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Lämpöputket, also known as heat exchanger tubes, are essential components in many industrial and domestic heating and cooling systems. They facilitate the transfer of thermal energy between two or more fluids or between a solid surface and a fluid. These tubes are typically made from materials that possess high thermal conductivity, such as copper, stainless steel, or aluminum, to maximize heat transfer efficiency.

The design of lämpöputket can vary significantly depending on the specific application. They can be straight, U-shaped, or coiled, and their diameter, length, and wall thickness are carefully selected to optimize performance and withstand operating pressures and temperatures. The fluids flowing through the tubes can be liquids, gases, or even phase-changing substances.

In shell-and-tube heat exchangers, which are very common, the lämpöputket form a bundle within a larger shell. One fluid flows inside the tubes while the other flows around them in the shell, enabling efficient heat exchange without direct mixing of the fluids. Other types of heat exchangers employing lämpöputket include plate heat exchangers, fin-and-tube heat exchangers, and coiled tube heat exchangers.

The primary function of lämpöputket is to efficiently transfer heat, whether for heating a substance, cooling it down, or condensing a vapor. They are crucial in power plants, chemical processing, refrigeration, HVAC systems, and even in everyday appliances like boilers and radiators. The effective operation of these systems relies heavily on the design, material selection, and maintenance of the lämpöputket.