Performance Factors

With contracts of duration typically varying from 3 to 5 years, it is in most cases impossible at the outset to determine performance factors which can reflect the probably changing asset need with time but typical examples are ... 

The introduction of the non - prescriptive legislative regime encourages the inclusion of other performance factors such as... 

The anisotropic sintered form is by far the most important one. It is produced in various grades which can be divided into four main groups. Group is used for loudspeakers, where a high is essential, whereas a relatively low is acceptable. Groups F —are used for different types of motors, requiring quite distinct levels. In these cases a high is also desired, but in fact it is limited by the level and the performance factor K. 

Prices for the different material groups (F —F ) are largely influenced by product size and shape and the quantity of production. Apart from product shape, the main price-determining factor is the performance factor K Prices for the powder, a sintered anisotropic ring, and a sintered anisotropic segment are roughly on the order of 1, 2, and 5, respectively. 

Go Vertically up to 20°F Range Read Performance Factor = 3.1 Calculate new Performance Factor 3.1 (1,250/1,000) = 3.87 Go Horizontally from 3.87 to 25°F Range Go Vertically down to 60°F Wet Bulb Temp. Read 82°F new Cold Water Temp. 

For each option, assign a performance factor from 1 to 10 based on the relative performance of that option with respect to the particular parameter. This can be based on judgment, or scaled based on some kind of quantitative analysis. 

Multiply the weighting factor by the performance factor for each parameter and process option combination. 

Efficiency data are seasonal energy efficiency ratings (SEER) for cooling and heating seasonal performance factors (HSPF) for heating. 

Many of the packings of the various manufacturers are essentially identical in shape, size, and performance factors. Some packing manufacturers suggest adjusting packing factors for vacuum and pressure distillations however, this should only be done after consultation. 

If the temperature is too high, an expensive tower will be specified and of course, if too low, the cooling load service will be required to sacrifice performance during the times when the wet bulb exceeds the specified value. At constant inlet humidity and constant rates for liquid, L, and air, G, the effect of changing wet bulb on the performance factor KaV/L is only 1.2% with no trend dependent on rates [38]. 

Various authorities and military bodies issue specifications relating to the service performance of engine oils. In some instances the ratings are almost identical with those of the API, but most of them are not precisely parallel because they cover performance factors encountered in particular engines and particular categories of service. 

The cost/performance factor of individual surfactants will always be considered in determining which surfactants are blended in a mixed active formulation. However, with the recent advent of compact powders and concentrated liquids, other factors, such as processing, density, powder flowability, water content, stabilization of additives, dispersibility in nonaqueous solvents, dispersion of builders, and liquid crystalline phase behavior, have become important in determining the selection of individual surfactants. 

Shift models and lockup times Every shift may have a performance factor f that changes an execution time T of a quant to T/f. The shift model may change after a few weeks or months. Therefore after this time the shift model can be simplified to the availability factor that expresses how much percent of the time can be used for production. It is possible to specify if a quant is interruptible by a shift pause or a lockup. This may depend on the product that is produced by the quant. Using the maximum allowed break for a quant is also a technique to model multiple single resources as one multiple resource. 

A material performance factor, My, shall be applied to the allowable stress, S, in all minimum wall thickness or pressure calculations (see Mandatory Appendix IX, Tables IX-5B and IX-5C, for My). 

The stress values in Table IX-1 and Table IX-4 are grouped by materials and product forms, and are for stated temperatures up to the limit provided in para. GR-2.1.2(a). Straight-line interpolation between temperatures is permissible. The temperature intended is the design temperature (see para. IP-2.1.4). Material performance factors located in Tables IX-5 are grouped by material type, material tensile or yield strength, and maximum system design pressure. Straight-line interpolation is permissible. 

Mj = material performance factor that addresses loss of material properties associated with hydrogen gas service. See Mandatory Appendix IX for performance factor tables and application notes. 

Sf = product SEWMj [of the stress value, S the appropriate quality factor, E, from Tables IX-2 or IX-3A weld joint strength reduction factor per para. IP-2.2.10(e) and the performance factor, Mj(see Mandatory Appendix IX)] for flange or pipe material see para. IP-2.2.7(c). 

---