsidies had led to a rapid increase in domestic energy consumption in the country. In 2010, increasing domestic energy prices and targeted subsidies reform were implemented. The objective of this article is t...

Sustainable development of renewable energies is one of the most fruitful solutions that governments use for facing the challenges like greenhouse gases emissions, global warming and energy security. Feed in tariffs (FiT) as an efficient policy that supports the renewable energies development, has been implemented around the world for years. This P...

Fluctuations in the oil global market has been a critical topic for the world economy so that analyzing and forecasting the conventional oil production rate has been examined by many researchers thoroughly. However, the dynamics of the market has not been studied systematically with regard to the new emerging competitors, namely unconventional oil....

The main purpose of the present study is to develop a simple yet proper top-down model for forecasting the energy demand of the residential and commercial sectors in Iran. This model can be used as a tool of scenario analysis to predict the emerging energy demand in future. The proposed model would be systematically developed and selected based on...

Sometimes, a new technology can have a significant impact on other technologies and existing processes. The planning and implementation of certain policies in order to adapt these new technologies with existing processes is essential. Advanced hydrocarbon (drop-in) biofuel production is an emerging technology that has the potential to influence the...

The recent decade witnessed both steep ascending and descending trends in global oil prices. As a main energy resource, oil has been playing a substantial role in contemporary world’s economics. Hence, analyzing and understanding short- to long-term dynamics of oil prices is still one of challenging issues in the global economic- and energy-related...

Recently, researchers have focused on how to minimize the negative effects of industrial activities on environment. Consequently, they work on mathematical models, which minimize the environmental issues as well as optimizing the costs. In the field of supply chain network design, most managers consider economic and environmental issues, simultaneo...

This research presents a mathematical model for oil and natural gas optimal allocation to different consumption sectors using operations research techniques. Sectors are residential and commercial, transportation, industries, agriculture, exports, injection to oil reservoirs and power plans as a secondary energy producer. Optimal allocation of ener...

The main purpose of the present study is to develop a simple yet proper top-down model for forecasting the energy demand of the residential and commercial sectors in Iran. This model can be used as a tool of scenario analysis to predict the emerging energy demand in future. The proposed model would be systematically developed and selected based on...

This paper presents a new application of covering-routing problem for planning of an Auxiliary Public Transportation Network (APTN) to assist conventional network through satisfying additional demand during the time periods of peak traffic. The objective is to plan the APTN so that additional demand coverage is maximized, while the APTN costs are m...

The increasing attention to greenhouse gas (GHG) emission all around the world has led researchers to investigate its causes. Energy use and economic growth can be categorized as the most important roots for this problem. The objective of this study is to investigate the causal relationship between energy use (EU), economic growth (GDP), and CO2 em...

Nowadays, energy management is highly regarded throughout the world. High energy consumption leads to high costs for consumers in the long term and at the national level. In this study by modified consumption patterns and presenting a proposed plan, it has been tried to optimize electrical energy consumption in hospitals. The proposed model is a go...

Nowadays, defining new projects is significantly vital and necessary for many organisations and companies. The problem arise here is how to select an appropriate portfolio from a set of candidate projects. A good combination of projects can extensively promote the organisations in their competitive performance. Thus, the purpose of this study is to...

Applying a MCDM model has many benefits for decision makers in the course of oil field master development plans preparation and evaluation. In this study, a multi-criteria decision making model is proposed in order to achieve an optimum production profile. The most important criteria and parameters for selection of best production profile are ident...

Applying a MCDM model has many benefits for decision makers in the course of oil field master development plans preparation and evaluation. In this study, a multi-criteria decision making model is proposed in order to achieve an optimum production profile. The most important criteria and parameters for selection of best production profile are ident...

Distributed generation is an approach to power generation by low capacity systems. In this paper small wind turbines are investigated as distributed generation systems used to satisfy household/commercial and agricultural sectors demand. This paper explains a decision-making process during which consumers can easily define appropriate Wind Energy C...

The goal of this study is finding the best location for constructing an offshore wind farm with respect to investment and operation costs and technical limitations. Wind speed, sea depth and distance between shore and wind farm are three major factors that affect the optimal solution. In other researches in this field, turbine installation technolo...

Despite considerable efforts to give diversity to world's energy supply portfolio, oil still has a significant share among energy carriers and plays a major role in economy of countries. Regarding dependency of Iran's economy on revenues of crude oil exports, investigations on the dynamics of crude oil production rate (considering the factors such...

Malaysia has abundant potentials of renewable energy resources in bio-power, solar PV systems and small-scale hydropower. Feed in Tariff mechanism has been applied since 2011 in Malaysia to expand utilization of renewable energy for electricity generation. In this study a comprehensive system dynamics model is developed to simulate the impacts of a...

There are different official estimations about current and future growth rate of Iran's population. Inadequacy and unreliability of data in addition to usage of unsuitable forecasting methods are the main reasons for existence of this variety. To have accurate estimates for year on year growth rate, in this research, a population system dynamics mo...

