نتایج جستجو برای: radiant cooling systems
تعداد نتایج: 1232075 فیلتر نتایج به سال:
Thrust chamber cooling system is an important issue in liquid missile systems. In this paper, two more applicable systems, that is, regenerative and radiation cooling systems are studied. Regenerative cooling systems, which are mostly used in high pressure thrust chambers, are normally in two forms, tubular wall structure and double wall structure. Tubular structure has mostly a square form str...
temperature restrictions on aqueous effluents dictate that streams with a temperature higher than the permitted level needed to pass through cooling systems to reduce the effluent temperature before discharge. in this study, by considering the grouping design rules based on pinch technology, an optimum design for a distributed effluent cooling system, has been developed. a counter-flow wet cool...
Selective emittance materials show high technical potential for use as radiative cooling heat exchangers for buildings. This paper presents the thermal modeling of the photonic radiative cooler and the simulation of a system that integrats the photonic radiative cooler with radiant floor cooling in a medium office building. The system was simulated with EnergyPlus and the extensive use of its e...
A hybrid cooling system which combines natural ventilation with a radiant for hot and humid climate was studied. Indirect evaporative used to produce chilled water at temperatures slightly higher than the dew point. With this system, condensation issue on panel surface of ceiling overcome. computational fluid dynamics (CFD) model employed determine load parameters required thermal comfort analy...
The objective of this study is to improve the design of hydronic radiant panel systems through the understanding of the thermal performance of panel systems. The scope of this study includes performing experiments using testing facilities and the radiant panel ceiling in the Energy Research House, and developing a theoretical model that can predict heat transfer from a radiant ceiling panel. In...
Abstract Energy use for heating and cooling at the household level is rising annually. The residential sector consumes about 69% of energy consumption, out which highest percentage shared by traditional fuel cooking applications, followed applications. In such a scenario, primary goal should be to meet future demand through novel technologies as radiant systems (RHS). By utilizing low-temperatu...
BACKGROUND AND OBJECTIVE Despite application of cryogen spray (CS) precooling, customary treatment of port wine stain (PWS) birthmarks with a single laser pulse does not result in complete lesion blanching for a majority of patients. One obvious reason is nonselective absorption by epidermal melanin, which limits the maximal safe radiant exposure. Another possible reason for treatment failure i...
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