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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| en:iot-open:hardware2:powering:greenenergy [2023/11/23 10:41] – pczekalski | en:iot-open:hardware2:powering:greenenergy [2023/11/23 11:46] (current) – [Energy harvesting from external sources] pczekalski | ||
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| - | ==== Energy harvesting from ambient sources ==== | + | ===== Energy harvesting from ambient sources |
| The energy can be harvested from ambient sources (environmental energy sources) such as solar and photovoltaic, | The energy can be harvested from ambient sources (environmental energy sources) such as solar and photovoltaic, | ||
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| Geothermal energy is considered to be very constant but of low availability. Its application is based on steam and hot water conversion to electrical energy, usually via high and low-pressure turbines. Due to the complex processing involving dealing with high temperatures (e.g. overheated steam of > | Geothermal energy is considered to be very constant but of low availability. Its application is based on steam and hot water conversion to electrical energy, usually via high and low-pressure turbines. Due to the complex processing involving dealing with high temperatures (e.g. overheated steam of > | ||
| - | ==== Energy harvesting from external sources ==== | + | ===== Energy harvesting from external sources ===== |
| + | Below is a short list of energy harvesting characteristics from non-ambient, | ||
| **Energy harvesting from mechanical sources** | **Energy harvesting from mechanical sources** | ||
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| *Vibration energy harvesting - harvesting the energy created by vibrations (e.g., due to car movements, operations of machines, etc.) and converting it into valuable electrical energy, which can be used to power IoT devices or stored in the battery for later use. | *Vibration energy harvesting - harvesting the energy created by vibrations (e.g., due to car movements, operations of machines, etc.) and converting it into valuable electrical energy, which can be used to power IoT devices or stored in the battery for later use. | ||
| *Pressure energy harvesting - harvesting the energy from pressure sources and converting it into useful electrical energy. | *Pressure energy harvesting - harvesting the energy from pressure sources and converting it into useful electrical energy. | ||
| - | *Stress-strain energy harvesting - harvesting energy from mechanical vibrations by exploiting the property of some materials (e.g., piezoelectric materials) that, when they are subject to mechanical strain, produce an electrical charge | + | *Stress-strain energy harvesting - harvesting energy from mechanical vibrations by exploiting the property of some materials (e.g., piezoelectric materials) that, when subject to mechanical strain, produce an electrical charge proportional to the stress applied to it. |
| **Energy harvesting from human body sources** | **Energy harvesting from human body sources** | ||
