Temperature determines the amount of energy that a substance. heat exchangers are used in energy transfer from one substance to another. In a production unit to control the temperature of the incoming and outgoing flows. These flows can be either gas or liquid. Heat exchanger for increasing or decreasing the temperature of these currents by overcurrent or thermal transfer.A heat exchanger is a device of liquid heat exchange between the different temperatures separated by a solid wall, color temperature or the temperature difference, this heat transfer convenience. Heat transfer occurs. Of course, three means of radiation, conduction and convection in the radiation heat exchange to take place, however, when compared to lead and convection. Radiation is not an important role.The temperature of the heat flow through a solid wall to increase the heat transfer, wall is thin and made from conductive material. the largest in heat transfer in heat exchangers, is created through convection.In the heat exchangers, forced convection, heat transfer, flow motion to another, move the flow. By convection, which circulate through a pipe wall is mixed into the water. Flow by transferring this heat treatment temperature ramp between two liquids.Conditions in the pipe: change the properties of the liquid. Inlet temperature, flow rate, etc. elements, the number of heat transfer fluid is also changed. This temporary work lead to a change in process temperature, which leads to the point where the temperature is a constant distribution. When the heat is beginning to transfer these changes to the temperature of the liquid until these temperatures reach stable conditions. Their behaviour is dependent on time. In this double-pipe heat exchanger as process hot fluid flows inside the pipe. Transmission of cold water flowing in a pipe outside. The system is in steady state until changed conditions such as temperature or flow rate inlet. These changes in the conditions that cause the distribution of temperature changes with time, until a new steady state conditions. A new verse to observe when the channel and outlet temperature and coolant for the process of leoklai is stable. In fact, the temperature is not completely stable.
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