Posted inHeat & Mass Transfer
ONE-DIMENSIONAL GENERAL DIFFERENTIAL HEAT CONDUCTION EQUATION IN THE RECTANGULAR COORDINATE SYSTEM
Taking the limit as Δx→0 and Δt→0 yields Variable thermal conductivity Constant thermal conductivity
Posted inHeat & Mass Transfer
HEAT GENERATION
1) A medium through which heat is conducted may involve the conversion of electrical, nuclear, or…
Posted inHeat & Mass Transfer
MULTIDIMENSIONAL HEAT TRANSFER
1) Heat transfer problems are also classified as being one-dimensional, two dimensional, or three dimensional, depending…
Posted inHeat & Mass Transfer
INTRODUCTION – HEAT TRANSFER
1) Heat transfer has direction as well as magnitude, and thus it is a vector quantity a) Must specify both…
Posted inHeat & Mass Transfer
SIMULTANEOUS HEAT TRANSFER MECHANISMS
1) Three mechanisms of heat transfer, but not all three can exist simultaneously in a medium.…
Posted inHeat & Mass Transfer
RADIATION
1) Radiation is the energy emitted by matter in the form of electromagnetic waves (or photons)…
Posted inHeat & Mass Transfer
CONVECTION
1) Convection heat transfer involves both energy transfer due to random molecular motions and by bulk…
Posted inHeat & Mass Transfer
CONDUCTION
1) Conduction heat transfer is due to random molecular and atomic vibrational, rotational and translational motions a) High…
Posted inHeat & Mass Transfer
HEAT TRANSFER VS THERMODYNAMICS
1) Thermodynamics is concerned with the amount of heat transfer as a system undergoes a process…
Posted inEngineering Metrology & Measurement
MEASUREMENT OF TEMPERATURE
“Is a measure of velocity of fluid Particles” Standard temperature and pressure (STP) Normal temperature and pressure (NTP) Temp.Scale Instruments to measure temperature: Filled system in temperature measurement …