Results 51 to 60 of about 12,414,545 (291)
Exergetic calculation of the efficiency of heat pump installations for a private building
Adaptivni Sistemi Avtomatičnogo UpravlinnâDespite the fact that important results have been obtained in a number of works that facilitate the calculation and design of heat supply systems based on ground heat pump installations taking into account the thermophysical processes occurring in the ...
О. Стенін +3 more
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Research on the Application of Heat Pump with Different Coupling Methods in Heating Terminal [PDF]
E3S Web of ConferencesUnder the dual pressure of energy supply and demand contradiction and increasingly severe environmental pollution, adopting clean energy to replace traditional fossil energy, reducing conventional energy consumption, and achieving clean heating is a ...
Wang Zheng, Zhang Fengxia
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Domestic Heat Pump System With Solar Thermal Collectors as Heat Source and Annual Ice Storage [PDF]
, 2012 Aim of this paper is a theoretical and experimental investigation of a domestic heating system with heat pump using solar thermal collectors as the only heat source.
Gschwend, Andreas, Bertsch, Stefan S.
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Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Down syndrome regression disorder is a syndrome characterized by subacute loss of cognitive, behavioral, and functional abilities in individuals with Down syndrome. Electroencephalography abnormalities are frequently observed during evaluation, but it remains unclear whether these findings represent a dynamic marker of disease ...
Jonathan D. Santoro +14 more
wiley +1 more source
Design and Test of a Small Ammonia Heat Pump
, 2011 Since synthetic refrigerants may cause environmental damages, by depleting the ozone layer or by contribution in global warming, many researchers, in recent years, have focused on the use of natural refrigerants such as ammonia to replace the synthetic ...
Palm, Björn,, Monfared, Behzad,
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Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Rudarsko-geološko-naftni Zbornik, 2018 Wider Zagreb city area, capital city of Republic of Croatia, has significant potential for major implementation of geothermal heat pump systems in not just the residential sector, but in commercial sector as well. Geothermal heat pumps often cumulatively
Marija Macenić +2 more
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Thermoeconomic optimization of a heat pump system
Energy, 1986 Abstract We present the application of thermoeconomics to the optimization of a single-stage heat-pump cycle. The method is well suited for application to thermodynamic processes and yields exergy losses. The marginal cost of an arbitrary variable can also be calculated.
openaire +3 more sources
Characteristics of R134a/R410A Cascade Heat Pump and Optimization [PDF]
, 2012 Single stage air source heat pump has been widely used around the world. However, it has some drawback, for example, deteriorated heating capacity and COP in cold ambient temperature.
Kim, Min Soo +2 more
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Advanced Engineering Materials, EarlyView.This article investigates the dependence of the properties on the manufacturing orientation in the form of the inclination angle to the build plate of LPBF‐fabricated NiTi rods with a diameter of 150–220 µm. Metallographic, chemical, thermal, and mechanical characterization show behavior under identical manufacturing conditions that ranges from ...
Sandra Herzig +2 more
wiley +1 more source