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The national defense strategy of the United States is evolving in response to changing global environments. As Congress responds to these changes, an important aspect is the responsibility for oversight and appropriations for an aging tactical airlift fleet. The United States primary tactical airlift aircraft is the C-130. Nicknamed the Hercules, this venerable aircraft has been the workhorse of U.S. tactical airlift for the past 57 years. The majority of C-130s in the U.S. government are assigned to the U.S. Air Force, but the U.S. Navy, Marine Corps, and Coast Guard also operate sizeable C-1
Airlift, Military --- Hercules (Turboprop transports) --- C-130 (Transport plane) --- Lockheed Hercules --- Airplanes, Military --- Jet transports --- Lockheed aircraft --- Turboprop transports --- United States. --- Appropriations and expenditures. --- D.O.D. --- DOD (Department of Defense) --- Mei-kuo kuo fang pu --- Ministerstvo oborony SShA --- Министерство обороны США --- National Military Establishment (U.S.)
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Airmen --- Hercules (Turboprop transports) --- Vietnam War, 1961-1975 --- Special operations (Military science) --- C-130 (Transport plane) --- Lockheed Hercules --- Airplanes, Military --- Jet transports --- Lockheed aircraft --- Turboprop transports --- Vietnam Conflict, 1961-1975 --- Vietnamese Conflict, 1961-1975 --- Vietnamese War, 1961-1975 --- Unconventional warfare --- Military art and science --- Raids (Military science) --- History --- Casualties --- Missing in action --- Aerial operations, American. --- Gargus, John. --- United States. --- AF (Air force) --- Air Force (U.S.) --- U.S.A.F. (Air force) --- United States Air Force --- US Air Force --- USAF (Air force)
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Energies SI Book "Selected Papers from the ICEUBI2019 – International Congress on Engineering – Engineering for Evolution", groups six papers into fundamental engineering areas: Aeronautics and Astronautics, and Electrotechnical and Mechanical Engineering. ICEUBI—International Congress on Engineering is organized every two years by the Engineering Faculty of Beira Interior University, Portugal, promoting engineering in society through contact among researchers and practitioners from different fields of engineering, and thus encouraging the dissemination of engineering research, innovation, and development. All selected papers are interrelated with energy topics (fundamentals, sources, exploration, conversion, and policies), and provide relevant data for academics, research-focused practitioners, and policy makers.
HVAC --- water-cooled condenser --- air-cooled condenser --- evaporative --- TWI --- turbulence modeling --- supercritical injection --- Liquid Rocket Engines --- energy saving and efficiency --- aerodynamic coefficients --- propulsive efficiency --- bioenergetics --- biomimetics --- grid-tied inverter --- grey wolf optimizer --- PR controllers --- LCL filter --- passive damping --- propeller --- aircraft --- turboprop --- flight efficiency --- flight speed --- hydro-thermal coordination --- Lagrangian relaxation --- Lagrangian dual problem --- Lagrange multipliers --- subgradient methods --- step-size update algorithm
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A heat pump system can produce an amount of heat energy that is greater than the amount of energy used to run the heat pump system. Thus, a heat pump system is considered to be a machine system that can use energies efficiently, as is the load leveling air-conditioning system utilizing unutilized energies at high levels. Adaptations of gas turbines for industrial, utility, and marine-propulsion applications have long been accepted as means for generating power with high efficiency and ease of maintenance. Cogeneration with gas turbine is frequently defined as the sequential production of useful thermal energy and shaft power from a single energy source. For applications that generate electricity, the power can either be used internally or supplied to the utility grid. This Special Issue intends to provide an overviews of the existing knowledge related with various aspects of “Small-Scale Energy Systems with Gas Turbines and Heat Pumps”, and contributions on, but not limited to the following subjects were encouraged: wake of stator vane to improve sealing effectiveness; gas turbine cycle with external combustion chamber for prosumer and distributed energy systems; computational simulation of gas turbine engine operating with different blends of biodiesel; experimental methodology and facility for the engine performance and emissions evaluation using jet and biodiesel blends; experimental analysis of an air heat pump for heating service; hybrid fuel cell-Brayton cycle for combined heat and power; design analysis of micro gas turbines in closed cycles. Seven papers were published in the Special Issue out of a total of 12 submitted.
wave-shaped rim seal --- sealing effectiveness --- radial seal --- gas turbine --- computational fluid dynamics --- biofuels --- sustainable power generation --- microturbines --- gas turbine engine --- two-spool turboprop engine --- PT6A engine --- aero-thermal model --- Matlab-Simulink --- bio-diesel --- start-up transient --- biodiesel --- turbojet --- energy performance --- emissions --- aviation --- hardware-in-the-loop --- heat pumps --- dynamic simulation --- experimental performances --- control strategy --- partial loads --- on-off cycles --- building dynamics --- building-heating system coupling --- supercritical CO2 --- combined heat and power --- flame-assisted fuel cells --- carbon sequestration --- solid oxide fuel cell --- closed cycle gas turbine --- different working fluids --- thermodynamic analysis --- design of turbines --- design of compressors
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Effective environmental decision-making is often challenging and complex, where final solutions frequently possess inherently subjective political and socio-economic components. Consequently, complex sustainability applications in the “real world” frequently employ computational decision-making approaches to construct solutions to problems containing numerous quantitative dimensions and considerable sources of uncertainty. This volume includes a number of such applied computational analytics papers that either create new decision-making methods or provide innovative implementations of existing methods for addressing a wide spectrum of sustainability applications, broadly defined. The disparate contributions all emphasize novel approaches of computational analytics as applied to environmental decision-making and sustainability analysis – be this on the side of optimization, simulation, modelling, computational solution procedures, visual analytics, and/or information technologies.
streamflow forecasting --- C-vine copula --- quantile regression --- joint dependencies --- water resource management --- ecological relationship --- factorial analysis --- input-output analysis --- optimal path --- reduction --- urban solid waste system --- desalination --- reverse osmosis --- modelling --- simulation --- parameter estimation --- seawater --- boron --- watershed management --- nonpoint source pollution --- point source pollution --- water quality --- pollutant loadings --- South Texas --- eco-efficiency --- DEA --- CO2 emissions --- forecasting --- ecological indicators --- biomass gasification --- machine learning --- computer modeling --- computer simulation --- regression --- model reduction --- LASSO --- classification --- feature selection --- financial market --- investing --- sustainability --- renewable energy support --- energy modeling --- energy system design --- generation profile --- environmental footprint --- renewable energy --- electricity production --- unlisted companies --- Germany --- feed-in tariff --- biofuel policy --- investment profitability analysis --- the pay-off method --- simulation decomposition --- sourcing --- operational flexibility --- business aviation --- turboprop --- electric motor --- specific power --- Monte Carlo simulation --- Iowa food-energy-water nexus --- nitrogen export --- system modeling --- weather modeling --- optimal allocation --- interval --- fuzzy --- dynamic programming --- water resources --- n/a
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