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Publications related to Economic Analysis (10,000)
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Poster
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Dear Colleagues, At present, there are problems such as inefficiency and environmental pollution in the process of energy production and utilization, and new technical methods urgently need to be developed. With the development of new technologies such as artificial intelligence, big data, and GIS, it is possible to carry out technological innovati...
Article
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Waiswa D, Günlü A. 2022. Economic analysis of dairy production in Uganda, a case study on the performance of dairy cattle enterprises in Southwestern Uganda. Asian J Agric 6: 61-67. The economic performance of dairy cattle enterprises in Southwestern Uganda was analyzed in this study. A survey was conducted on 100 dairy cattle enterprises in Mbarar...
Article
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The paper from Steiner et al. suggests that an outcome measure expressed in time units may be an adequate method to assess the impact of headache disorders, regardless of diagnosis or health care setting, proving useful for cost-benefit analysis and health policy definition. Using time lost to each attack – weighted by disability – may prove to be...
Article
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4E (energy, exergy, economic, and environmental) analysis of a municipal wastewater treatment plant (WWTP) including an integrated system with anaerobic digesters and combined heat and power units (AD-CHP) is performed here. This type of analysis was required for AD-CHP system at Tehran WWTP to estimate the plant energy/exergy efficiency, to estima...
Article
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The paradigm shift of power markets towards the smart grid, involves mass energy transfer between entities and requires the support of effective policies under comprehensive framework. This paper presents a technical-economic framework for energy wheeling (FEW) that encompass a self-sufficient smart energy network of regional microgrids and virtual...
Article
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Solar radiation falling on photovoltaic (PV) panel surface can be maximized via solar tracking systems, however, in return for infeasible investments. On the other hand, manual and periodic tilt adjustment of PVs can increase energy yield significantly and cost-effectively. Therefore, this study presents a techno-economic analysis of 1 MW PV power...
Article
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This paper presents the optimization of stand-alone and grid-connected hybrid power generation systems for green islands, with application to Koh Samui in southern Thailand. A techno-economic optimization analysis is applied using the Hybrid Optimization Model for Electric Renewable (HOMER) Pro simulation tool. Four scenarios are identified to sele...
Article
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The objective of this paper is to assess the wind energy resource in the central region of Thailand for wind power generation, along with analyzing the economic feasibility and appropriate feed-in-tariff (FIT) of a proposed 15 MW wind power plant. A microscale wind resource map was created using measured wind data, a computational fluid dynamics wi...
Article
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The Finnish Government has established the target of carbon-neutrality by 2035. In Finland, district heating (DH) networks in most cities rely on carbon dioxide (CO 2) intensive fuels such as coal and domestic peat. This study assesses the decarbonization of a Finnish city's DH by employing power-to-heat (P2H) technologies, including heat pumps, an...
Article
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Due to tighter environmental regulations, newly built liquefied natural gas (LNG) carriers are equipped with a re-liquefaction system to minimize combustion of surplus boil-off-gas (BOG). Thus, this paper comparatively analyzes the re-liquefaction system for a low-pressure gas injection engine according to the refrigerant (no external refrigerant o...
Article
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Gasoline vehicles account for a large proportion of crude oil consumption, and confronting the increasingly serious environmental issues and energy crisis, thus waste heat recovery technologies play an important role. A novel combination system, integrated thermoelectric generator with carbon dioxide power cycle, is proposed for gasoline engines to...
Article
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In the present study, a hybrid system that is fueled with solar energy is proposed. The system includes a solar air collector, solar chimney, thermoelectric generators, and Savonius wind turbine. The absorber plate and the passing air in the duct of the collector act as the heat source and heat sink of the thermoelectric generators respectively. As...
Article
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We study the economic analysis of a single server Markovian queueing system with positive and negative customers and multiple working vacations. Both positive and negative customers arrive in the system according to a Poisson process. Upon arrival, positive customers acquire some system information and decide whether to join or to balk the system b...
Article
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Increased antibiotic use worldwide has become a major concern because of their health and environmental impacts. Since most antibiotic residues can hardly be removed from wastewater using conventional treatments, alternative methods receive great attention. Adsorption is one of the most efficient and cost-effective treatment methods for antibiotics...
Article
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In this paper, a novel energy storage technology of a gravity‐enhanced compressed air energy storage system is proposed for the first time, aiming to support the rapid growth of solar and wind capacity. With air storage formed by the shaft well, gravity piston, and seal membrane, the proposed system could achieve constant operating pressure, high s...
