Essays about: "LED lamps"

Showing result 1 - 5 of 25 essays containing the words LED lamps.

  1. 1. Turning off the lights or changing the lamps? : Evaluation of the electricity use at Uppsala University Hospital

    University essay from Uppsala universitet/Institutionen för samhällsbyggnad och industriell teknik

    Author : Maya Linder; Julia Malmås; Sofia Näslund; Matilda Sojé; [2023]
    Keywords : ;

    Abstract : This bachelor thesis will examine the actions that have been taken to lower the electricity use at Uppsala University Hospital during the winter of 2022/2023. To be able to evaluate the changes that have been done there will be a comparison between the winter of 2022/2023 and the winter of 2021/2022. READ MORE

  3. 2. Analysis of energy efficient heat and lighting systems in a subarctic greenhouse

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : William Sigvardsson; [2023]
    Keywords : Energy efficiency; Sub-arctic greenhouses; Energy measures; Greenhouse climate control; Greenhouse technology; CFD;

    Abstract : This report studies a subarctic greenhouse located in Nikkala, Sweden called Nikkala handelsträdgård. Through a visit to the greenhouse coupled with the creation of two simulation models this study investigates the differences in energy demand with water-carried and air-carried heating systems, high pressure sodium lights and Light emitting diode lights and insulation in parts of the greenhouse without a active cultivation. READ MORE

  4. 3. A comparison of two types of light control systems : Open-and closed light control system and their different behaviors

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Freddie Manheij; [2022]
    Keywords : Light control system; Open loop system; Closed loop system; Home automation; Illumination sensor; Microcontroller; Arduino; Performance; Usability; End user; Development; Pulse width modulation; LED lamps; Dimmer; Ljusstyrningssystem; Öppen slinga; Sluten slinga; Hemautomation; Belysningssensor; Mikrokontroller; Arduino; Prestanda; Användbarhet; Slutanvändare; Utveckling; Pulsbreddsmodulering; LED-lampor; Dimmer;

    Abstract : Decreasing energy consumption has become increasingly important in recent times due to climate change. The average temperature is increasing across the planet, and with it, an increase in droughts and other climate disasters can be seen. There are multiple ways to decrease energy consummation, and one of them is to regulate the light in a building. READ MORE

  5. 4. Security lighting in horse riding halls: Development of a simulation-led testing methodology in VR

    University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Author : Sheikh Rishad Ahmmad; [2022]
    Keywords : Security lighting; horse riding halls; mesopic vision; Virtual Reality; object tracking; Technology and Engineering;

    Abstract : Security lighting plays a vital role for safe evacuation during an emergency such as power outage or a fire related incidence. Installing a security lighting system properly is more crucial for a horse riding facility for two reasons. READ MORE

  6. 5. Optical characterisation of AAO/CsPbBr3 perovskite nanocomposites

    University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Author : Klára Nováková; [2021]
    Keywords : perovskite; scintillator; optoelectronics; semiconductor; X-ray detection; Physics and Astronomy;

    Abstract : Direct bandgap metal lead halide perovskites offer promising optoelectronic properties desirable in a wide range of applications including photodetection. However, the incomplete and poor understanding of the photophysical processes taking place in these materials, along with their poor stability, is the bottleneck for optimisation and further development of metal halide perovskite devices. READ MORE