In recent years, lots of efforts have been devoted to the identification of the factors influencing residential energy consumption. Many factors affect energy consumption at the same time, leading to the lack of precision when identifying which factors are significant. This paper reports the results of performing factor analysis for examining the f...

Carbon capture, and storage (CCS) is a key technology to mitigate climate change. Since this technology is almost costly, utilization of the carbon dioxide captured by the system is proposed as a way to compensate its costs. Thus, attention has increasingly focused on how the captured CO2 can be optimally utilized or stored. Hereby, an optimization...

Annihilation or reduction of each kind of noise blended in correct data signals is a field that has attracted many researchers. It is a fact that fuzzy theory presents full capability in this field. Fuzzy filters are often strong in smoothing corrupted signals, whereas they have simple structures. In this paper, a new powerful yet simple fuzzy proc...

Carbon capture, and storage (CCS) is a key technology to mitigate climate change. Since this technology is almost costly, utilization of the carbon dioxide captured by the system is proposed as a way to compensate its costs. Thus, attention has increasingly focused on how the captured CO2 can be optimally utilized or stored. Hereby, an optimization...

Nowadays, the advance and enhance in competitive area, convert the supply chain management into one of the most important issues for industries, organization, and firms. Increasing the quality of products, decreasing the costs, and representing the satisfying service are the primary objectives of organization and managers. Apart from that, the amou...

This paper proposes a new covering-routing problem application for the public urban transportation network called Auxiliary Public Transportation Network (APTN) and uses to help the conventional network to cover the additional demands during peak period traffic. Our objective is to design an APTN so that additional demand coverage is maximized whil...

a b s t r a c t The aim of this paper is to solve a supplier selection problem under multi-price level and multi-product using interactive two-phase fuzzy multi-objective linear programming (FMOLP) model. The proposed model attempts to simultaneously minimize total purchas-ing and ordering costs, a number of defective units, and late delivered unit...

Energy management is being highly regarded throughout the world. High-energy consumption in residential buildings is one of the dominant reasons of excessive energy consumption. There are many recent works on the demand-side man- agement (DSM) and smart homes to keep control on electricity consumption. The paper is an intelligence to modify pattern...

for SCIRP and the owner of the intellectual property Armin Dehnad, Hamed Shakouri G. All Copyright © 2013 are guarded by law and by SCIRP as a guard-ian. ABSTRACT Energy management is being highly regarded throughout the world. High-energy consumption in residential buildings is one of the dominant reasons of excessive energy consumption. There are...

The present study has used LEAP model (Long-range Energy Alternative Planning System) in order to forecast the electricity demand of Iran's residential sector based on bottom-up approach. The model has been run under the business-as-usual (BAU) scenario, with inclusion of the plans and policies which have been done in the past and are active in the...

The growing concern about the negative effects of fossil fuels on the environment, and the limited resources of them have forced more intensive use of other energy sources. In absence of sufficient economically feasible renewable energies, nuclear power may play essential role in this field. Recently, the advantages and disadvantages of nuclear pow...

Published online 28 August 2012 in Wiley Online Library (wileyonlinelibrary.com). DOI 10.1002/ep.11692 Energy plays a key role in sustainable development. For-mulation of an energy model will help in the proper alloca-tion of available energy resources. The objective of this article is to allocate optimally to each end user a certain amount of ener...

Distributed generation is an approach to power generation by low capacity systems. In this paper small wind turbines are investigated as distributed generation systems used to satisfy household/commercial and agricultural sectors demand. This paper explains a decision-making process during which consumers can easily define appropriate Wind Energy C...

This paper reviews energy supply modeling studies and investigates studies which have used different energy supply models including MARKAL, TIMES, EFOM, WASP, JASP, MESSAGE, RETSCREEN, LEAP, NPEP, MESAP, NEMS and ENERGY2020 as well as other energy supply models in the world and Iran. Choosing proper indexes and based on experts opinions and using A...

In this paper, for selecting the most suitable energy supply model for Iran and for being familiar with advantages and disadvantages of the different models, thirteen famous energy supply models have been introduced and analyzed. The models consist of: MARKAL, TIMES, EFOM, WASP, JASP, MESSAGE, IDEAS, RETScreen, LEAP, NPEP, MESAP, NEMS and ENERGY202...

Natural resources constitute an essential part of a nation’s wealth. This is principally true in the case of OPEC countries and other petroleum producing and exporting countries. Applying decision aid models has many benefits for decision makers in the course of oil field master development plans preparation and evaluation. In this study, a multi-c...

The main purpose of the present study is to provide a proper model for forecasting electrical energy demand of Iran that can be used as a tool of scenario analysis to predict the emerging energy demand in future. In this way, this paper proposes a systematically developed model based on a previously performed exogeneity investigation of various qua...

Fuzzy filters are often strong in smoothing corrupted signals, whereas they have simple structures. In this paper, a new powerful, yet simple fuzzy procedure is introduced for sharpness reduction in two-dimensional signals. It is indeed an extension of our previously published one-dimensional fuzzy smoothing filter. The proposed method looks for sh...