Results 21 to 30 of about 100,846 (266)

Methodology for Analysing Energy Demand in Biogas Production Plants—A Comparative Study of Two Biogas Plants

open access: yesEnergies, 2017
Biogas production through anaerobic digestion may play an important role in a circular economy because of the opportunity to produce a renewable fuel from organic waste.
Emma Lindkvist   +2 more
doaj   +1 more source

Barriers to and Drivers of Energy Management in Swedish SMEs

open access: yesEnergies, 2021
The energy efficiency gap is known as the difference between optimal level of energy efficiency and the actual level of achieved energy efficiency. Energy management has proven to further close the energy efficiency gap.
Noor Jalo   +4 more
doaj   +1 more source

Modified Thermocouple Sensor and External Reference Junction Enhance Accuracy in Indoor Air Temperature Measurements

open access: yesSensors, 2021
Indoor air temperature belongs to the most important climatic variables in indoor climate research, affecting thermal comfort, energy balance, and air movement in buildings.
Hans Lundström, Magnus Mattsson
doaj   +1 more source

Life Cycle Cost Analysis of a Single-Family House in Sweden

open access: yesBuildings, 2021
The objective of this paper was to explore long-term costs for a single-family house in Sweden during its entire lifetime. In order to estimate the total costs, considering construction, replacement, operation, and end-of-life costs over the long term ...
Bojana Petrović   +3 more
doaj   +1 more source

System Analysis of Biogas Production—Part II Application in Food Industry Systems

open access: yesEnergies, 2019
Biogas production from organic by-products is a way to recover energy and nutrients. However, biogas production is not the only possible conversion alternative for these by-products, and hence there is interest in studying how organic by-products are ...
Emma Lindkvist   +2 more
doaj   +1 more source

Stages of Systems Engineering: An Analysis and Characterization of Systems Engineering Approaches

open access: yesSystems
In the engineering of complex technical systems, Systems Engineering (SE) is a key approach that is becoming increasingly relevant in more and more industries due to the ever-increasing complexity of systems. Over the decades of practical application and
Iris Graessler, Benedikt Grewe
doaj   +1 more source

Optimization data on total cost of ownership for conventional and battery electric heavy vehicles driven by humans and by automated driving systems

open access: yesData in Brief, 2020
In road freight transport, the emerging technologies such as automated driving systems improve the mobility, productivity and fuel efficiency. However, the improved efficiency is not enough to meet environmental goals due to growing demands of ...
Toheed Ghandriz   +3 more
doaj   +1 more source

Transportation-Mission-Based Optimization of Heterogeneous Heavy-Vehicle Fleet Including Electrified Propulsion

open access: yesEnergies, 2021
Commercial-vehicle manufacturers design vehicles to operate over a wide range of transportation tasks and driving cycles. However, certain possibilities of reducing emissions, manufacturing and operational costs from end vehicles are neglected if the ...
Toheed Ghandriz   +4 more
doaj   +1 more source

A Tailored Systems Engineering Process for Developing Student-Built CubeSat Class Satellites

open access: yesIEEE Access
CubeSats have become an important component of space systems engineering education and research activities across the globe. A variety of universities and government stakeholders have developed educational materials and coursework to train students to ...
John M. Gregory   +3 more
doaj   +1 more source

Systems Analysis of Biogas Production—Part I Research Design

open access: yesEnergies, 2019
Striving towards a resource efficient society requires an adjustment of energy systems towards renewable options. It is also of high importance to make use of products and materials to a higher degree.
Emma Lindkvist   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy