Sentence examples for variability of demand from inspiring English sources

This is nearly impossible given the variability of demand (at the mercy of fuel prices and the economy) and the limited control train operators have over costs, which continue to rise steadily.

In a numerical application, we found that the potential cost reduction, compared to the traditional approach, increases when the holding costs and/or the variability of demand are higher.

The usual variability of demand for electricity causes inefficiency in energy production.

"Part of it is they have huge variability of demand and they want these workers to be there when they need them and they don't want to hire more workers, they don't want the overhead cost," Baker said.

Aiming at taking into account the behavior of a partitioned network under spatial and temporal variability of water demand, a design procedure is proposed, coupling a stochastic model of water demand with novel partitioning techniques, based on spectral clustering.

Demand class grouping, can also lead to errors in estimating the real energy demand at the nodes of the system by reducing the seasonal (summer, winter, weekend days, and holidays) variability of such demand.

Next, using the estimation results, we calculate the contribution of each factor to the inter-annual variability of electricity demand by region for 1990 2010.

Beyond the variability of Chinese demand, climatic conditions contributed to produce bullwhip effect up to 2.0 in 2011, causing pressure on the ports of Santos and Paranagua.

That is to examine the level of variability of peak demand in the period before and after implementation of power factor improvement schemes and to assess the likely impact of power factor improvement schemes on peak demand.

Specifically, the study examined the level of variability of peak demand in the period before and after implementation of power factor improvement schemes and assesses the likely impact of power factor improvement schemes on peak demand.

To understand if there is any significant difference in the variability of peak demand before implementation and with implementation of the PFCT scheme, the variance ratio test (F-test of equivalence for the variances) is presented in Table 2.