Effect of LED lighting on the cooling and heating loads in office buildings

Ahn, Byung Lip; Jang, Cheol Yong; Leigh, Seung Bok; Yoo, Seung‐Hwan; Jeong, Hakgeun

doi:10.1016/j.apenergy.2013.08.050

Cited by 119 publications

(39 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Light-emitting diodes (LEDs) have the potential to become the predominant lighting technology in the next decade due to their long service life and good lighting efficacy. However, it should be noted that approximately 75-85% of the light electric power consumed by LEDs is still generated as convective heat, which may have a negative effect through increasing indoor cooling load [61]. Daylight harvesting is also an effective way to reduce artificial lighting electricity consumption.…”

Section: Other Building Service Systemsmentioning

confidence: 99%

Building energy-consumption status worldwide and the state-of-the-art technologies for zero-energy buildings during the past decade

Cao

Dai

Liu

2016

Energy and Buildings

1,021

387

View full text Add to dashboard Cite

Section: Other Building Service Systemsmentioning

confidence: 99%

Building energy-consumption status worldwide and the state-of-the-art technologies for zero-energy buildings during the past decade

Cao

Dai

Liu

2016

Energy and Buildings

1,021

387

View full text Add to dashboard Cite

“…1,2 The heat generated by communication equipment, energy storage systems, and so forth needs to be effectively removed to prevent the system from performance deterioration or devices failure due to overheating. 1,2 The heat generated by communication equipment, energy storage systems, and so forth needs to be effectively removed to prevent the system from performance deterioration or devices failure due to overheating.…”

Section: Introductionmentioning

confidence: 99%

Magnetically aligning multilayer graphene to enhance thermal conductivity of silicone rubber composites

Shi

et al. 2019

J of Applied Polymer Sci

View full text Add to dashboard Cite

The increasing demand for packaging materials calls for new technologies to achieve excellent thermal conductivity of polymer composites with low content of thermal conductive filler. This article prepared a kind of magnetically functionalized multilayer graphene (Fe 3 O 4 @MG) via electrostatic interactions, which efficiently enhanced the thermal conductivity of silicone rubber (SR) composites by the alignment of Fe 3 O 4 @MG in an external magnetic field. The morphology and structure of the Fe 3 O 4 @MG together with the thermal conductivity of corresponding Fe 3 O 4 @MG/SR composites were systematically investigated by SEM, TEM, XRD, elemental mapping, and thermal conductivity tester. The obtained results showed that Fe 3 O 4 @MG was induced to form chain-like bundles in silicone rubber matrix under the applied magnetic field, which enhanced the MG-MG interaction, and formed effective thermal pathways in the alignment direction. Furthermore, as coating mass ratio of Fe 3 O 4 @MG increased, the thermal conductivity of randomly oriented Fe 3 O 4 @MG/silicone rubber composites (R-Fe 3 O 4 @MG/SR) decreased gradually, whereas the through-plane thermal conductivity of vertically aligned Fe 3 O 4 @MG/silicone rubber composites (V-Fe 3 O 4 @MG/SR) increased even filled with same contents of thermal conductive filler.

show abstract

“…In contrast, as high-efficient, long-lifespan led lightings were developed recently in combination with LED semiconductor and IT technologies for digital control, it has become possible to vary the lighting environments [6][7][8]. As a result, lighting systems that maximize the functional features of space by controlling the optical characteristics of LED, such as illuminance and color temperature, are increasing in wireless sensor networks.…”

Section: Introductionmentioning

confidence: 99%

Design and Implementation of the Natural Light Reproduction System Based on Context Awareness in WSN

Kim

Kwon

Lim

2015

International Journal of Distributed Sensor Networks

View full text Add to dashboard Cite

Changes in natural light in the daily cycle and monthly cycle and its seasonal changes create rhythms in bodies of living creatures including humans. The circadian rhythm connected to natural light stimulates psychological states and hormonal changes. As such, natural light is a major environmental factor that affects humans' psychological and physiological conditions. To create healthy and comfortable lighting environments in windowless space such as a basement where no natural light can enter, the daily, monthly, and seasonal cycles of natural light need to be represented by means of artificial lightings. Upon certain situations related to purposes of space and user behaviors, lighting control technology is required for appropriate lighting environments. To this end, this study designs and implements a natural light reproduction system based on context awareness in wireless sensor networks to restructure lighting environments in adaptation to the changing situation of the occupant. As the object space in the experiment, a clothing shop to occupy the largest portion of underground space was selected. The scenarios were selected for each time period in connection with the behaviors of the seller who resided there for a long time. The suggested system's performance was evaluated in terms of conformity with natural light, comfort, and energy-saving effect.

show abstract

Effect of LED lighting on the cooling and heating loads in office buildings

Cited by 119 publications

References 9 publications

Building energy-consumption status worldwide and the state-of-the-art technologies for zero-energy buildings during the past decade

Building energy-consumption status worldwide and the state-of-the-art technologies for zero-energy buildings during the past decade

Magnetically aligning multilayer graphene to enhance thermal conductivity of silicone rubber composites

Design and Implementation of the Natural Light Reproduction System Based on Context Awareness in WSN

Contact Info

Product

Resources

About