scholarly journals Application of Sustainable Prefabricated Wall Technology for Energy Efficient Social Housing

2021 ◽  
Vol 13 (3) ◽  
pp. 1195
Author(s):  
Ravijanya Chippagiri ◽  
Hindavi R. Gavali ◽  
Rahul V. Ralegaonkar ◽  
Mike Riley ◽  
Andy Shaw ◽  
...  
Keyword(s):  
Environmental Sustainability ◽  
Scale Up ◽  
Climatic Conditions ◽  
Base Case ◽  
Mass Housing ◽  
Energy Peak ◽  
Present Design ◽  
The Impact ◽  
First Time ◽  
Real Scale

Under the India “Housing for all” scheme, 20 million urban houses have to be constructed by 2022, which requires the rate of construction to be around 8000 houses/day. Previous results by the team show that present design methods for affordable buildings and structures in India need improvement. The challenges are the disposal of solid waste generated from agro-industrial activities and the energy peak demand in extremely hot and cold seasons. The development of bio-based urban infrastructure which can adapt to the climatic conditions has been proposed. Inclusion of sustainable materials such as agro-industrial by-products and insulation materials has resulted in effective environmental sustainability and climate change adaptability. Precast components are highlighted as a suitable solution for this purpose as well as to fulfil the need of mass housing. India has a lesser record in implementing this prefab technology when compared to a global view. For the first time, a novel and sustainable prefab housing solution is tested for scale-up using industrial waste of co-fired blended ash (CBA) and the results are presented here. A model house of real scale measuring 3 × 3 × 3 m3 was considered as a base case and is compared with 17 other combinations of model house with varying alignment of prefab panels. Comparison was made with commercially available fly ash brick and CBA brick with a conventional roof slab. A simulation study was conducted regarding cost and energy analysis for all the 18 cases. Various brick and panel compositions with CBA for housing were tried and the superior composition was selected. Similarly, 18 model houses of real scale were simulated, with different combinations of walls made of bricks or panels and different building orientations, to check the impact on energy peak cooling and cost. Results show that peak cooling load can be reduced by six times with bio-based prefab panels. Prefab construction can be considered for mass housing ranging above 100 housing units, each consisting of an area of 25 m2.

Impact of roof shading on building energy performance in warm & humid climatic places of India

2020 ◽  
pp. 50-64
Author(s):  
Kuladeep Kumar Sadevi ◽  
Avlokita Agrawal
Keyword(s):  
Energy Consumption ◽  
Energy Conservation ◽  
Energy Performance ◽  
General Assumption ◽  
Climatic Conditions ◽  
Building Envelope ◽  
Passive Cooling ◽  
Base Case ◽  
U Value ◽  
The Impact

With the rise in awareness of energy efficient buildings and adoption of mandatory energy conservation codes across the globe, significant change is being observed in the way the buildings are designed. With the launch of Energy Conservation Building Code (ECBC) in India, climate responsive designs and passive cooling techniques are being explored increasingly in building designs. Of all the building envelope components, roof surface has been identified as the most significant with respect to the heat gain due to the incident solar radiation on buildings, especially in tropical climatic conditions. Since ECBC specifies stringent U-Values for roof assembly, use of insulating materials is becoming popular. Along with insulation, the shading of the roof is also observed to be an important strategy for improving thermal performance of the building, especially in Warm and humid climatic conditions. This study intends to assess the impact of roof shading on building’s energy performance in comparison to that of exposed roof with insulation. A typical office building with specific geometry and schedules has been identified as base case model for this study. This building is simulated using energy modelling software ‘Design Builder’ with base case parameters as prescribed in ECBC. Further, the same building has been simulated parametrically adjusting the amount of roof insulation and roof shading simultaneously. The overall energy consumption and the envelope performance of the top floor are extracted for analysis. The results indicate that the roof shading is an effective passive cooling strategy for both naturally ventilated and air conditioned buildings in Warm and humid climates of India. It is also observed that a fully shaded roof outperforms the insulated roof as per ECBC prescription. Provision of shading over roof reduces the annual energy consumption of building in case of both insulated and uninsulated roofs. However, the impact is higher for uninsulated roofs (U-Value of 3.933 W/m2K), being 4.18% as compared to 0.59% for insulated roofs (U-Value of 0.33 W/m2K).While the general assumption is that roof insulation helps in reducing the energy consumption in tropical buildings, it is observed to be the other way when insulation is provided with roof shading. It is due to restricted heat loss during night.

scholarly journals Autism Tsunami: the Impact of Rising Prevalence on the Societal Cost of Autism in the United States

