Energy performance

The considerations addressed so far in network design have been restricted to those of energy performance and number of units. In addition, the problems have all been straightforward to design for... 

The generated water vapor rises through a screen (demister) placed to remove entrained saline water droplets. Rising further, it then condenses on the condenser tube bank, and internal heat recovery is achieved by transferring its heat of condensation to the seawater feed that is thus being preheated. This internal heat recovery is another of the primary advantages of the MSF process. The energy performance of distillation plants is often evaluated by the performance ratio, PR, typically defined as... 

History The histoiy of a plant forms the basis for fault detection. Fault detection is a monitoring activity to identify deteriorating operations, such as deteriorating instrument readings, catalyst usage, and energy performance. The plant data form a database of historical performance that can be used to identify problems as they form. Monitoring of the measurements and estimated model parameters are typic fault-detection activities. 

New Buildings Act HUD shall promulgate, implement and enforce energy performance standards 5/4/77... 

Another area of success has been in applied materials research. Because of the integral nature of materials to advances in energy production and consumption, the laboratories have developed a number of toughened ceramics. When used as a replacement for steel, they will improve the energy performance characteristics of high-temperature applications for components of combined-cycle power plants and vehicle engines. 

To achieve maximum energy performance, an energy-efficient window s characteristics must compensate for local climate conditions. In residential... 

Papamichael, K. Beltraan, L. Furler, R. Lee, E. S. Selkowitz, S. and Rubin, M. (1993). The Energy Performance of Prototype Holographic Glazings. Berkeley, CA Lawence Berkeley National Laboratory. 

An early concept of the cycle of thermodynamic processes as relating to steam engine heat-energy performance. 

Kato, Y., and C. L. Pritchard, 2000. Energy performance analysis of isobutene/water/tert-butanol chemical heat pump, Trans. IChemE, 78 (2), 184-191. 

Figure 18.34 Maximizing the energy recovery of the existing heat exchanger network even down to AT = 0°C gives an energy performance worse than the energy target. (From Asante NDK and Zhu XX, 1997, Trans IChemE, 75A 349, reproduced by permission of the Institution of Chemical Engineers.)...

These EM techniques have been, in general, quite successful for specific applications but are limited in their scope and so can only ever have a predetermined impact on an enterprise s energy performance. Historically research and the resulting EM techniques have focused on... 

There are, however, significant challenges in obtaining sufficient energy consumption data. It has been proposed that in the future, both the manufacturer of equipment and the operator should use consistent parameters to describe the energy performance of manufacturing systems and that equipment should have standardised metering ports [39]. 

Boyd, G., Dutrow, E., and Tunnessen, W., 2008. The evolution of the ENERGY STAR energy performance indicator for benchmarking industrial plant manufacturing energy use, Journal of Cleaner Production, 16, 709-715. 

A. Jimenez, N. Ramirez, A. Castro, and S. Hernandez. Design and energy performance of alternative schemes to the petlyuk distillation system. Trans. IchemE, 81 (Part A) 518-524, 2003. 

Figure 1 Juxtaposes the energy fields of these three potential product definitions with that of conventional primary battery technology. The data on the energy densities for the battery product definitions were adopted from a recent technology review. The expected energy performance figures for biofuel cells...

We have seen in chapter 2 that the heat capacity at constant P is of fundamental importance in the calculation of the Gibbs free energy, performed by starting from the standard state enthalpy and entropy values... 

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