Article
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Cost of nutrients is one of the major contributors to the production cost of docosahexaenoic acid (DHA) by thraustochytrids, and this remains the main challenge for economical and sustainable production of DHA. In the present study, cassava pulp (CP) was investigated as an alternative low-cost carbon source for DHA production by Aurantiochytrium li...
Preprint
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This paper investigates the feasibility of electrical power generation using differently orientated photovoltaic (PV) modules attached to vertical surfaces. The global horizontal irradiance (GHI) has been measured to verify the commonly used corresponding mathematical models. However, the solar irradiances on vertical surfaces are calculated concer...
Article
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The phenomenon of drinking water scarcity has turned into the foremost issue that the world’s populace is facing today. The Algerian desert regions, including the El Oued region (southeastern Algeria), also suffer from drinking water shortages, despite the presence of huge quantities of underground salty water. Solar distillation is among the easy...
Article
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The COVID-19 pandemic has increased the need for timely and granular information to assess the state of the economy in real time. Weekly and daily indices have been constructed using higher-frequency data to address this need. Yet the seasonal and calendar adjustment of the underlying time series is challenging. Here, we analyse the features and id...
Article
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The experiment was conducted in the Horticultural Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh. The experiment consisted of two factors. Factor A: Branch pruning and old leaf removal as P 0 = Control, P 1 = Old leaf removal, P 2 = Lateral branch pruning, P 3 = Old leaf removal and lateral branch pruning and Factor B: 3 varieties...
Article
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This essay aims to examine the economic function of the arbitration agreement in contracts. This is procedural contract has been used in public and private relations. Besides to providing legal certainty we can verify that the arbitration agreement has the power to attract investment and promote economic development. In this way, we will try to dem...
Article
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This work presents an economic analysis that illustrates the feasibility and the possible benefits related to the replacement of internal combustion vehicles (ICVs)by electric vehicles (EVs) public transportation in medium-sized cities. According to the current operating conditions, we calculate the cost of operating internal combustion vehicles an...
Article
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Ethylene is considered the most important petrochemical constituent in the world today. It is currently produced via the thermal cracking process, which is generally expensive. Ethane dehydrogenation (EDH) is endothermic, and the thermodynamic equilibrium limits its conversion. The present study explores the viability of using a catalytic membrane...
Article
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Renewable energy communities are catalysts of social innovation, the citizens’ engagement in energy actions, and the exploitation of local resources. Thus, this paper defines a model for analyzing and optimally sizing energy systems serving renewable energy communities. Then, the proposed and replicable model was tailored to the economic feasibilit...
Article
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Purpose ERAS® (Enhanced Recovery After Surgery) describes a multimodal, interdisciplinary, and interprofessional treatment concept that optimizes the postoperative convalescence of the patient through the use of evidence-based measures. Goal of the work. The aim of this article is to examine the economic feasibility of the ERAS® concept in the Germ...
Article
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Although smart farms are considered an alternative to traditional agriculture, they require large amounts of energy and high investment costs, hindering their efficient implementation. In the Republic of Korea, the energy supply is primarily for heating rather than cooling, necessitating the accurate prediction of the greenhouse internal temperatur...
Article
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Standard Reference Materials® (SRMs®) are high-technology infrastructural elements developed and distributed by the U.S. national metrology institute, the National Institute of Standards and Technology. SRMs are used throughout the economy to enhance production efficiency by reducing information asymmetries and thereby reducing transaction costs be...
Article
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Environmental crises and resource depletion have adversely affected the food security around the world. Food security in the future can be guaranteed by sustainable agriculture that respects the environment. So, it is necessary to decrease the energy consumption of resources for agricultural productions to achieve the maximum sustainability. For ag...
Article
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Wheat (Triticum aestivum L.) is one of the most important cereal crops in Ethiopia but its yield was lower primarily due to low soil fertility and use of inappropriate fertilizer rates. This study was conducted to determine the effect of NPSB and N fertilizer rates on yield and yield components of wheat under limed condition during 2019/2020 croppi...
Article
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Resumen Este artículo argumenta como las Cooperativas de Ahorro y Crédito (COAC), están ligadas a las corrientes económicas, sociales y financieras en base a su realidad. Estas corrientes se refuerzan y retroalimentan entre sí, generando un proceso de bienestar, satisfaciendo necesidades y creando fuentes de trabajo. Se aplicó una encuesta en el ca...