2021 ◽  
Author(s):  
Mark Blaxill ◽  
Toby Rogers ◽  
Cynthia Nevison
Keyword(s):  
Forecast Model ◽  
The United States ◽  
Population Projections ◽  
Base Case ◽  
Prevention Strategies ◽  
Total Base ◽  
Cost Categories ◽  
The Cost ◽  
The Impact ◽  
First Time

AbstractThe cost of ASD in the U.S. is estimated using a forecast model that for the first time accounts for the true historical increase in ASD. Model inputs include ASD prevalence, census population projections, six cost categories, ten age brackets, inflation projections, and three future prevalence scenarios. Future ASD costs increase dramatically: total base-case costs of $223 (175–271) billion/year are estimated in 2020; $589 billion/year in 2030, $1.36 trillion/year in 2040, and $5.54 (4.29–6.78) trillion/year by 2060, with substantial potential savings through ASD prevention. Rising prevalence, the shift from child to adult-dominated costs, the transfer of costs from parents onto government, and the soaring total costs raise pressing policy questions and demand an urgent focus on prevention strategies.

scholarly journals New evidence on accelerator performance based on funding and location

2020 ◽  
Vol 29 (3) ◽  
pp. 217-234 ◽  
Author(s):  
Lydia Cánovas-Saiz ◽  
Isidre March-Chordà ◽  
Rosa Maria Yagüe-Perales
Keyword(s):  
Scale Up ◽  
Developed Countries ◽  
Business Incubators ◽  
Policy Makers ◽  
Content Type ◽  
For Profit ◽  
Managerial Implications ◽  
And Performance ◽  
The Impact ◽  
First Time

PurposeSeed accelerators (SAs) appear as a more advanced version of business incubators. These for-profit organizations in exchange of equity, help setting new start-ups by providing mentoring and funding during its first months. Due to their emergent nature, the impact and expectations of SAs remains largely unknown. Therefore, the purpose of this study is to throw new light on this field by empirically assessing for the first time the performance and prospects of these organizations through a survey of 116 SAs.Design/methodology/approachA model based on the Business Incubators literature is built with four categories covering size, location, age and profitability variables, leading to two hypotheses to be tested empirically over a survey of 116 SAs.FindingsSome remarkable findings arise after implementation of both bivariate and multivariate analysis. The results confirm a higher size and performance in the US and in the oldest SAs at statistically significant levels.Research limitations/implicationsThe study is not free from limitations but the findings make a contribution to the still scarce existing literature on SAs, and provide some managerial implications to their stockholders, to investors and to entrepreneurs.Practical implicationsThe findings concerning performance indicators are especially helpful for investors, primarily concerned with the percentage return on investment factor, the period and the investment rounds needed to achieve exit. Another key issue is the SA's role as an employment seedbed. At first glance, the amount of employment, both overall and per company, might seem small given the young age of these firms. The impact of SAs on the generation of new employment is difficult to measure as it usually takes place in further stages of development of the tenant companies, the so-called scale-up process. Nonetheless, at present, the number of new companies being born is remarkable and, in terms of employment, the results are indeed promising. Our findings also offer important implications for entrepreneurs, venture investors and policy-makers. To entrepreneurs, our findings offer insight on the expectations to hold in the accelerator programs.Social implicationsFor policy-makers and would-be accelerator founders, our results support the idea shared in the literature that accelerators can be an effective entrepreneurial intervention, even in small entrepreneurial ecosystems, compared to the strongest entrepreneurial hubs (Hallen et al., 2017).Originality/valueSAs are a very recent phenomenon which is blooming all over the world, especially in developed countries. SAs are therefore considered a key agent in the prospects of any entrepreneurial ecosystem. However, no studies have so far analysed the impact and performance of this emerging instrument. This is precisely the main purpose of this paper, to offer for the first time an approximate and exploratory assessment on the impact and prospects of SAs, based on a database.

scholarly journals Is salamander arboreality limited by broad-scale climatic conditions?

