S created and validated. The experimental RIEC benefits showed a highS developed and validated. The

September 14, 2022

S created and validated. The experimental RIEC benefits showed a high
S developed and validated. The experimental RIEC benefits showed a high cooling capacity, with dew point effectiveness values as much as 0.91. The accuracy Compound 48/80 supplier obtained on the mathematical model was more than acceptable. Consequently, it might be employed properly to study the worldwide behavior of a RIEC. Key phrases: dew-point temperature; cooling method; heat and mass exchanger; effectiveness-NTU method; experimental and numerical investigationsCitation: Comino, F.; Romero-Lara, M.J.; Adana, M.R.d. Experimental and Numerical Analysis of Regenerative Indirect Evaporative Coolers. Environ. Sci. Proc. 2021, 9, 21. https://doi.org/10.3390/ environsciproc2021009021 Academic Editors: Dorota Anna Krawczyk, Iwona Skoczko, Antonio Rodero Serrano and Ewa Szatylowicz Published: 29 October1. Introduction Improvement of quite low energy consumption heating, ventilation and air conditioning HVAC systems are necessary inside the European frame of nearly zero power building (NZEB). Evaporative cooling systems may be an efficient alternative to conventional technologies, due to their higher efficiency and reduced main power consumption [1]. There are two major sorts of evaporative coolers: the direct evaporative cooler (DEC), along with the indirect evaporative cooler (IEC) [2,3]. Distinctive experimental and numerical investigation works happen to be carried out in an effort to study the operational parameters that influence the all round performance of regenerative indirect evaporative coolers (RIEC) [4]. Experimental benefits established that RIEC systems could accomplish higher COP values [5]. Other experimental studies of RIEC showed higher cooling capacities [8,9]. The principle objective of this study was to experimentally ascertain the efficiency of a RIEC air-cooling system below distinct inlet air circumstances. Furthermore, a mathematical RIEC model based on a modified -NTU numerical method was developed and validated. two. Materials and Thromboxane B2 supplier Solutions 2.1. Experimental Test Rig An experimental test rig was built to study the overall performance of a regenerative indirect evaporative cooler (RIEC) under unique working situations. A schematic representation on the experimental setup is shown in Figure 1. The inlet temperature, relative humidity and air flow rate of procedure stream have been set utilizing cooling and heating coils (CC, HC), a steam humidifier (SH) along with a variable speed fan (F), situated upstream with the RIEC. ThePublisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.Copyright: 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed beneath the terms and circumstances of your Inventive Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).Environ. Sci. Proc. 2021, 9, 21. https://doi.org/10.3390/environsciprochttps://www.mdpi.com/journal/environsciprococ. 2021, 9,2 ofEnviron. Sci. Proc. 2021, 9,2 ofHC), a steam humidifier (SH) and a variable speed fan (F), located upstream with the RIEC. The data of temperature, humidity and air flow rate were measured and recorded for each and every experimental test. The sensor places are shown air Figure 1. were measured and recorded for every information of temperature, humidity and in flow price The RIEC program consists of your sensor locations are shown in Figure 1. experimental test. a counter-flow heat and mass exchanger, a water distributing program plus the outer program consists of a counter-flow device, Tmass cooled alongwater disan RIEC casing. The prima.