Book
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A lo largo de los capítulos de este libro se aborda el proyecto de la planificación de un parque eólico hipotético que se encuentra ubicado en el ejido el Jordán, una comunidad dentro del municipio de Tehuantepec en la región del Istmo. En años recientes se ha ido explotando el recurso eólico de esta región dándole el rol de productor de energías l...
Technical Report
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En este trabajo se desarrolla la metodología pertinente para el diseño de parques eólicos off-shore en un emplazamiento del estado de Yucatán Fecha de realización: Junio 2022 Las etapas de estudio principales son: 1) Análisis del recurso eólico, 2) Selección, descripción y distribución de aerogeneradores, 3)Sistema eléctrico, 4) Análisis económic...
Technical Report
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En este trabajo se desarrolla la metodología pertinente para el diseño de parques eólicos off-shore en el Istmo de Tehuantepec. Las etapas de estudio principales son: 1) Análisis del recurso eólico, 2) Selección, descripción y distribución de aerogeneradores, 3)Sistema eléctrico, 4) Análisis económico, 5) Análisis de sensibilidad.
Technical Report
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En este trabajo se diseña un parque eólico en tierra en la comunidad de Santo Domingo Ingenio en Oaxaca Las etapas de estudio principales son: 1) Análisis del recurso eólico, 2) Selección, descripción y distribución de aerogeneradores, 3)Sistema eléctrico, 4) Análisis económico, 5) Análisis de sensibilidad.
Article
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This study evaluated the technical and economic viability of a household scale composite briquette project. The objectives were to assess the quality of briquettes, estimate the cost of production, and determine the feasibility of the project. Briquettes were made from a blend of corncobs and the bark of oil palm trunk using a manual press. Product...
Article
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In-situ recovery (ISR) is a low-cost, percolation leaching method that recovers minerals by dissolving them in situ with a lixiviant and extracting the product through bore holes. It is widely used for uranium production and is increasingly being considered for the extraction of copper and other metals. Evaluating ISR mining projects requires a rel...
Article
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With the continuous development of the global economy, energy consumption continues to grow, which leads to the increasing scarcity of traditional fossil fuels and exacerbates environmental pollution and global warming. According to the heavy fossil fuel dependency of Fiji energy systems, the Fiji government has advised industries to use more renew...
Article
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Smallholder dairy production in Senegal is important to both livelihoods and food and nutrition security. Here, we examine the economic performance of smallholder dairy cattle enterprises in Senegal, using data from longitudinal monitoring of 113 households. The mean (and standard deviation) of the net returns (NR) per cow per annum (pcpa) was 21.7...
Article
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The objective of the work is to examine the potential utilization of Palmyra palm jaggery (PPJ) for the enhancement of bacterial cellulose (BC) production by Gluconacetobacter liquefaciens. To evaluate the culturing condition, the production of BC fermentation was carried out in batch mode using different carbon sources namely glucose, sucrose and...
Article
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Kaidireyahan Wumaier,1 Wenqian Li,1 Jiuwei Cui2 1The First Hospital of Jilin University, Jilin University, Changchun, People’s Republic of China; 2Department of Cancer Center, the First Hospital of Jilin University, Changchun, People’s Republic of ChinaCorrespondence: Jiuwei Cui, Department of Cancer Center, the First Hospital of Jilin University,...
Article
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When a flood occurs it is essential in order to estimate the damage caused by it the depth of water is calculated. Use hydraulic methods for flood routing and calculation of water depth due to the need for river sections at appropriate distances it is time-consuming, difficult and costly. The use of hydrological methods such as the linear Muskingum...
Research
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The present paper estimates the cost and returns of sugarcane cultivation, input use efficiency using primary data collected from 37 tenant farms and 47 owner sugarcane growers giving the total of 84 farms on various aspects of costs and returns spread over three blocks in Karbi Anglong district of Assam. It was observed that the tenant farm had lo...
Article
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Spanish residential buildings typically cover the required domestic hot-water renewable fraction regulated by building codes using solar thermal systems, typically through solutions based on flat-plate collectors and water storage tanks. For medium or large buildings (with high domestic hot-water demands), the energy savings produced by the solar s...
