Page 29 - Towards A Sustainable Future 2024

2. Circadian rhythm regulation: These downlights can help Results & Discussion
regulate the fish’s circadian rhythm by simulating sunrise
and sunset, promoting a natural sleep-wake cycle. Gradually Power usage for the controlled light system increased to
increasing light intensity in the morning and decreasing it 4.33W at 0:700hrs when the light switched on, as depicted
in the evening contributes to a more natural waking and in Figure 10. Following the switch-off, there was a decrease
resting experience. in power consumption. Conversely, in the dimmable set-up,
the light intensity gradually increased until noon, reaching a
3. Energy-efficient lighting: Wi-Fi downlights that simulate peak of 4.43W around 12 noon, as illustrated by the gentle
sunrise and sunset typically utilise LED technology, which slope upwards in Figure 11. Subsequently, the light intensity
is known for its energy efficiency. LED bulbs consume less gradually decreased until 19:00 hrs, creating a gentle slope
electricity than traditional bulbs, saving energy and reducing downwards.
utility costs.

4. Personalised lighting experiences: With Wi-Fi
connectivity, users can customise the settings of their sunrise
and sunset simulation to match their preferences. They can
adjust the light’s duration, intensity, and colour temperature
to create the desired ambiance and mood throughout the
day.

Figure 11- graph of the prototype set-up

Figure 10- graph of the control set-up

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