قارن الطرق

	شبكة المقاومة الحرارية	فرق درجات الحرارة اللوغاريتمي المتوسط (LMTD)
المجال	الديناميكا الحرارية	الديناميكا الحرارية
العائلة	Process / pipeline	Process / pipeline
سنة النشأة	1985	1950
صاحب الطريقة	Frank Incropera and David DeWitt	Donald Kern
النوع	Heat transfer network analysis	Heat transfer correlation
المصدر التأسيسي	Incropera, F. P., DeWitt, D. P., Bergman, T. L., & Lavine, A. S. (2007). Fundamentals of Heat and Mass Transfer (6th ed.). Wiley. ISBN: 978-0470055540	Kern, D. Q. (1950). Process Heat Transfer. McGraw-Hill.
الأسماء البديلة	thermal circuit analogy, thermal network	LMTD, logarithmic mean temperature difference
ذات صلة	3	3
الملخص	The Thermal Resistance Network method uses electrical circuit analogy to solve heat transfer problems. It treats heat flow as analogous to electric current, thermal resistance analogous to electrical resistance, and temperature difference analogous to voltage potential. This powerful conceptual framework enables engineers to analyze complex multi-layer heat transfer systems systematically.	The Log Mean Temperature Difference (LMTD) method is a fundamental tool for calculating heat transfer rates in heat exchangers. It defines the effective temperature difference between two fluids as the logarithmic average of the temperature differences at the inlet and outlet. This method enables engineers to size and analyze heat exchangers systematically using the basic heat transfer equation Q = U A LMTD.