Results 11 to 20 of about 5,639 (250)

The impact of the wall insulation material and variable refrigerant flow system on building energy consumption and cost

Journal of Mechanical Engineering and Sciences, 2023
The use of VRF system and insulation in building envelope are both considered as promising option to reduce energy consumption of a building. This study analysis energy saving potential of VRF system and building insulation using modelling and ...
Hamza Shaikh, Rizwan Ahmed Memon, Samiullah Qureshi, Asad Shaikh, Shoukat Ali Noonari   +4 more
doaj   +1 more source

Energy and Stochastic Economic Assessments of Photovoltaic Systems in the East Midlands

Energies, 2023
This study implements techno-economic evaluations of different photovoltaic (PV) systems in the East Midlands of the UK. Three application case studies, including an office building, a domestic building, and a poultry shed, are achieved.
Yuanlong Cui, Shuangqing Tian, Jie Zhu, Stamatis Zoras, Yiming Shao   +4 more
doaj   +1 more source

The Use of Geothermal Energy to Heating Crops under Cover: A Case Study of Poland

Energies, 2021
Among the many different applications of geothermal energy, its use for agricultural production purposes is noteworthy. The use of geothermal water in greenhouse cultivation is the most modern form of production; it enables the implementation of the ...
Sławomir Kurpaska, Mirosław Janowski, Maciej Gliniak, Anna Krakowiak-Bal, Urszula Ziemiańczyk   +4 more
doaj   +1 more source

Design, development and techno economic analysis of novel parabolic trough collector for low-temperature water heating applications

Case Studies in Thermal Engineering, 2021
The primary objective of this experimentation is to develop and evaluate indigenous PTC capable of producing hot water for low-temperature applications. A new parabolic trough collector is designed; which is easy to accumulate and transport.
Bhargav H. Upadhyay, Amitkumar J. Patel, Kishor Kumar Sadasivuni, J.M. Mistry, P.V. Ramana, Hitesh Panchal, Deepalekshmi Ponnamma, F.A. Essa   +7 more
doaj   +1 more source

Performance Improvement of a Flash-Binary Geothermal Power System Using Zeotropic Working Fluid; A Comprehensive Exergoeconomic Analysis and Optimization [PDF]

Advances in Engineering and Intelligence Systems, 2023
In this paper, a geothermal system is combined with an organic Rankine cycle to generate power. The zeotropic mixture is utilized to improve the organic Rankine cycle performance.
Seyed Sajad Mosaviasl, Ali Dezhdar, Sajjad Keykhah, Ehsan Farhadi, Mojtaba Nedaei   +4 more
doaj   +1 more source

Economic and Financial Evaluation of Mahogany Tree Cultivation Using Wastewater [PDF]

Journal of Agricultural Economics and Social Sciences
Water resources in Egypt are subject to external pressures, stemming from its status as a downstream country on the Nile River, where 90% of its water resources originate outside its borders.
A. Abdel Rahman, Seham Hashem, M. Sayed, M. Poraas   +3 more
doaj   +1 more source

Probabilistic analysis of payback period for AC–DC transmission and distribution asset expansion projects

The Journal of Engineering, 2019
In this study, a new concept of statistical distribution of payback period is calculated for AC–DC transmission and distribution asset expansion projects. For calculation of the payback period, uncertainty is considered with cost and benefit.
Li Bin, Muhammad Shahzad, Qi Bing, Muhammad U. Shoukat, Nabeel A.M. Fahal, Patrobers Simiyu, Rabiul Islam   +6 more
doaj   +1 more source

Perencanaan Investasi Pengelolaan Ayam Petelur

Jurnal Teknik Industri, 2009
The decision making at the time being will result several effects to the present condition. Therefore, before making a decision in investment, it is important to have an accurate analysis. This will minimize the possibility of failure.
Febriyanti Ningsih
doaj   +1 more source

A Study on Optimum Insulation Thickness in Walls of Chinese Solar Greenhouse for Energy Saving

Agronomy, 2022
Chinese solar greenhouses (CSGs) are characterized by unique walls to reduce the transmission of heat and promote the energy conservation in winter production, which promotes cultivation in the northeast region of China in winter.
Hui Xu, Juanjuan Ding, Tianlai Li, Chunyan Mu, Xuan Gu, Rui Wang   +5 more
doaj   +1 more source

PAYBACK PERIOD ANALYSIS OF DISTANCE MASTER EDUCATION IN INDONESIA

TRIKONOMIKA, 2023
Research on the rate of return on the learning process in distance higher education aims to measure the level of learning investment in post graduate program distance education. The method used in this research is descriptive research with a quantitative approach.
Taufani Kurniatun, Tita Rosita, Erni Rusyani   +2 more
openaire   +1 more source