PLoS ONE ◽  
2021 ◽  
Vol 16 (8) ◽  
pp. e0255393
Author(s):  
Erica K. Baken ◽  
Lauren E. Mellenthin ◽  
Dean C. Adams
Keyword(s):  
Ecological Niche Modeling ◽  
Scale Up ◽  
Niche Overlap ◽  
Climatic Conditions ◽  
Small Scale ◽  
Microhabitat Use ◽  
Terrestrial Species ◽  
Morphological Specialization ◽  
The Impact ◽  
Broad Scale

Identifying the historical processes that drive microhabitat transitions across deep time is of great interest to evolutionary biologists. Morphological variation can often reveal such mechanisms, but in clades with high microhabitat diversity and no concomitant morphological specialization, the factors influencing animal transitions across microhabitats are more difficult to identify. Lungless salamanders (family: Plethodontidae) have transitioned into and out of the arboreal microhabitat many times throughout their evolutionary history without substantial morphological specialization. In this study, we explore the relationship between microhabitat use and broad-scale climatic patterns across species’ ranges to test the role of climate in determining the availability of the arboreal microhabitat. Using phylogenetic comparative methods, we reveal that arboreal species live in warmer, lower elevation regions than terrestrial species. We also employ ecological niche modeling as a complementary approach, quantifying species-level pairwise comparisons of niche overlap. The results of this approach demonstrate that arboreal species on average display more niche overlap with other arboreal species than with terrestrial species after accounting for non-independence of niche model pairs caused by geographic and phylogenetic distances. Our results suggest that occupation of the arboreal microhabitat by salamanders may only be possible in sufficiently warm, low elevation conditions. More broadly, this study indicates that the impact of micro-environmental conditions on temporary microhabitat use, as demonstrated by small-scale ecological studies, may scale up dramatically to shape macroevolutionary patterns.

scholarly journals A Novel Methodology for Economical Scale-Up of TiO2 Nanotubes Fabricated on Ti and Ti Alloys

2019 ◽  
Vol 2019 ◽  
pp. 1-13 ◽  
Author(s):  
Juan Shong Khaw ◽  
Michele Curioni ◽  
Peter Skeldon ◽  
Christopher R. Bowen ◽  
Sarah H. Cartmell
Keyword(s):  
Scale Up ◽  
Biological Response ◽  
Fold Increase ◽  
Material Surface ◽  
Proof Of Concept ◽  
Ti Alloys ◽  
The Impact ◽  
First Time ◽  
Highly Uniform ◽  
Specimen Shape

The prospective use of nanotechnology for medical devices is increasing. While the impact of material surface nanopatterning on the biological response is convincing, creating a large surface area with such nanotechnology remains an unmet challenge. In this paper, we describe, for the first time, a reproducible scale-up manufacturing technique for creating controlled nanotubes on the surfaces of Ti and Ti alloys. We describe an average of approximately 7.5-fold increase in cost and time efficiency with regards to the generation of 20, 50, and 100 nm diameter nanotubes using an anodisation technique. These novel materials have great potential in the medical field through their influence on cellular activity, in particular, protein absorption, focal adhesion, and osteoinduction. In this paper, we provide a step-by-step guide to optimise an anodisation system, starting with design rationale, proof of concept, device upscaling, consistency, and reproducibility check, followed by cost and efficiency analysis. We show that the optimised device can produce a high number of anodised specimens with customisable specimen shape at reduced cost and time, without compromising the repeatability and consistency. The device can fabricate highly uniform and vertically oriented TiO2 nanotube layer with desired pore diameters.

scholarly journals Simulation-based environmental-impact assessment of glycerol-to-hydrogen conversion technologies

Clean Energy ◽  
2021 ◽  
Vol 5 (3) ◽  
pp. 387-402
Author(s):  
Yehia F Khalil
Keyword(s):  
Life Cycle ◽  
Environmental Sustainability ◽  
H2 Production ◽  
Simulation Software ◽  
Primary Data ◽  
Base Case ◽  
Operating Pressure ◽  
Simulation Based ◽  
The Impact ◽  
Lca Results

Abstract This simulation-based comparative assessment aims to quantify the environmental and human-health impacts of greener hydrogen (H2) production via three glycerol-based technologies, including: supercritical water reforming (SCWR), aqueous-phase reforming (APR) and autothermal reforming (ATR). The GaBi (2018 edition) life-cycle assessment (LCA) platform is used to develop cradle-to-gate product system models for these technologies and the TRACI 2.1 methodology is used to quantify their midpoint impact categories. Aspen HYSYS (v11) process-simulation software is used to generate the life-cycle inventory (LCI) primary data required to produce 1 kg of H2 via each of the indicated glycerol-reforming technologies. Per ISO 14040:2006 reporting requirements for the LCA results interpretation step, three base case (BC) scenarios and four sensitivity scenarios (SS) are developed and quantified to compare the effects of different process electricity sources (US grid mix versus wind power) and thermal energy sources (natural gas versus biogas) on the LCA results. The high operating pressure (viz. 240 bar) of SCWR enabled assessment of the impact of in situ electricity generation to offset some of electricity required for this technology. The major insights from this research are as follows: (i) per 1 kg of produced H2, APR reduces CO2 emissions by ≈95% compared to ATR and by ≈92% compared to SCWR, (ii) for BC scenarios, the primary energy consumption (in MJ/kg of produced H2) is in the following order from highest to lowest: ATR > SCWR > APR and (iii) H2 production via glycerol APR is more environmentally sustainable than SCWR and ATR, and thus offers a promising path for greener H2 production. Future environmental sustainability studies should focus on expanding the scope of this study to include H2 production via water electrolysis using renewable electricity sources and via solar and nuclear-driven thermochemical water splitting.

