REGARDING THE THEORETICAL AND METHODOLOGICAL FOUNDATIONS OF SYSTEM MANAGEMENT OF ENERGY EFFICIENCY AND ENVIRONMENTAL POLLUTION BY ROAD TRANSPORT

2020 ◽  
Vol 264 (4) ◽  
pp. 2-9
Author(s):  
Oleksiy Klimenko ◽  
Keyword(s):  
Energy Efficiency ◽  
Life Cycle ◽  
Environmental Pollution ◽  
Management System ◽  
Road Transport ◽  
Transportation Infrastructure ◽  
Raw Material ◽  
System Management ◽  
Infrastructure Maintenance ◽  
Material Extraction

Suggestions for the development of theoretical and methodological foundations of system management of energy efficiency and environmental pollution by road transport in the life cycle are given. It takes into account all essential areas covering transportation, infrastructure, maintenance, also energy, chemical and automotive industries, raw material extraction, utilization, and related processes of energy consumption and environmental pollution, distributed in space and time. A universal structural scheme of the “supersystem” is proposed, which reflects the processes of consumption of energy, material and other resources, distributed environmental pollution through the functioning of road transport and related industries, and linked damage as well. The target function of the “supersystem” can be represented as the fulfilment during a certain period (covering the life cycle of the main elements – objects of influence (regulation) and investment of financial resources) of the specified volumes of certain types of transport work with the minimum possible and economically justified consumption of energy, consumables, materials, other resources (including those consumed by the transportation, infrastructure, maintenance, also energy, chemical and automotive industries, raw material extraction, utilization), the minimum possible losses due to artificial pressure on the recipients (human beings, fauna and flora, buildings, etc.) of directly the transport system and infrastructure, as well as side effects of processes in other elements of the “supersystem”, that may be reduced to the total cost of transport, taking into account the inflation index of monetary units. It is proposed to carry out a mathematical description of complicated sets, dynamically distributed in the space of objects that change the structure and properties over time, based on the further development of such a tool as the theory of multisets. In a simplified form, it is presented an example of a fragment of the management system based on measures to regulate the first access of vehicles to the market, further operation, and to certain elements of infrastructure, with the introduction of low emission zones in cities. The development, creation and effective functioning of the management system of transport and related sectors of the economy in those mentioned above and other parts, requires a coherent system approach based on forecasting (modelling) the consequences of decisions, which can be implemented using the tools described in this article. Keywords: wheeled vehicles, road transport, systems management, energy efficiency, environmental pollution.

scholarly journals Advances in Conceptual Ship Design Accounting for the Risk of Environmental Pollution

2021 ◽  
Vol 5 (1) ◽  
pp. 25-41
Author(s):  
Yordan Garbatov ◽  
Petar Georgiev Georgiev
Keyword(s):  
Energy Efficiency ◽  
Life Cycle Assessment ◽  
Life Cycle ◽  
Optimal Design ◽  
Service Life ◽  
Environmental Pollution ◽  
Ship Design ◽  
Design Solutions ◽  
Input Variables ◽  
Energy Efficiency Design Index

The present paper provides a thorough analysis of the prerequisites in adopting a new paradigm in the conceptual ship design accounting for the environmental pollution driven by maritime transportations. A survey of presently issued IMO environmental requirements outlines the framework within ship design solutions. Identified and carefully examined are several competing optimal design solutions, based on the energy efficiency design index introduced for shipbuilding, operation cost, and the resale costs at the end of the service life, which are used as input variables in a risk-based analysis. Reviewed are the immediate steps taken in the risk-based conceptual ship design to minimise the risk of environmental pollution while considering the life cycle assessment and energy efficiency of the ship propulsion system. Brought forth in the current paper are the results of a study into the concept design of series of containerships operating in the Black Sea for transporting 20, 40 and 45-foot containers aimed at identifying the main dimensions, capacity, visibility, freeboard, stability, bow, and stern design, propulsion complex and propeller design, control and manoeuvrability, seakeeping, energy efficiency design index, capital, and operational expenditures, that leads to the required fright rate for the ships in the range of 4,000 to 14,000 DWT. Accordingly, a bulk carrier’s risk-based concept ship design methodology is employed for the ship life cycle assessment and energy efficiency in pursuance of the optimal design solution in reference to the energy efficiency design index as most applicable to shipbuilding, operation, and resale costs at the end of the service life, and used as input variables in the risk estimate.

