Information, communication and entertainment appliance use—Insights from a UK household study

Coleman, Michael; Brown, Neil; Wright, A. J.; Firth, Steven

doi:10.1016/j.enbuild.2012.06.008

Cited by 47 publications

(46 citation statements)

References 17 publications

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“…We focus on the direct electricity consumption of TVs and PCs in households, which is supported by separate studies demonstrating that these devices have the highest impact on electricity consumption from the residential sector compared to other ICT entertainment appliances [11,12]. A recent study by Coleman et al [11] which is based on fourteen UK households demonstrates that desktop computers together with televisions are the most significant power consuming devices, mostly in the active mode, also contributing to the highest electricity use in households.…”

Section: Methodsmentioning

confidence: 96%

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ICT entertainment appliances’ impact on domestic electricity consumption

Pothitou

Hanna

Chalvatzis

2017

Renewable and Sustainable Energy Reviews

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Increased electricity consumption and environmental impacts of Information Communication Technology (ICT) have been subjects of research since the 1990s. This paper focuses on consumer electronics in households, in particular TVs, computers and their peripherals. ICT accounts for almost 15% of global domestic electricity use, including waste energy from devices left on standby which is estimated in the EU-27 to contribute 6% of residential energy demand. In Europe, the household electricity consumption from small electronic appliances, including ICT, increased by 2.5 times in 2011 compared to 1990. Similarly, in the UK, energy demand from electronic devices accounted for 23% of total household electricity use in 2012, compared to 12% in 1990. This is an outcome of the market saturation of new, cheaper ICT entertainment devices, facilitated by marketing strategies which identify new needs for consumers, as charted by the review of market growth in this paper. New increasingly portable laptops, smart phones and tablets with wireless connectivity allow householders to perform a wider range of activities in a wider range of locations throughout the home, such as social networking while the television is active.We suggest that policies which consider how to increase the energy efficiency of ICT devices alone are unlikely to be successful since effective strategies need to address how the drivers which have developed around the use of ICT can be adapted in order to conserve electricity in households. A range of policy solutions are discussed, including feedback, public information campaigns, environmental education, energy labelling, bans of, or taxation on the least efficient products as well as the use of a TV as central hub to perform the existing functions of multiple devices.

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Section: Methodsmentioning

confidence: 96%

“…Another study sample of fourteen UK homes shows that on average, ICT appliances in active mode accounted for around 23% of domestic electricity use, while devices left on standby mode contributed an additional 7% of the total [11].…”

Section: Historical Review Of the Uk's Household Entertainment Appliamentioning

confidence: 99%

ICT entertainment appliances’ impact on domestic electricity consumption

Pothitou

Hanna

Chalvatzis

2017

Renewable and Sustainable Energy Reviews

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“…Eq. (22). This method for predicting exchange coefficient of convection for to optimize the design of walls in buildings.…”

Section: Resultsmentioning

confidence: 99%

“…It has become common in recent years to gather data on human attitudes and behaviour in building energy research through interviews with building occupants and other relevant actors. Examples of this kind of research are found in the main journals which deal with technical aspects of energy in buildings, including Building and Environment [4][5][6][7][8][9][10][11][12], Building and Environment [13][14][15], Energy Storage [16][17][18][19][20], Energy and Buildings [21][22][23][24][25][26][27][28][29][30][31][32][33]. In most situations, the mechanical cooling devices offer solutions that are neither environment friendly nor energy sustainable.…”

Section: Introductionmentioning

confidence: 99%

New methodology for the walls design in buildings by numerical simulation of the thermal convection

et al. 2017

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Abstract. Buildings are complex systems composed of several elements, which are assembled to respond to a number of needs functional and symbolic according to set of legal and environmental requirements and potentially accommodate users with different levels of demand. Predicting the conception of the external wall is beneficial in the design of house and building structures.in this study, an analogy was used for the functions which are discretized by the finite difference method and integrated in the CFD code which is based on the finite volume method. The CFD software is used as a technique to modelling the behaviour of fluid and the thermal convection in the external wall of the house with different Rayleigh numbers [10 3 Ra 10 5 ]. In the second phase, we change the thickness of the wall several times and calculate the Nusselt number and exchange coefficient of heat transfer aims to find a cloud point respectively for the thicknesses e = 0, L /40, L /20 and L /10. After, we developed a relationship that helps us to know the exchange ratio for each thickness ( e ) belongs to the interval [0, L /10] by the Lagrange polynomial interpolation method for Rayleigh number equal 10 4 , and then we developed a FORTRAN program to control the nonlinear equation of order three. This method for predicting exchange coefficient of convection for to optimize the design of walls in buildings.

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“…7 Several works have been published in this direction and in several newspapers and journals such as Building Engineering Building and Environment, 8 Building and Environment, [9][10][11] Energy Storage, [12][13][14][15][16] and Energy and Buildings. [17][18][19][20][21][22][23][24][25][26][27][28][29] In most situations, the mechanical cooling devices offer solutions that are neither environment friendly nor energy sustainable. The mechanical devices are non-functional and cannot offer thermal comfort without energy input.…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation of conjugate convection combined with the thermal conduction using a polynomial interpolation method

Benachour

Draoui

Imine

et al. 2017

Advances in Mechanical Engineering

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The thermal performance of a building refers to the process of modeling the energy transfer between a building and its surroundings. The objective of this work is to develop a new correlation to estimate the number of Nusselt predictions, to facilitate the design of the walls of buildings based on a numerical simulation with a computational fluid dynamics software which can be coupled after with the Lagrange polynomial interpolation method for high Rayleigh number. For this purpose, a building is modeled as a collection of basic elements (walls, rooms, etc.). Moreover, we developed a FORTRAN program to control the equation of high order. This method is for predicting exchange coefficient and estimating Nusselt number of convection to optimize the design of walls in buildings. This method was performed via the simulation and theoretical case.

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Information, communication and entertainment appliance use—Insights from a UK household study

Cited by 47 publications

References 17 publications

ICT entertainment appliances’ impact on domestic electricity consumption

ICT entertainment appliances’ impact on domestic electricity consumption

New methodology for the walls design in buildings by numerical simulation of the thermal convection

Numerical simulation of conjugate convection combined with the thermal conduction using a polynomial interpolation method

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