scholarly journals Soil fertility, financial support, and sustainable competitiveness: evidence from Ukraine

2020 ◽  
Vol 6 (2) ◽  
pp. 5-23 ◽  
Author(s):  
Anatolii Kucher
Keyword(s):  
Soil Fertility ◽  
Financial Support ◽  
Climatic Conditions ◽  
Time Range ◽  
Climatic Zones ◽  
Agricultural Enterprises ◽  
Close Relationship ◽  
Increase Productivity ◽  
The Impact ◽  
First Time

Purpose. The purpose of this paper was to highlight the results of the study of the influence of the soil fertility and financial support on the formation of sustainable competitiveness of Ukrainian agricultural enterprises. Methodology / approach. To achieve the purpose, we used such methods: correlation analysis (to identify and assess the close relationship between the ecological-agrochemical assessment of soils, financial support per hectare, and the sustainable competitiveness); econometric modeling (to develop a mathematical model of the dependence of the subindex of competitiveness by the yield on the ecological-agrochemical assessment of soils and the financial support per hectare); economic-statistical and monographic (for the assessment and analysis of the influence of the ecological-agrochemical assessment of soils and financial support per hectare on the formation of sustainable competitiveness); abstract-and-logical (for generalization and analysis of the research results); graphical (for the visual representation of the revealed dependencies). The study was performed on a selected sample of agricultural enterprises of districts of Kharkiv, Volyn and Chernihiv region, which represent all the soil-climatic zones of Ukraine. The time range of this research covers the years 2010–2016. The database of the 189 observations in Kharkiv region, 93 – in Volyn region and 88 – in Chernihiv region was as the empirical basis. Results. This paper presents empirical evidence for the impact of the soil fertility and financial support on the formation of sustainable competitiveness of enterprises. The obtained results prove the hypothesis of a positive relationship between the ecological-agrochemical assessment of soils, financial support per hectare, and the sustainable competitiveness of subjects, however, the level of impact of soil fertility differs significantly in different soil-climatic conditions. It is shown that soil fertility and financial support can sometimes act as substitutes, for example, in a zone of insufficient moisture or low soil fertility. Increasing the financial support for agricultural production per hectare may be a strategy to increase productivity when soils are less fertile. Originality / scientific novelty. For the first time, one- and two-factor linear and quadratic econometric models were developed, which made it possible to carry out quantitative assessment of the impact of the ecological-agrochemical assessment of soils and the financial support per hectare on the formation of the subindex of competitiveness by the yield in various soil-climatic zones of Ukraine. The provision on the formation of the subindex of competitiveness by the yield under the conditions of the economic law of diminishing returns, was further developed. Practical value / implications. The main results of the study can be used for (i) estimation and forecasting of the level of competitiveness depending on the ecological-agrochemical assessment of soils and the financial support per hectare; (ii) determining the effect of measures to improve the soil fertility on the competitiveness; (iii) determining the impact of soil degradation on competitiveness of agribusiness entities; (iv) identification of reserves to improve competitiveness.

Green Marketing, Green Management, and Sustainability

2021 ◽  
pp. 316-330
Author(s):  
Ayansola Olatunji Ayandibu ◽  
Khalida Akbar
Keyword(s):  
Environmental Sustainability ◽  
Financial Services ◽  
Management Practices ◽  
Climatic Conditions ◽  
Green Marketing ◽  
Green Management ◽  
Services Sector ◽  
Financial Services Sector ◽  
Sustainable Economy ◽  
The Impact

Green branding marketing techniques have become a popular area of research; however, the use of 'green' terms confuses both businesses and customers. This has resulted in consumers becoming more suspicious about the validity of green marketing and green management practices. The objective of this chapter is to outline the concepts of green marketing and green management in detail to clearly demonstrate how they can effectively achieve their aims of ensuring environmental sustainability. An analysis of current extant literature will be explored, and successful green approaches will be used to develop a theoretical framework for green marketing, green management, and sustainability to foster a more climatic conditions-sustainable economy. The literature in this chapter indicated the need for understanding the impact of green marketing and green management on the sustainability of the financial services sector in order to provide recommendations that can direct funding more effectively towards climate-resilient activities and a more climatic conditions-sustainable economy.