scholarly journals Integrated hybrid life cycle assessment and supply chain environmental profile evaluations of lead-based (lead zirconate titanate) versus lead-free (potassium sodium niobate) piezoelectric ceramics

2016 ◽  
Vol 9 (11) ◽  
pp. 3495-3520 ◽  
Author(s):  
T. Ibn-Mohammed ◽  
S. C. L. Koh ◽  
I. M. Reaney ◽  
A. Acquaye ◽  
D. Wang ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Lead Zirconate Titanate ◽  
Lead Zirconate ◽  
Raw Material ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Hybrid Life Cycle Assessment ◽  
Material Extraction

Contrary to conventional knowledge, LCA of PZT vs. KNN indicates the presence of niobium in KNN constitutes far greater impact across all the 16 categories considered in comparison with PZT. The increased environmental impact of KNN occurs in the early stages of the LCA due to raw material extraction and processing.

scholarly journals A Framework for Life Cycle Assessment and Cost Analysis of Precast and Cast-in-Place Buildings in United States

10.29007/f3tz ◽  
2020 ◽  
Author(s):  
Tanmay Vasishta ◽  
Mohammed Mehany
Keyword(s):  
United States ◽  
Life Cycle ◽  
Environmental Impacts ◽  
Construction Projects ◽  
Probabilistic Approach ◽  
Raw Material ◽  
Future Research ◽  
Complete Life Cycle ◽  
The World ◽  
Material Extraction

The concept of construction sustainability has been gaining traction over years now. A large number of tools has been used to assess economic and environmental impacts of the buildings. LCA and LCCA are one of the most widely used tools to evaluate the environmental and economic impacts of the buildings over their complete life cycle. The aim of this research is to develop a framework for assessing the economic and environmental impacts of precast and cast-in-place buildings constructed in United States through Open LCA software. The study will include unit processes and material flows from raw material extraction and manufacturing phase to demolition phase of a building (cradle-to-grave) over the life span of 50 years. The developed framework for LCA and LCCA could be applied to all concrete construction projects across the world and could be used as platform for conducting future LCA and LCCA studies as well. Future research could be conducted through probabilistic approach of calculating the annual cost impacts over the complete life cycle of a building.

scholarly journals Penilaian Kitar Hayat Suatu Pengenalan

2012 ◽  
Author(s):  
Saidah Md Said ◽  
Amir Hamzah Sharaai ◽  
Sitty Nur Syafa Bakri
Keyword(s):  
Climate Change ◽  
Environmental Management ◽  
Land Use ◽  
Life Cycle Assessment ◽  
Life Cycle ◽  
Ozone Depletion ◽  
Human Activities ◽  
Pollution Prevention ◽  
Raw Material ◽  
Material Extraction

Penilaian Kitar Hayat (LCA) merupakan alat untuk menilai dan membanding impak alam sekitar oleh aktiviti manusia terhadap proses atau produk daripada awal hingga akhir hayatnya. Penggunaan sumber dan pembebasannya kepada alam sekitar berlaku pada pelbagai peringkat kitar hayat sesebuah produk daripada pengekstrakan bahan mentah, pemerolehan tenaga, penghasilan dan pembuatan, penggunaan, kitar semula dan pelupusan. Kesemuanya berpotensi menyumbang kepada perubahan iklim, penipisan lapisan ozon, pengasidan, eutrofikasi, bebanan ketoksikan terhadap kesihatan manusia dan ekosistem, pengurangan sumber, guna tanah dan sebagainya. Kertas kerja ini bertujuan memperkenalkan kerangka dan prosedur dalam melakukan kajian LCA, aplikasi, kelebihan dan pembatasan LCA untuk diaplikasikan ke dalam pengurusan alam sekitar dan pencegahan pencemaran. Kata kunci: Penilaian Kitar Hayat (LCA); pengurusan alam sekitar; pencegahan pencemaran Life Cycle Assessment (LCA) is a tool to measure and compare the environmental impacts by human activities of a process or product from cradle to grave. Resources consumption and emission to environment occur at many stages in a product’s life cycle from raw material extraction, energy acquisition, production and manufacturing, use, recycling until the disposal. These potentially contribute to climate change, ozone depletion, acidification, euthrophication, toxicological stress on human health and ecosystems, the depletion of resources, land use, and others. This paper introduces the LCA framework and procedure, applications, advantage and limitation of LCA as well as its application in environmental management and pollution prevention scenarios. Key words: Life Cycle Assessment (LCA); environmental management; pollution prevention

scholarly journals The Assessment of the Environmental Impact of Selected Plastics

