energy efficiency rate

  • 71propulsive efficiency — The ratio of propulsive power to the rate of increase of kinetic energy by the gas stream. In reciprocating engines, it is the ratio of the thrust horsepower produced by the propeller to the torque horsepower of the shaft turning the propeller.… …

    Aviation dictionary

  • 72combustion efficiency — The ratio of energy released to the potential chemical energy of fuel. Both variables are expressed as a rate. It can also be described as the ratio of actual temperature rise to the theoretical temperature rise in jet engines …

    Aviation dictionary

  • 73Spark spread —   A measurement of the difference between the price that a generator can obtain from selling one megawatt hour (MWh) of electricity and the cost of the natural gas needed to generate the MWh of electricity. Spark spread is a measure of potential… …

    Energy terms

  • 74Public Utility Regulatory Policies Act of 1978 — (PURPA)   PURPA promotes energy efficiency and increased use of alternative energy sources by encouraging companies to build cogeneration facilities and renewable energy projects using wind power, solar energy, geothermal energy, hydropower,… …

    Energy terms

  • 75Qualifying Facility — (QF)   A category of electric power producer established under the Public Utility Regulatory Policy Act (PURPA) of 1978, that includes small power producers (SPP) who use renewable sources of energy such as biomass, geothermal, hydroelectricity,… …

    Energy terms

  • 76Base load plant —   A plant, usually housing high efficiency steam electric units, which is normally operated to take all or part of the minimum load of a system, and which consequently produces electricity at an essentially constant rate and runs continuously.… …

    Energy terms

  • 77EER — Energy Efficiency Ratio (Miscellaneous » Unit Measures) *** Energy Efficiency Rating (Academic & Science » Electronics) * Extended Eye Relief (Medical » Physiology) * Estimated Energy Requirement (Medical) * Equilibrium Exchange Rate (Academic &… …

    Abbreviations dictionary

  • 78ACOP — (Adjusted Coefficient of Performance)   A standard rating term that was used to rate the efficiency of heat pumps in California. ACOP was replaced by Heating Seasonal Performance Factor (HSPF) in 1988.   California Energy Comission. Dictionary of …

    Energy terms

  • 79Multicrystalline —   Material that is solidified at such as rate that many small crystals (crystallites) form. The atoms within a single crystallite are symmetrically arranged, whereas crystallites are jumbled together. These numerous grain boundaries reduce the… …

    Energy terms

  • 80Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …

    Universalium