Results 61 to 70 of about 98,333 (309)

Techno-Economic Investigation of an Integrated Boiler–Solar Water Heating/Cooling System: A Case Study

open access: yesEnergies, 2020
With the increase in oil prices, developing nations end up paying expensive electricity and heating bill. This leading study investigates the experimental development of a new energy-saving system by integrating a solar water heater and solar cooling ...
Mohammad Al-Smairan   +2 more
doaj   +1 more source

The impact of the transition of hot water “preparation” by means of individual heating stations on the Kazan energy system [PDF]

open access: yesE3S Web of Conferences, 2019
The result of the implementation of technical solutions should be evaluated in terms of the effect on the power system as a whole. At the same time, the main task is to obtain a socio-economic effect noticeable for the consumer of energy resources, as he
Zapolskaya I.N.   +3 more
doaj   +1 more source

YIMBY Generation – yes in my back yard! UK householders pioneering microgeneration heat [PDF]

open access: yes, 2008
This report summarises the responses to a survey of over 900 households (the largest such UK study to date) who were considering or buying microgeneration heat technologies.
Abelman, Jennie   +2 more
core  

System-level key performance indicators for building performance evaluation [PDF]

open access: yes, 2020
Quantifying building energy performance through the development and use of key performance indicators (KPIs) is an essential step in achieving energy saving goals in both new and existing buildings. Current methods used to evaluate improvements, however,
Hong, T, Lee, SH, Li, H, Sofos, M
core  

Photochemical Fuel Carrier Molecules for Robotic Embodied Energy

open access: yesAdvanced Materials, EarlyView.
We designed a novel fuel carrier photoresponsive molecule for on‐demand energy storage and release. Carrier molecules undergo bond scission under UV light to release chemical fuel and locally generate propulsive Marangoni flows. We demonstrate this photochemical embodied energy strategy in small‐scale robots and active matter systems, enabling ...
Chuqi Huang   +6 more
wiley   +1 more source

An Atomic‐Level Bimetallic MOF Platform Overcoming the Stability‐Performance Tradeoff for Laser Propulsion

open access: yesAdvanced Materials, EarlyView.
This work introduces an atomic‐level engineered bimetallic MOF Platform that resolves the inherent trade‐off between environmental stability and propulsion efficiency. By integrating robust Fe‐O bonds for hydrolysis resistance and enabling d‐orbital charge transfer (Fe3+→Cu2+) for enhanced photothermal conversion, the design achieves a highly durable ...
Senlin Rao   +3 more
wiley   +1 more source

A Combined System of Ground Well and Composted Olive Cake for Hot Water Production at Olive Mills

open access: yesJournal of Food Quality, 2018
Building a system that consists of a combination of geothermal component (water well (pit)) and heat recovery from aerobic biological fermentation of olive cake for hot water production at an olive mill is examined in this work.
Mohamad I. Al-Widyan   +2 more
doaj   +1 more source

Simulation of wood biomass combustion in hot water boiler

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
Abstract Calculation methods based on finite volume methods (CFD method) have proven to be very useful in optimizing (efficiency, emission) heat sources for wood burning. Such heat sources also include gasification hot-water boilers for the combustion of dry wood. One of the important parts of the entire process of converting the primary
Klačková I.   +4 more
openaire   +2 more sources

Development and validation of detailed building, plant and controller modelling to demonstrate interactive behaviour of system components [PDF]

open access: yes, 2009
As plant modelling becomes capable of more complexity and detailed resolution, new opportunities arise for the virtual evaluation of discrete plant components such as flow control and energy conversion devices, and controllers.
Cockroft, Jeremy   +5 more
core  

A Comprehensive Review of Waste‐Derived Materials for Solar Still Performance Enhancement

open access: yesAdvanced Materials Interfaces, EarlyView.
ABSTRACT Solar desalination reduces energy use and produces freshwater sustainably, but its productivity is limited and cannot meet rising demand. Thus, solar desalination system improvements are sought to boost water productivity. Waste materials are abundantly available and burden the environment, making them low‐cost enhancers for solar desalination
A. S. Abdullah   +6 more
wiley   +1 more source

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