2020 ◽  
Vol 8 (11) ◽  
pp. 420-425
Author(s):  
Lubica Bednarova ◽  
Romana Dobáková ◽  
Marián Lázár ◽  
Natália Jasminská ◽  
Tomáš Brestovič ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Present Article ◽  
Raw Material ◽  
Environmental Burden ◽  
Environmental Life Cycle Assessment ◽  
Material Extraction

The present article deals with a method of the environmental Life Cycle Assessment (LCA) as a tool for the evaluation of environmental burden of selected products. The assessment of the life cycle of individual products should be carried out while considering emissions released during production, use and disposal of products and during processes of raw material extraction, production of materials and energy, auxiliary processes or sub-processes.    

scholarly journals Global Warming Impact and Energy Analysis of Tempeh Made from Local and Imported Soybean

2019 ◽  
Author(s):  
Muhamad Ifdholy ◽  
Muhammad Romli ◽  
Edi Wiloso
Keyword(s):  
Energy Efficiency ◽  
Life Cycle ◽  
Environmental Impact ◽  
Ghg Emissions ◽  
Raw Material ◽  
Net Energy ◽  
Global Warming Impact ◽  
Net Energy Ratio ◽  
Material Transportation ◽  
Net Energy Value

AbstractIndonesia is a country with the largest number of tempeh producers in the world. However, the practice of tempeh production by most entrepreneurs has not paid enough attention to environmental aspects. In this study, Life Cycle Assessment (LCA) was used as a method to assess the environmental impact of tempeh labeled as hygienic, produced by Rumah Tempeh Indonesia (RTI) located in Bogor, West Java. The hygienic tempeh consists of two types, namely one made of local soybean (Tempeh Sehat) and the other made of imported soybean (Tempeh Kita). The extent of the environmental impact, in the form of GHG emissions and energy efficiency, throughout the life cycle of tempeh is calculated, analyzed and some improvement scenarios are proposed. The life cycle of tempeh is limited to soybean cultivation, raw material transportation and tempeh processing at RTI. The results show that Tempeh Sehat generates GHG emissions of 0.323 kg CO2-eq, while Tempeh Kita is 0.555 kg CO2-eq per kg of product. The hotspots that contribute to GHG impacts are identified as originating from the stages of soybeans transportation and tempeh processing. Energy efficiency is indicated by the Net Energy Value (NEV) and the Net Energy Ratio (NER) of both types of products. Tempeh Sehat has NEV of 2.064 MJ, while Tempeh Kita is 0.318 MJ. Both types of products show the value of NER>1. Further analysis of existing production practices has led to several scenarios of improvement and their environmental effects have been discussed. Keywords: Tempeh; LCA;  GHG emission; energy efficiency

scholarly journals Integrated economic and environmental building classification and optimal seismic vulnerability/energy efficiency retrofitting

2021 ◽  
Author(s):  
Martina Caruso ◽  
Rui Pinho ◽  
Federica Bianchi ◽  
Francesco Cavalieri ◽  
Maria Teresa Lemmo
Keyword(s):  
Energy Efficiency ◽  
Life Cycle ◽  
Seismic Hazard ◽  
Environmental Impacts ◽  
Classification System ◽  
Seismic Vulnerability ◽  
Performance Metrics ◽  
Climatic Conditions ◽  
Economic Losses ◽  
Operational Energy

AbstractA life cycle framework for a new integrated classification system for buildings and the identification of renovation strategies that lead to an optimal balance between reduction of seismic vulnerability and increase of energy efficiency, considering both economic losses and environmental impacts, is discussed through a parametric application to an exemplificative case-study building. Such framework accounts for the economic and environmental contributions of initial construction, operational energy consumption, earthquake-induced damage repair activities, retrofitting interventions, and demolition. One-off and annual monetary expenses and environmental impacts through the building life cycle are suggested as meaningful performance metrics to develop an integrated classification system for buildings and to identify the optimal renovation strategy leading to a combined reduction of economic and environmental impacts, depending on the climatic conditions and the seismic hazard at the site of interest. The illustrative application of the framework to an existing school building is then carried out, investigating alternative retrofitting solutions, including either sole structural retrofitting options or sole energy refurbishments, as well as integrated strategies that target both objectives, with a view to demonstrate its practicality and to explore its ensuing results. The influence of seismic hazard and climatic conditions is quantitatively investigated, by assuming the building to be located into different geographic locations.

