This paper provides a case study using relevant key performance indicators (KPIs) to evaluate the environmental performance of a business. [Conestoga-Rovers & Associates, Waterloo, Ontario (Canada) Quantifying environmental performance using an environmental footprint calculatorĮnergy Technology Data Exchange (ETDEWEB) (a) If a determination is made pursuant to § 1.750 that a patent for a food additive or color additive is eligible for extension, the term. Calculation of patent term extension for a food additive or color additive. 1.776 Section 1.776 Patents, Trademarks, and Copyrights. extension for a food additive or color additive. 3 refsģ7 CFR 1.776 - Calculation of patent term extension for a food additive or color additive. Later work included development of a problem definition for perturbations to the originally modeled conditions and for some parametric sensitivity studies. Results include analyses of fluid-flow profiles, development of a source term for radionuclide release, and simulations of contaminant transport in the fluid-flow field. The PACE-90 participants calculated transport of a selected set of radionuclides through a portion of Yucca Mountain for a period of 100,000 years. It was expected that the PACE problems would aid in development of conceptual models and eventual evaluation of site data. The objectives of fiscal year 1990 work, termed PACE-90, as outlined in the Department of Energy Performance Assessment (PA) Implementation Plan were to develop PA capabilities among Yucca Mountain Project (YMP) participants by calculating performance of a Yucca Mountain (YM) repository under ''expected'' and also ''disturbed'' conditions, to identify critical elements and processes necessary to assess the performance of YM, and to perform sensitivity studies on key parameters. The Performance Assessment Calculational Exercises (PACE) are an ongoing effort coordinated by Yucca Mountain Project Office. International Nuclear Information System (INIS) Performance assessment calculational exercises In contrast with the prototype rotor, the thrust of the rotor with triangle surface structure array increases by 5.2% at the operating rotating speed of 3000r/min, and the additional triangle surface structure array has almost no influence on the efficiency of the rotor.
According to the simulation results and the experimental data, the rotor with triangle surface structure array has better aerodynamic performance than the other rotors. With this theoretical calculation model, the thrusts of the rotors with arrays of surface structure in three different shapes were calculated. The results of the calculations are in reasonable agreement with experimental data, which shows that the calculation model used in this work is useful in simulating the performance of the rotor with additional surface structure array.
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The computational fluid dynamics software FLUENT was used to simulate the thrust of the rotors.
The unstructured grids and the Reynolds Average Navier-Stokes equations were used to calculate the performance of the prototype rotor and the rotor with additional surface structure array in the air. The present work analyses the aerodynamic performance of the rotor with additional surface structure array in an attempt to maximize its performance in hover flight. CFD simulation of rotor aerodynamic performance when using additional surface structure array
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