Search results for "Renewable energy sources"
showing 10 items of 432 documents
Are Cities Aware Enough? A Framework for Developing City Awareness to Climate Change
2020
Cities are growing and becoming more complex, and as they continue to do so, their capacity to deal with foreseen and unforeseen challenges derived from climate change has to adapt accordingly. In the last decade, an effort has been made to build city resilience and improve cities' capacity to respond to, recover from and adapt to climate change. However, certain city stakeholders' lack of proactive behavior has resulted in less effective city resilience-building strategies. In this sense, the importance of developing stakeholders&rsquo
Sustainable Development Model for the Automotive Industry
2019
The relationship between sustainability and business has become one of the central debates at the national and international level in both industrialized and emerging countries. A series of existing business models lack some critical aspects. The automotive industry strongly affects economic development, requiring rethinking business models in order to reduce their impact on the environment. An evaluation of the websites of the major automotive industry companies shows they have reported sustainability (through different methods) and present various practices in implementing organizational sustainability (OS). This paper aims to present a new business model for the automotive industry that …
Business Models Addressing Sustainability Challenges—Towards A New Research Agenda
2020
From just another buzzword a few decades ago, sustainability has become a hot topic on strategists&rsquo
Exploring the opportunities and challenges of european design policy to enable innovation. The case of designscapes project
2020
Design policy for innovation and prosperity has been acknowledged and adopted globally. Existing literature on design policy usually adopts a top-down perspective to analyse the components of the design innovation system and ignores the practical needs of practitioners. Our study aims to explore potential opportunities and challenges of design policies for design-enabled innovation from a bottom-up perspective. We firstly discussed the enabling role of design in the context of design as input, output and process of innovation with emphasis on design-enabled innovation conception
Efficiency versus Fairness in the Management of Public Housing Assets in Palermo (Italy)
2019
Public housing policy has been proposing plans of public housing (PH) stock alienation or, as an alternative, property enhancement plans, since administrative and financial commitments have become too heavy for municipalities. This paper deals with one of the current public housing management policy initiatives, undertaken by the Municipality of Palermo (Italy), which aimed at transferring a significant part of the public housing asset to the current tenants, according to some terms and conditions, and applying a politically fixed price. This policy is described in general, focusing on the amount of the assets involved, reporting the terms and conditions for transferring them at an affordab…
From Buildings' End of Life to Aggregate Recycling under a Circular Economic Perspective: A Comparative Life Cycle Assessment Case Study
2021
The demolition of buildings, apart from being energy intensive and disruptive, inevitably produces construction and demolition waste (C&Dw). Unfortunately, even today, the majority of this waste ends up underexploited and not considered as valuable resources to be re-circulated into a closed/open loop process under the umbrella of circular economy (CE). Considering the amount of virgin aggregates needed in civil engineering applications, C&Dw can act as sustainable catalyst towards the preservation of natural resources and the shift towards a CE. This study completes current research by presenting a life cycle inventory compilation and life cycle assessment case study of two buildin…
Plants for Environmental Protection
2023
Plants for environmental protection are Anaerobic Digestion plants for converting biomass as Renewable Energy Source (RES), i.e. biowaste, agricultural feedstock, livestock effluents (manure and slurry) and food industry by-products, into biogas, i.e. bioenergy, as well as digestate, i.e. biofertiliser. In turn, biogas can be converted into electrical and thermal energy or can be used for extracting biomethane, i.e. biofuel, or can be injected in the natural gas grid. Moreover, digestate can be divided into solid and liquid fractions, that can be used for fertilisation or fertirrigation, respectively, sometimes after aerobic composting.
Quality of Lake Ecosystems and its Role in the Spread of Invasive Species
2021
Abstract Lake ecosystems are important elements of hydrological regime, the quality of these ecosystems is affected by anthropogenic actions, and therefore, a variety of organisms, living in these habitats depend on the applied management solutions. Due to human activities freshwater ecosystems suffer from loss of biodiversity and increased eutrophication. Therefore, important aspects related to lake management include knowledge about the water quality, ecosystem response to climate change as well as increased risks of appearance and spreading of invasive species. Water quality, content of oxygen, nutrients, phytoplankton and distribution of macrophytes, including invasive species were anal…
Case Study of Potential Production of Renewable Energy Sources (RES) from Livestock Wastes in Mediterranean Islands
2017
The aim of this work is to evaluate the potential production of Renewable Energy Sources (RES) from livestock wastes that are commonly found on Mediterranean islands, by using the island of Malta as a case study. Organic wastes in the form of livestock manure and slurry, as well as other by-products originating from the food transformation industry in the making of alcoholic beverages and the processing of olives, tomatoes and other streams, if mixed in such a way to achieve a correct C/N ratio, can be subjected to anaerobic co-digestion for the production of biogas and digestate. Biogas can be further transformed into biomethane, a fuel that can be used to power surface transportation and …
The influence of the stochastic features of the energy source on the design of an electromagnetic generator
2009
The purpose of this paper is to clarify in a general way how the unavoidable randomness of renewable energy sources influences the magnetic design of electric generator. A general model of electro magnetic generator based on the well known d-q axes analysis is given. The energy source is modelled as a stochastic variable and is included in the equations of the system. The equations are solved and, therefore, the energy output of the system is linked to the random characteristic of the energy source. As a result, the magnetic circuit and the parameters of the generator that maximize the energy extraction can be found and generally linked to the stochastic details of the source.