ЗУБРЫ НА СЕВЕРЕ РОССИИ — НАСТОЯЩЕЕ И БУДУЩЕЕ

2019 ◽  
pp. 42-44
Author(s):  
I.V. GUSAROV ◽  
V.A. OSTAPENKO ◽  
T.V. NOVIKOVА
Keyword(s):  
Biological Diversity ◽  
Climatic Conditions ◽  
Economic Consequences ◽  
European Bison ◽  
Rare And Endangered Species ◽  
The North ◽  
Rare And Endangered ◽  
Relationship Of ◽  
First Time ◽  
The Relationship

Впервые в мире создана популяция зубров на территории 60 градусов северной широты. В новых климатических условиях разведения и сохранения зубров определены и проанализированы факторы существования вида на севере Европейской части РФ. Выявлены признаки, динамика численности, которые являются составной частью системы, предназначенной для управления биоразнообразием. Интродукция, являясь процессом введения в экосистему нехарактерных для нее видов, может усиливать изменения биоценозов как положительно, так и отрицательно. Насколько быстро и успешно проходит процесс адаптации заселенного вида, и усматривается его влияние на окружающую среду зависит дальнейшее существование зубров и в целом биоразнообразия. В статье обсуждаются вопросы взаимоотношения зубров с другими видами копытных и хозяйственной деятельностью человека, а также дальнейшим использованием зубров в сельскохозяйственном производстве. Пластичность зубров, выявление изменений и их анализ при вселении видов в новые условия обитания необходимы не только для определения развития или деградации биоценозов и в целом экосистемы, но и прогноза социально-экономических последствий интродукции как одного из методов сохранения редких и исчезающих видов фауны.For the first time in the world, a bison population has been created in an area of 60 degrees north latitude. In the new climatic conditions of breeding and preservation of bison, the factors of the species existence in the north of the European part of the Russian Federation are identified and analyzed. The signs, dynamics of abundance, which are an integral part of the system designed to manage biodiversity are identified, since the preservation of biological diversity on the planet is one of the main problems of our time. Introduction, being the process of introducing non-typical species into an ecosystem, can enhance changes in biocenoses, both positively and negatively. The question posing sounds especially when it comes to such a large hoofed animal as the European bison. How quickly and successfully the process of adaptation of the universe takes place and its environmental impact is seen depends on the continued existence of bison and biodiversity in general. The article discusses the relationship of bison with other types of ungulates and human activities, as well as the further use of bison in agricultural production. How these issues will be resolved positively depends on the future of these animals. Thus, the plasticity of bison, the identification of changes and their analysis, with the introduction of species into new habitat conditions is necessary not only to determine the development or degradation of biocenoses and the ecosystem as a whole, but also to predict the socio-economic consequences due to the introduction as one of the methods of preserving rare and endangered species of fauna.

Relationship between big five personality model and abusive supervision

2019 ◽  
Vol 12 (2) ◽  
Author(s):  
Bibi Tahira ◽  
Naveed Saif ◽  
Muhammad Haroon ◽  
Sadaqat Ali
Keyword(s):  
Big Five ◽  
Abusive Supervision ◽  
State Universities ◽  
Big Five Personality ◽  
Big Five Model ◽  
The Impact ◽  
First Time ◽  
Supervisor Behavior ◽  
Moderating Role

The current study tries to understand the diverse nature of relationship between personality Big Five Model (PBFM) and student's perception of abusive supervision in higher education institutions of Khyber Pakhtoonkhwa Pakistan. Data was collected in dyads i.e. (supervisors were asked to rate their personality attributes while student were asked to rate the supervisor behavior) through adopted construct. For this purpose, data was collected from three government state universities and one Private Sector University. The focus was on MS/M.Phill and PhD student and their supervisors of the mentioned universities. After measuring normality and validity regression analysis was conducted to assess the impact of supervisor personality characteristics that leads to abusive supervision. Findings indicate interestingly that except agreeableness other four attributes of (PBFM) are play their role for abusive supervision. The results are novel in the nature as for the first time Neuroticism, openness to experience, extraversion and conscientiousness are held responsible for the abusive supervision. The study did not explore the demographic characteristics, and moderating role of organizational culture, justice and interpersonal deviances to understand the strength of relationship in more detail way. Keywords: Personality big five model, abusive supervision, HEIs

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