log-mean temperature difference

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log-mean temperature difference [′läg ¦mēn ′tem·prə·chər ‚dif·rəns]

(thermodynamics)

The log-mean temperature differenceT_LM= (T₂-T₁)/lnT₂/T₁, whereT₂andT₁are the absolute (K or °R) temperatures of the two extremes being averaged; used in heat transfer calculations in which one fluid is cooled or heated by a second held separate by pipes or process vessel walls.

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No references found			Conversely, when the heat exchanger capacity is insufficient compared to the compressor capacity, the log-mean temperature difference becomes excessive, as does the pressure ratio, efficiency is inadequate, compressor power becomes too large, and calculation is rendered impossible. Development of a high-performance water-to-water heat pump for ... by Shiba, Y.; Ooka, R.; Sekine, K. / ASHRAE Transactions im] (7) Both the inside heat transfer area and the log-mean temperature difference are known quantities for each reactor section. Heat transfer coefficient in a high pressure tubular reactor for ... by Lacunza, Marta H.; Ugrin, Pedro E.; Brandolin, Adriana; Capiati, Numa J. / Polymer Engineering and Science This extraction coil would be placed directly in the exhaust gas stream in order to achieve a high log-mean temperature difference (LMTD). Designing sustainable on-site CHP systems by Meckler, Milton; Hyman, Lucas B.; Landis, Kyle / ASHRAE Transactions			Lofoten and Vesterålen Lofoten Islands loft loft bombing loft building loft ladder Lofting, Hugh Log log cabin Log Conveyor log house log in log jam log line log notch log off log out Log Pillbox Log Receiver log rule Log Trailer log volume Log, Full-Length log-cabin siding Log-Felling Operations log-mean temperature difference log-off log-on Log-Periodic Antenna Logan Logan Canyon Scenic Byway Logan Cave National Wildlife Refuge Logan County Logan slabbing machine Logan State Park Logan, b. Logan, George Logan, James Logan, John Alexander Logan, Joshua Logan, Mount Logan, Sir William Edmond loganberry logania Loganiaceae Loganovskii, Aleksandr Loganovskii, Aleksandr Vasilevich Logansport Logaoedic Verse Logarithm logarithm of the odds score			Log Writer log Z's log(o)- Log, Full-Length log- log- log-APP Log-Based Receiver-Reliable Multicast Log-Based Reliable Multicast log-cabin siding Log-chip Log-convex Log-derivative Log-Felling Operations log-in Log-Likelihood Function Log-likelihood ratio Log-Likelihood Value Log-Likelihood-Ratio-Based Generalized Selection Combining Log-linear least-squares method log-linear model log-linear-duration dependence model Log-Log Complementary Distribution Log-log graph Log-Magnitude/Phase Form log-mean temperature difference Log-normal distribution Log-normal distribution Log-normal distribution Log-normal distribution Log-normal distribution Log-Normal Distribution Function log-off log-off log-on log-on Log-periodic Log-periodic antenna Log-periodic array Log-Periodic Dipole Antenna Log-periodic dipole array Log-periodic dipole array log-periodic folded-slot array Log-Periodic Loop Antenna Log-Periodic Loop Antenna with Ground Reflector Log-Periodic Microstrip Antenna Log-Periodic Slot Antenna Log-Periodic Zigzag Antenna Log-Polar Image Log-rolling Log-rolling LOG-S Log-ship Log-Spectral-Error Log-structured file system Log-Sum of Log-Normal Distributions

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