![]() ![]() Inlet temperatures of hot and cold fluids 80 ° C 80\ \mathrm 50 ☌. In mathematics, the logarithm is the inverse function to exponentiation.That means that the logarithm of a number x to the base b is the exponent to which b must be raised to produce x.For example, since 1000 10 3, the logarithm base 10 of 1000 is 3, or log 10 (1000) 3.Read on to understand what is the definition of LMTD, and how to differentiate the LMTD for parallel flow and counter flow?ĭetermine the log mean temperature difference for a shell and tube heat exchanger design, having the following temperatures. The most common types of heat exchangers are parallel flow and counter flow. ![]() Since they are used in so many places, there are several types and arrangements in which an engineer designs a heat exchanger. Choose Simplify/Condense from the topic selector and click to see the result in our Algebra Calculator Examples Precalculus. This device has several applications ranging from the air conditioners in your room to the vehicle you drive, all the way to massive nuclear reactors and everything in between. The heat exchanger is a device specifically designed to take advantage of the phenomenon for either heating or cooling processes. The equation is generally used to estimate heat transfer through walls, shells, and also heat exchangers. What is logarithm equation A logarithmic equation is an equation that involves the logarithm of an expression containing a varaible. When you calculate heat transfer, you must have noticed the term for temperature difference in the equation along with heat transfer coefficient, mass flow rate, and the area. If you want to multiply instead of divide, just take the inverse or reciprocal of the number you want to divide by. Always remember: dividing by a number is the same as multiplying it by its inverse. You can use the LMTD calculator to determine the logarithmic mean temperature difference (LMTD) for a heat transfer process. Multiplying by 1/81 is easier to work out than 1/9 divided by 81. ![]()
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