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What is space-time in a reactor? The Space-time of a reactor is defined as the time required to process one reactor volume of feed into a reactor at the inlet condition. It is basically denoted as τ (tau) = V/V o where V is the reactor volume & V o is the volumetric flow rate of feed.
Space time is the time necessary to process one volume of reactor fluid at the entrance conditions. This is the time it takes for the amount of fluid that takes up the entire volume of the reactor to either completely enter or completely exit the reactor.
In reaction engineering, \(\tau\) is given a special name; it is called the space time. The reciprocal of \(\tau\) is called the space velocity. For open, steady-state systems the space time can be used as a measure of the reaction time. \[ \tau = \frac{V}{\dot V_{in}} \tag{6.1}\]
31 Δεκ 2003 · Space time is the reactor volume divided by the inlet volumetric flow rate. In other words, it is the time required to process one reactor volume of feed material.
This lecture is part of “Chemical Reactor Design” course and explains:1. Space Time2. Residence Time (basic information)3. Space Velocity4. Example 2-8 (Reac...
3. Space Time - For no dispersion/diffusion and v = v 0, the space time equals the mean residence time. 4. Internal Age Distribution, = Fraction of molecules inside the reactor that have been inside the reactor between a time and. 5. Life Expectancy = Fraction of molecules inside the reactor with age that are expected to leave the reactor in a ...
1 Φεβ 2020 · This article reviews about all types of photocatalytic reactors and compares them with calculated five benchmarks: Apparent reaction rate constant (k), Space time yield (STY), Photocatalytic space time yield (PSTY), Specific removal rate (SRR), Electrical energy consumption (EEC).
