Remote control-based energy management for energy savings in a central heating system

2016 ◽  
Vol 36 (2) ◽  
pp. 600-609 ◽  
Author(s):  
Volkan Şahin ◽  
Osman İpek ◽  
Yusuf Başoğul ◽  
Barış Gürel ◽  
Ali Keçebaş
2011 ◽  
Vol 361-363 ◽  
pp. 1047-1050
Author(s):  
Bin Liao

The pattern of using the household billing to promote heating energy savings has become a focus discussion in the current national energy conservation. Nowadays the average energy consumption in China is 2 to 3 times than the developed countries with the same weather conditions, equivalent to the level of developed countries in 60 to 70 years. We report a daily heat-energy consumption measuring test in Beijing since 2009, the result shows that 90% of the total households we tested never change their valves to regulate the heat exchange systems in two winters, the one at least change their valves once are about 5%. So that the way households use the central heating is not fit for the need to save heat-energy.


2020 ◽  
Vol 10 (12) ◽  
pp. 4057
Author(s):  
Diego M. Jiménez-Bravo ◽  
Álvaro Lozano Murciego ◽  
Daniel H. de la Iglesia ◽  
Juan F. De Paz ◽  
Gabriel Villarrubia González

Recent years have defined the need to reduce gas emissions to fight climate change, and society’s move to green energies is important to make responsible use of non-renewable energies. Therefore, it is now important to use technologies to optimize the use of actual energy sources. In this aspect, the Internet of Things (IoT) technology has had a great impact on society. Hence, this research work aims to use IoT technology and multi-agent systems to optimize the use of central heating installation in buildings. It is intended to improve the user’s comfort, reduce the consumption of energy and reduce the financial costs. Therefore, a multi-agent system is proposed to collect data from sensors located in a smart-home and obtain the best action to perform in a central heating system. The decisions will be taken by an intelligent agent based on fuzzy logic. This technology will allow for generating the control action with a fuzzy controller. The results obtained show that the proposal improves the actual system in terms of users’ comfort and financial and energy savings.


2016 ◽  
Vol 38 (3) ◽  
pp. 269-286
Author(s):  
David Johnston ◽  
David Glew ◽  
Dominic Miles-Shenton ◽  
Moaad Benjaber ◽  
Richard Fitton

In the UK, approximately 16% of the energy use can be attributed to domestic wet central heating systems. Government financial support and advances in technology have led to boilers becoming more efficient and a range of technologies are now available that claim to be able to improve the efficiency of domestic wet central heating systems. One such low cost technology is a passive deaerator. This article presents the results obtained from installing a passive deaerator on the closed loop of a gas-fired wet central heating system, under controlled conditions in the Salford Energy House. The results indicate that although marginally less heat output was required from the boiler when the passive deaerator was operating, these savings are more or less out weighted by the boiler short cycling more frequently. Consequently, the overall reduction is gas consumption achieved by utilising the passive deaerator device is only of the order of 0.5%; this scale of savings may just be a consequence of measurement noise. The implications are that although a marginal benefit may be attributed to these products, if short cycling takes place, then these savings may become insignificant. Practical application: This article describes a test method that has been used to quantify the energy savings that could be achieved by installing a passive deaerator on the closed loop of a wet central heating system. Although the results indicate that the energy savings associated with using such a device are likely to be marginal, the test method described could be used to test a range of other devices that claim to improve the performance of domestic wet central heating systems, to directly compare before and after performance.


2015 ◽  
Vol 26 (6) ◽  
pp. 810-825 ◽  
Author(s):  
John Joachim Gelegenis ◽  
Douglas Harris ◽  
Danae Diakoulaki ◽  
Helen Lampropoulou ◽  
George Giannakidis

Purpose – The purpose of this paper is to investigate the reduction in efficiency of central heating systems of multi-family buildings when independent heating capability is offered to each apartment, to access the impact of the applied heating cost allocation (HCA) on this deterioration and suggest highly cost-effective ways (operation, control strategy, alternative HCA) of overcoming them at minimum cost. Design/methodology/approach – The paper reveals the problem of reduced efficiency in centrally heated multi-family dwellings through two case studies in real buildings, where data-loggers were installed and performance curve analysis was performed, in combination with detailed simulation. Findings – The paper finds that the enforcement of a suitable HCA regulation is a prerequisite to achieving energy savings in centrally heated multi-family dwellings. In addition the effects of dissimilarly heated apartments on the total energy demand and the significance of indirect heating and how these should be charged, are assessed. It is found that convenient operation of the central heating system may lead to high energy cost savings and higher efficiency at no cost. Research limitations/implications – HCA adopted more than three decades ago should be revised according to the present situation, namely, increasing fuel costs, existence of many low income families, energy poverty, availability of alternative (or supplementary) heating devices and better building envelopes. Practical implications – Occupants of multi-family dwellings should be appropriately educated and agree on rational use of the common heating system of the building. Originality/value – The paper identifies weak points of valid HCA regulation, reveals inefficiencies in centrally heated multi-family dwellings and measures the actual effectiveness of remedying measures. Detailed simulation contributes to the scientific documentation of the findings.


