propagation rate

propagation rate

[‚präp·ə′gā·shən ‚rāt]
(chemistry)
The speed at which a flame front progresses through the body of a flammable fuel-oxidizer mixture, such as gas and air.
References in periodicals archive ?
crack propagation rate da/dN drawing there were manufactured by four CT specimens of each steel, CS500 and CS700.
Also, as the ratio of spray combustion/flame propagation in the overall ROHR is increased, the initial flame kernel is larger and consequently the initial flame propagation rate increases.
Zhu [9] and Wei [8] have also demonstrated that the crack propagation rate is not solely controlled by the applied cyclic loading (represented by the stress intensity factor, [DELTA]K), but also by the environment humidity.
When tested in the tear analyzer, NR is shown to have very low crack propagation rates (figure 2), but heat aging dramatically worsens the crack propagation rate of NR, making it similar to ultra-EPDM.
As a consequence of this, higher radical concentration is built up which increases the termination rate vis-a-vis propagation rate.
the number of clam juveniles attaining this stage divided by the number of all the clam individuals; termed the zooxanthellal propagation rate in our study).
Measurements of the crack propagation rate were conducted with simultaneous AE monitoring in order to correlate the parameters obtained nondestructively with mechanical results and propose certain features as the most promising for fatigue damage characterization in metals.
Chemically synthesized antioxidants have been added to foods to delay the onset of oxidation or to slow the propagation rate.
Even though all the aforementioned mitigation techniques contribute to decreasing the number of infectious hosts and help reduce the worm's propagation rate, they cannot, completely combat the widespread propagation of epidemic worms alone, and additional measures should be taken.
The width and propagation rate of the longitudinal cracks were determined by means of dial gauges of 100 mm and 50 mm gauge lengths and with 0,001 mm division value (Fig 5).