Coolerado and Modeling an Application of the Maisotsenko Cycle

Weerts, Benjamin A.

doi:10.1615/interjenercleanenv.2013005585

Cited by 10 publications

(13 citation statements)

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“…In this section, a validation study was conducted comparing the current numerical work with the experimental results [22] of an HMX manufactured by Coolorado Corporation [43]. The operating and geometric conditions for the experimental results of [22] are given in Table 3. Table 3.…”

Section: Comparison With An M50 Air Cooler [43] (Part I)mentioning

confidence: 99%

“…Parameters Quantity Units Additionally, the details of the instrumentation utilized in the experimental testing of [22] are shown in Table 4. Table 4.…”

Section: Nomentioning

confidence: 99%

“…In a recent work by Tariq et al [11], the wet fluid was altered from a conventional evaporating medium (water) to an alumina-based nanofluid. Research [22] has shown that the nanofluid exhibited higher thermal properties (thermal conductivity, viscosity, mass diffusivity, thermal diffusivity) compared with the base fluid. These enhanced properties yield a higher convective heat transfer coefficient in the wet channel and, as a result, the heat exchanger is expected to achieve higher performance parameters.…”

Section: Introductionmentioning

confidence: 99%

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Thermal Performance Enhancement of a Cross-Flow-Type Maisotsenko Heat and Mass Exchanger Using Various Nanofluids

et al. 2018

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The incorporation of a Maisotsenko (M) Cycle into an indirect evaporative cooler has led to the achievement of sub-wet bulb temperature without any humidification, thus making it a possible green and sustainable alternative for handling the cooling load of a building. In this work, the thermal performance of a cross-flow heat and mass exchanger (HMX) is enhanced by the addition of nanoparticles in the wet channel because they significantly influence the heat and mass transfer characteristics of the base fluid. A governing model for the temperature and humidity variations of the HMX is numerically simulated. Initial benchmarking is achieved using water properties. Afterward, a comparative study is conducted using aluminum-oxide-, copper-oxide-, and titanium-oxide-based nanofluids. Enhancements of 24.2% in heat flux, 19.24% in wet bulb effectiveness, 7.04% in dew point effectiveness, 29.66% in cooling capacity, and 28.43% in energy efficiency ratio are observed by using alumina-based nanofluid as compared to water in the wet channel of the cross-flow HMX. Furthermore, a particle volume concentration of 1% and a particle diameter of 20nm are recommended for maximum performance.

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Section: Comparison With An M50 Air Cooler [43] (Part I)mentioning

confidence: 99%

“…Parameters Quantity Units Additionally, the details of the instrumentation utilized in the experimental testing of [22] are shown in Table 4. Table 4.…”

Section: Nomentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Thermal Performance Enhancement of a Cross-Flow-Type Maisotsenko Heat and Mass Exchanger Using Various Nanofluids

et al. 2018

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“…• Data center AC [11,13,35] • Turbine inlet air cooling [25,36,37] • Museum AC [15,16,38,39] • Ships and marine AC [40,41] • Storage of machinery, pharmacy, artifact, and electronic devices [42] Lots of research have been conducted worldwide in order to establish low-cost energy-efficient AC system for above-mentioned AC applications. Therefore, many systems have been resulted suitable depending upon the nature of AC application, availability of low-cost energy type, economics, efficiency, and sustainability.…”

Section: Miscellaneous Applicationsmentioning

confidence: 99%

Energy-Efficient Air-Conditioning Systems for Nonhuman Applications

Sultan¹,

Miyazaki²

2017

Refrigeration

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In addition to humans' thermal comfort, air-conditioning (AC) could be required for various nonhuman applications, for example, animals' AC, greenhouse AC, food storage and transportation, industrial processes, and so on. In this regard, optimum conditions of air temperature and humidity are explored and compared on psychrometric charts. Thermodynamic limitations of existing AC systems are discussed from the subject point of view. Consequently, four kinds of low-cost energy-efficient AC systems, namely: (i) direct evaporative cooling (DEC), (ii) indirect evaporative cooling (IEC), (iii) Maisotsenko cycle (M-Cycle) evaporative cooling (MEC), and (iv) desiccant AC (DAC), are investigated for climatic conditions of two cities, that is, Multan (Pakistan) and Fukuoka (Japan). In addition, systems' fundamentals and principles are explained by means of schematic diagrams and basic heat/mass transfer relationships. According to the results, performance of all systems is influenced by ambient air conditions; therefore, a particular AC system cannot provide optimum AC for all nonhuman applications. However, one or other AC system can successfully provide desired conditions of temperature and relative humidity. It has been concluded that evaporative cooling systems provide low-cost AC for dry climates, whereas DAC system is found energy efficient and viable for humid climates.

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“…As figure 1 illustrates it indirect evaporative cooling system provides desired cooling condition without moisture. Due to high efficiency of the M-cycle the greenhouse emissions will be decreased [4] and this process is more economic in comparison with traditional methods of cooling system [5,6]. The maximum exergy loss occurs at 0˚C and it will reach the minimum at higher temperatures [7] so the M-cycle is more efficient when used in hot and dry climates.…”

Section: Introductionmentioning

confidence: 99%

Feasibility Study Of Maisotsenko Indirect Evaporative Air Cooling Cycle In Iran

Rezaee¹,

Houshmand²

2015

GeoScience Engineering

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This paper presents energy and exergy analysis of air cooling cycle based on novel Maisotsenko indirect evaporative cooling cycle. Maisotsenko cycle (M-cycle) provides desired cooling condition above the dew point and below the wet bulb temperature. In this study, based on average annual temperature, The Iran area is segmented into eleven climates. In energy analysis, wet-bulb and dew point effectiveness, cooling capacity rate and in exergy analysis, exergy input rate, exergy destruction rate, exergy loss, exergy efficiency, exergetic COP and entropy generation rate for Iran's weather conditions in the indicated climates are calculated. Moreover, a feasibility study based on water evaporation rate and Maisotsenko cycle was presented. Energy and exergy analysis results show that the fifth, sixth, seventh and eighth climates are quite compatible and Rasht, Sari, Ramsar and Ardabile cities are irreconcilable with the Maisotsenko cycle.

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Coolerado and Modeling an Application of the Maisotsenko Cycle

Cited by 10 publications

References 0 publications

Thermal Performance Enhancement of a Cross-Flow-Type Maisotsenko Heat and Mass Exchanger Using Various Nanofluids

Thermal Performance Enhancement of a Cross-Flow-Type Maisotsenko Heat and Mass Exchanger Using Various Nanofluids

Energy-Efficient Air-Conditioning Systems for Nonhuman Applications

Feasibility Study Of Maisotsenko Indirect Evaporative Air Cooling Cycle In Iran

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