What is it about?
Every day, as the weather warms and cools, materials naturally expand and contract. This paper explores how that tiny motion — which usually goes unnoticed — can actually be captured and turned into electricity. Using a sealed, high-pressure container filled with water, and temperature data from Jizzakh, the authors simulated how this natural motion can be transformed into mechanical energy using MATLAB software. That energy is then converted into electric power, similar to how wind or solar systems work — but without needing wind or sunlight. The research shows that even slow temperature changes can do useful work if the system is designed carefully. It’s a low-cost, clean, and sustainable way to produce energy, especially in places with large daily temperature swings.
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Why is it important?
This method could: Work day and night, even without sun or wind. Be especially useful in remote or rural areas. Offer a low-cost and low-maintenance alternative energy source. Help make renewable energy more reliable and widespread.
Perspectives
This innovative energy system is still in the early stages, but the potential is promising. With further development, the method could be: Scaled up using larger vessels or networks of devices to power homes or small communities. Optimized by using special fluids or materials with higher expansion rates to boost efficiency. Automated to perform multiple heating and cooling cycles per day using water sources or shading systems. Customized for regions with wide daily temperature swings, such as deserts or mountainous areas. In the future, this technology could become a reliable backup for other renewables or a standalone energy solution in off-grid locations. It also opens new doors for environmentally friendly, low-cost innovations in clean energy design—especially where traditional methods fall short.
Mr Abdulkobi Gafurovich Parsokhonov
Jizzakh Polytechnical Institute
Read the Original
This page is a summary of: Electricity generation using thermal expansion and contraction of matters at high pressures, January 2025, American Institute of Physics,
DOI: 10.1063/5.0266802.
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