2020 ◽  
Vol 24 (6 Part A) ◽  
pp. 3771-3780
Author(s):  
Cem Yucer ◽  
Arif Hepbasli

Energy management systems are used to analyze the efficiency of energy systems and identify any problem areas to lower costs and save energy, typically using energy based performance measurements. Our aim was to use exergy parameters, instead, to see if more accurate information could be obtained about which ener?gy saving application would result in greater energy savings. Exergy analysis is based on the Second law of thermodynamics and focuses on the environment and the quality of the energy. Implementing an exergetic approach to analyze a steam heating system, we examined data related to exergy flows and exergy losses, and ultimately improved the performance of the system through this energy management model. The following seven energy saving applications were identified and ranked according to their improvement potentials: adjusting the air to fuel ratio ? 1, preventing steam leaks ? 2, installing an automatic blow down system ? 3, insulating the pipes ? 4, insulating valves and flanges ?5, insulating fuel tank ?6, and recovering heat loss from the waste condensate ?7. The optimum ranking obtained through the exergy analysis was 3-1-2-5-7-6-4. A reduction of 15.918 kW in exergy consumption was achieved by installing an automatic blowdown system. This meant a total reduction of 1779.03 kg per year in total fuel consumption, $1458.81 per year of cost reduction and the total cost reduction achieved was $1829.25 per year. Making improvements to the seven selected areas in the system, 38.4% of the energy loss was recovered while the recovery in the exergy consumption was 44.5%.


2014 ◽  
Vol 1044-1045 ◽  
pp. 384-387 ◽  
Author(s):  
Valeri Chipulis ◽  
Roman Kuznetsov ◽  
Eugene Voloshin

The effectiveness of the energy savings by using the heating controllers is analyzed for the monitoring and dispatching systems in the heat-and-power engineering. The original software has been developed for the remote control of the heating and for the analysis of energy efficiency.


2020 ◽  
Vol 10 (23) ◽  
pp. 8430
Author(s):  
Krzysztof Cieśliński ◽  
Sylwester Tabor ◽  
Tomasz Szul

Optimization of energy consumption and related energy efficiency can be realized in various ways, both through measures to reduce heat losses through building partitions and the introduction of modern systems of regulation and management of heat distribution. In order to achieve the best possible results, these actions should be interlinked, especially in older buildings that have undergone thermomodernization. Therefore, the aim of the study was to evaluate actions aimed at improving energy efficiency of buildings made in prefabricated technology. These buildings were thermomodernized and then the weather-controlled central heating system was installed. The study assessed whether the application of the change of the method of central heating regulation from the traditional one, taking into account only the change of external temperature to the weather-controlled one, will contribute to the increase of energy efficiency of buildings. The research was carried out in the existing residential buildings, for which data on the actual energy consumption was collected and elaborated and includes periods before modernization, after thermomodernization and the period after the introduction of the central heating system with weather control. The collected data cover an eighteen-year period of buildings’ use. The obtained results indicate that in Polish conditions the introduction of weather-controlled regulation system in buildings made in prefabricated technology (made of large slab) allows to achieve energy savings in the range of 16–23%, it may be related to their high thermal capacity resulting from the use of concrete elements in the building envelope.


1992 ◽  
Vol 1992 (3) ◽  
pp. 17-18 ◽  
Author(s):  
Kate Steven

Author(s):  
Dorota Tyrala ◽  
Bogdan Pawlowski

AbstractPremature corrosion in the form of longitudinal cracking in a high-frequency (HF) induction seam-welded steel pipe occurred after just 24 months in service. The failed pipe was investigated to reveal the main cause of its failure, and the results of microstructural examinations (light optical microscopy, scanning electron microscopy with energy-dispersive spectrometry) suggest that the failure resulted from an HF induction welding process defect—a so-called cast weld, that is, a huge number of iron oxides in the weld line caused by insufficient ejection of the molten metal from the bond line.


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