Article
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Developable surfaces are surfaces in three-dimensional Euclidean space with zero Gaussian curvature. If these surfaces are explicitly defined in the functional form z=f(x,y), then f is nothing but a solution of the homogeneous Monge-Ampère equation. The main aim of this paper is to classify developable surfaces defined as graphs of weighted-homogen...
Article
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Historically, the minimality of surfaces is extremely important in mathematics, and the study of minimal surfaces is a central problem, which has been widely concerned by mathematicians. Meanwhile, the study of the shape and the properties of the production models is a great interest subject in economic analysis. The aim of this paper is to study t...
Article
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The paper presents the results of thermodynamic and economic analysis of a compressed carbon dioxide energy storage installation using a novel solution, i.e. isobaric carbon dioxide tanks. The solution assumes the installation of low-pressure and high-pressure vessels in such a way that they are isobaric so that during the process of compression an...
Article
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Integrating thermal energy storage (TES) for solar systems is crucial for better performance. To ensure the completion of solar cooking activity under fluctuating solar irradiance and reduce the subsequent loss, the integration of thermal storage to a solar cooker can play a vital role. Thus, this paper reveals the thermal performance of a solar co...
Article
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A single municipal solid waste treatment technique may not be adequate to effectively treat the municipal solid waste (MSW) produced across the globe. This is due to the different composition and physical characteristics of the MSW. This has changed China's waste management strategy to integrated waste management systems since the 13th Five-Year-Pl...
Article
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The imbalance between the supply and demand of electricity is becoming expansive due to the increase in renewable energy penetration. Consequently, the time-varying electricity price is proposed as a tool to manage the mismatch. To cope with the electricity price difference across time and to extract the benefit to the limit, an energy storage syst...
Article
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The financial intervention program requires information on the farm’s financial capacity. Yet there is a dearth of empirical information on the fund security status of small-scale fish agribusiness to warrant a bailout intervention. Thus, this study investigated the fund security status of small-scale fish farms in Nigeria. Descriptive statistics,...
Article
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Urbanization and climate change affecting water quality are the most critical problems that humanity has to encounter globally. Undoubtedly, urban water bodies are heavily contaminated by phosphorus (P). This study aims to identify the mechanisms and efficiency of the P sorption process for selected reactive materials (Autoclaved Aerated Concrete (...
Article
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In the present study, energy and exergy analyses of a simple supercritical, a split supercritical and a cascade supercritical CO2 cycle are conducted. The bottoming cycles are coupled with the main two-stroke diesel engine of a 6800 TEU container ship. An economic analysis is carried out to calculate the total capital cost of these installations. T...
Article
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El presente trabajo está enfocado en el empleo de una biomasa derivada de la Jatropha curcas (corteza) como fuente de alimentación de un sistema de gasificación acoplado a motor diesel para la generación de electricidad. El objetivo de esta investigación es analizar el impacto ambiental y el efecto económico de la integración del gasificador a un...
Article
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Given the continuous promotion of power market reforms, the joint operation modes and economic analysis of nuclear power and pumped storage hydropower under different market mechanisms are the key to ensuring the low-carbon and economic operation of the power system. First, this study constructed the power expansion optimization model and put forwa...
Conference Paper
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A feeding trial was conducted to evaluate the effects of two plant extracts, Mentha arvensis (MA) and Geranium thunbergii (GT) and liquid mineral (LM) supplementation in drinking water on productivity, economics and gas emission from excreta in layers. A total of 108 birds of 28-week age were randomly allocated to one of the six treatments: contr...
Article
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Using synthetic pesticides to manage pests can threaten pollination services, affecting the productivity of pollination-dependent crops such as avocado. The need to mitigate this negative externality has led to the emergence of the concept of integrated pest and pollinator management (IPPM) to achieve both pest and pollinator management, leading to...
Experiment Findings
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The focus of this study is to find out the technical and financial viability of power generation from the small hydropower site, Mewa Gaupalika, on the Mewa Khola, located in Taplejung district in the province 1 Nepal. Flow records and rainfall data of the nearby gauging stations and rainfall stations were obtained from the Department of Hydrology...
Article
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The present study was undertaken to know the Marketing cost and margins, Price spread, Marketing efficiency of Buffalo and Cow milk. The study has been undertaken in the Paravada block of Visakhapatnam district. A total of 100 sample respondents are analyzed. Among these 55 are small farmers, 34 are medium farmers and 11 are large farmers. For buff...