نتایج جستجو برای: energy payback time

تعداد نتایج: 2446038  

Journal: :Procedia Economics and Finance 2015

2015
R. Silva M. Pérez M. Berenguel L. Valenzuela E. Zarza

A non-deterministic uncertainty and global sensitivity analysis, based on the Sobol’s method, is developed for a parabolic-trough direct steam generation plant for process heat applications. The objective of this work is to evaluate the robustness of the simulation-based design stage, identifying major modelling sources of uncertainty, as well as quantifying and ranking the relevance of its con...

2003
Christina Galitsky Kristin Zimmerman

As manufacturers face an increasingly competitive environment, energy efficiency improvements can be a way to reduce costs without negatively affecting product quality or yield. One major barrier to reducing energy costs and associated environmental impacts is access to the information that is available. The U.S. Environmental Protection Agency’s ENERGY STAR Program works with industries to add...

2010
E. A. Abdelaziz R. Saidur S. Mekhilef

An industrial sector uses more energy than any other end-use sectors and currently this sector is consuming about 37% of the world’s total delivered energy. Energy is consumed in the industrial sector by a diverse group of industries includingmanufacturing, agriculture, mining, and construction and for a wide range of activities, such as processing and assembly, space conditioning, and lighting...

Journal: :Sustainability 2023

The European Union set ambitious targets to achieve climate neutrality by 2050, and one of the measures taken towards this goal was implementation nearly Zero-Energy Buildings. Despite commitments EU member states, many householders investors had a disposition incredulity regarding energy efficiency buildings due higher cost investment relatively long payback time. However, at end 2021, crisis ...

Journal: :International Journal of Solar Thermal Vacuum Engineering 2021

A photovoltaic system which enjoys water flow cooling to enhance the performance is considered, and impact of rate variation on energy payback period investigated. The investigation done by developing a mathematical model describe heat transfer fluid flow. poly crytalline PV module with nomical capacity 150 W that located in city Tehran, Iran, chosen as case study. results show incresing rate, ...

2011
Christina Galitsky Nathan Martin Ernst Worrell

Annually, breweries in the United States spend over $200 million on energy. Energy consumption is equal to 3 – 8% of the production costs of beer, making energy efficiency improvement an important way to reduce costs, especially in times of high energy price volatility. After a summary of the beer making process and energy use, we examine energy efficiency opportunities available for breweries....

Journal: :Energies 2021

The energy-saving requirements for most buildings focus on improving the insulation and airtightness of a building’s envelope. In this paper, authors have investigated effect additional internal energy consumption heating cooling in residential building. Energy performance analyses were conducted with four thermal systems three locations using WUFI Plus software. Global Cost Method Simply Pay B...

Journal: :Frontiers in Built Environment 2022

Ground Heat Exchangers (GHEs), buried in the ground either horizontally or vertically (in a borehole), are coupled with heat pump to form Source Pump (GSHP) system, which is type of Renewable Energy System that exploits geothermal energy for space heating and cooling. GSHP systems proposed as an alternative conventional Air Pumps (ASHPs) they exhibit higher efficiency. In this study, difference...

2010
Mikhail Chester Arpad Horvath

The state of California is expected to have significant population growth in the next half-century resulting in additional passenger transportation demand. Planning for a high-speed rail system connecting San Diego, Los Angeles, San Francisco, and Sacramento as well as many population centers between is now underway. The considerable investment in California high-speed rail has been debated for...

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