scholarly journals Life Cycle Cost of Electricity Production: A Comparative Study of Coal-Fired, Biomass, and Wind Power in China

Energies ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3463
Author(s):  
Xueliang Yuan ◽  
Leping Chen ◽  
Xuerou Sheng ◽  
Mengyue Liu ◽  
Yue Xu ◽  
...  
Keyword(s):  
Power Generation ◽  
Life Cycle ◽  
Wind Power ◽  
Life Cycle Cost ◽  
Raw Material ◽  
Electricity Production ◽  
Maintenance Cost ◽  
External Cost ◽  
Levelized Cost Of Electricity ◽  
Cost Of Electricity

Economic cost is decisive for the development of different power generation. Life cycle cost (LCC) is a useful tool in calculating the cost at all life stages of electricity generation. This study improves the levelized cost of electricity (LCOE) model as the LCC calculation methods from three aspects, including considering the quantification of external cost, expanding the compositions of internal cost, and discounting power generation. The improved LCOE model is applied to three representative kinds of power generation, namely, coal-fired, biomass, and wind power in China, in the base year 2015. The external cost is quantified based on the ReCiPe model and an economic value conversion factor system. Results show that the internal cost of coal-fired, biomass, and wind power are 0.049, 0.098, and 0.081 USD/kWh, separately. With the quantification of external cost, the LCCs of the three are 0.275, 0.249, and 0.081 USD/kWh, respectively. Sensitivity analysis is conducted on the discount rate and five cost factors, namely, the capital cost, raw material cost, operational and maintenance cost (O&M cost), other annual costs, and external costs. The results provide a quantitative reference for decision makings of electricity production and consumption.

scholarly journals Life-Cycle Assessment of Carbon Footprint of Bike-Share and Bus Systems in Campus Transit

2020 ◽  
Vol 13 (1) ◽  
pp. 158
Author(s):  
Sishen Wang ◽  
Hao Wang ◽  
Pengyu Xie ◽  
Xiaodan Chen
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Energy Consumption ◽  
Carbon Footprint ◽  
Co2 Emission ◽  
Raw Material ◽  
Transit System ◽  
Two Systems ◽  
Bus System ◽  
Bike Share

Low-carbon transport system is desired for sustainable cities. The study aims to compare carbon footprint of two transportation modes in campus transit, bus and bike-share systems, using life-cycle assessment (LCA). A case study was conducted for the four-campus (College Ave, Cook/Douglass, Busch, Livingston) transit system at Rutgers University (New Brunswick, NJ). The life-cycle of two systems were disaggregated into four stages, namely, raw material acquisition and manufacture, transportation, operation and maintenance, and end-of-life. Three uncertain factors—fossil fuel type, number of bikes provided, and bus ridership—were set as variables for sensitivity analysis. Normalization method was used in two impact categories to analyze and compare environmental impacts. The results show that the majority of CO2 emission and energy consumption comes from the raw material stage (extraction and upstream production) of the bike-share system and the operation stage of the campus bus system. The CO2 emission and energy consumption of the current campus bus system are 46 and 13 times of that of the proposed bike-share system, respectively. Three uncertain factors can influence the results: (1) biodiesel can significantly reduce CO2 emission and energy consumption of the current campus bus system; (2) the increased number of bikes increases CO2 emission of the bike-share system; (3) the increase of bus ridership may result in similar impact between two systems. Finally, an alternative hybrid transit system is proposed that uses campus buses to connect four campuses and creates a bike-share system to satisfy travel demands within each campus. The hybrid system reaches the most environmentally friendly state when 70% passenger-miles provided by campus bus and 30% by bike-share system. Further research is needed to consider the uncertainty of biking behavior and travel choice in LCA. Applicable recommendations include increasing ridership of campus buses and building a bike-share in campus to support the current campus bus system. Other strategies such as increasing parking fees and improving biking environment can also be implemented to reduce automobile usage and encourage biking behavior.

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