'large number of failures' is correct and usable in written English.
You can use it in any situation where you are describing a situation where there were a great many failed attempts at something. For example, "We had a large number of failures in our attempts to get the project finished on time."
Mr Justice Calvert-Smith, the judge who presided over the case, summarised there had been "a large number of failures with systems and procedures on site".
Moreover, we propose a classification of produced errors to evaluate fault impacts and identify most sensitive tag flip-flops causing large number of failures and security concerns.
Recently, a large number of failures linked to the release of metal particles from the taper junction between femoral head and femoral stem have been reported.
There have been a large number of failures of TSFs internationally, with at least two failures in 2008 resulting in fatalities.
The flip-flops that constitute the tag FSM (finite state machine) have been identified as the most sensitive parts causing large number of failures.
The inability of examination boards to pitch the AS mathematics examination at the right level meant a large number of failures in the first exam and led to more students than usual dropping the subject.
However, prognostic models, particularly probabilistic-based methods, require a large number of failure instances.
A complex timber structure with a large number of failure modes is modelled with only a few dominant failure modes.
There are a large number of failure mechanisms as a result of the variety of insulation materials, design practices and operating environments.
The probabilistic failure analysis requires a large number of failure samples in MCS, and an advanced Monte Carlo Simulation called Subset Simulation is employed to improve efficiency of generating failure samples in MCS.
In [16], Bondavalli and Falai present an extensive comparison of a large number of failure detectors executed on a wide area network.
