Heat loss by free convection from a horizontal pipe

Input(s)

hmh_{m}: Heat Transfer Coefficient (W/mK)(\mathrm{W} / \mathrm{m} \mathrm{K})

D: Diameter (m)(\mathrm{m})

L: Length (m)(m)

ToT_{o}: Final Temperature (K)(\mathrm{K})

TbT_{b}: Initial Temperature (K)

Output(s)

Q: Heat Loss Rate (J/s)(\mathrm{J} / \mathrm{s})

Formula(s)

Q=hmpiD L( ToTb)\mathrm{Q}=\mathrm{h}_{\mathrm{m}} * \mathrm{pi} * \mathrm{D} * \mathrm{~L} *\left(\mathrm{~T}_{\mathrm{o}}-\mathrm{T}_{\mathrm{b}}\right)

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons, Chapter: 14, Page: 445.


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