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Heat Exchanger LMTD Calculator

Kalkulahin ang Log Mean Temperature Difference para sa parallel at counter flow heat exchangers. Opsyonal na Q=U·A·LMTD sizing.

LMTDCounter & Parallel#181
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Results

Counter Flow LMTD
Parallel Flow LMTD
Counter Flow Area (kung U & Q ay ibinigay)
Parallel Flow Area (kung U & Q ay ibinigay)
Hot Side ΔT
Cold Side ΔT
Temperature Profile (Counter Flow)

LMTD Formula

Counter Flow

ΔT₁ = T_h,in − T_c,out   |   ΔT₂ = T_h,out − T_c,in

Parallel Flow

ΔT₁ = T_h,in − T_c,in   |   ΔT₂ = T_h,out − T_c,out

Design Equation

Ang counter flow ay laging gumagawa ng mas mataas na LMTD kaysa parallel flow para sa parehong temperatures, nangangahulugang mas kaunting area ang kailangan.

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