Effects of adsorbent mass and number of adsorber beds on the performance of a waste heat-driven adsorption cooling system for vehicle air conditioning applications

Sharafian, Amir; Mehr, Seyyed Mahdi Nemati; Thimmaiah, Poovanna Cheppudira; Huttema, Wendell; Bahrami, Majid

doi:10.1016/j.energy.2016.06.099

Cited by 49 publications

(19 citation statements)

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“…The mass ratio of adsorber metallic masses to adsorbent material was referred to as the "adsorber bed to adsorbent mass ratio (AAMR)" by Sharafian et al (2016) [12]. This concept is referred to as simply "mass ratio" in the present work.…”

Section: Mass Ratios Of Heat Exchangersmentioning

confidence: 99%

“…The mass ratio of adsorber bed metal to adsorbent mass for 18 fin and tube adsorber bed systems reported in the literature is summarized by Sharafian et al (2016) [12]. Reported values range from as low as 0.654 to as high as 20.9 kg/kg, with 88% of values being between 1.4 and 7.9 kg/kg.…”

Section: Mass Ratios Of Heat Exchangersmentioning

confidence: 99%

“…Additional mass ratios reported in the literature are summarized by Sharafian and Bahrami (2014) [13]. This list includes ten finned tube adsorbers that are also reported by Sharafian et al (2016) [12], plus 16 more adsorbers of other types including plate, plate-fin, shell-tube, hairpin, and annulus tube. The mass ratio values for the non-finned tube types reported by Sharafian and Bahrami (2014) [13] ranged from as low as 2.0 to as high as 13.3 kg/kg.…”

Section: Mass Ratios Of Heat Exchangersmentioning

confidence: 99%

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Experimentally Measured Thermal Masses of Adsorption Heat Exchangers

et al. 2020

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The thermal masses of components influence the performance of many adsorption heat pump systems. However, typically when experimental adsorption systems are reported, data on thermal mass are missing or incomplete. This work provides original measurements of the thermal masses for experimental sorption heat exchanger hardware. Much of this hardware was previously reported in the literature, but without detailed thermal mass data. The data reported in this work are the first values reported in the literature to thoroughly account for all thermal masses, including heat transfer fluid. The impact of thermal mass on system performance is also discussed, with detailed calculation left for future work. The degree to which heat transfer fluid contributes to overall effective thermal mass is also discussed, with detailed calculation left for future work. This work provides a framework for future reporting of experimental thermal masses. The utilization of this framework will enrich the data available for model validation and provide a more thorough accounting of adsorption heat pumps.

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Section: Mass Ratios Of Heat Exchangersmentioning

confidence: 99%

Section: Mass Ratios Of Heat Exchangersmentioning

confidence: 99%

Section: Mass Ratios Of Heat Exchangersmentioning

confidence: 99%

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Experimentally Measured Thermal Masses of Adsorption Heat Exchangers

et al. 2020

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“…In order to improve the adsorption performance of silica gel, L.G. In Sharafian et al, 13 FAMZ02-water was used as the adsorption pair. The results show that this composite adsorbent can improve the adsorption capacity significantly, 6,7 but the smaller pore volume of the silica gel limits the further improvement of the sorption capacity.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, ammonia has certain toxicity, and it is flammable and explosive. In Sharafian et al, 13 FAMZ02-water was used as the adsorption pair. The results show that the specific cooling power (SCP) can be improved, but the COP is reduced by 37%.…”

Section: Introductionmentioning

confidence: 99%

Experimental and theoretical performance analysis of the silica gel, LiCl with water, methanol multifunction adsorption system

2019

Int J Energy Res

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Summary The world is facing the ever‐worsening issues of global warming. The results show that the physical‐/chemical‐adsorbent water can improve the adsorption capacity of 1.22 kg/kg. If water is used as the adsorbate, the adsorbent has a serious issue of corrosion. So, methanol is utilized. However, methanol just can be heated by low‐temperature heat, because methanol will be broken down in above 140°C adsorption system. The multifunction adsorption system can produce one cold effect output and two power generation outputs. The results show that the silica gel/LiCl‐methanol multifunction adsorption system has a higher cooling exergy efficiency of 0.25 and a higher total system exergy efficiency of 0.87 compared with that of the silica gel‐water system.

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Impact of Alkali‐Metal Impregnation on MIL‐101 (Cr) Metal‐Organic Frameworks for CH₄ and CO₂ Adsorption Studies

Kayal

Chakraborty

2018

ChemPhysChem

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In this article, an assessment of the impact of alkali-metal-ion impregnation on metal-organic frameworks (MOF) is presented employing CH 4 and CO 2 adsorption isotherm data. At first, the parent MOF, MIL-101(Cr), is prepared by a fluorine-free hydrothermal reaction procedure and impregnated with Li, Na, and K alkali cations. These synthesised MOFs are characterized by N 2 adsorption/desorption isotherm analysis, X-ray diffraction (XRD) measurement and scanning electron microscopy (SEM). The amount of CH 4 and CO 2 adsorption uptakes onto parent and alkali ions impregnated MIL-101(Cr) are conducted for wide ranges of pressures and temperatures. For understanding the effects of MOF synthesis process and alkali cations impregna-tion, CH 4 /CO 2 uptakes on perfect crystalline MIL-101(Cr) MOF are also calculated by Grand Canonical Monte Carlo (GCMC) simulation and the results are compared with experimental isotherm data of synthesised parent and alkali ions impregnated MIL-101(Cr) MOFs. It is found that the limiting uptakes and the isosteric heats are mainly influenced by the modified adsorbent structures due to alkali ions impregnation and the polarity of adsorbate molecules. Employing Dubinin-Astakhov (DA) equation, the energy distribution of synthesised parent and alkali doped MIL-101 (Cr) MOFs are also presented to identify the alkali cation effects and the surface heterogeneity.

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Effects of adsorbent mass and number of adsorber beds on the performance of a waste heat-driven adsorption cooling system for vehicle air conditioning applications

Cited by 49 publications

References 72 publications

Experimentally Measured Thermal Masses of Adsorption Heat Exchangers

Experimentally Measured Thermal Masses of Adsorption Heat Exchangers

Experimental and theoretical performance analysis of the silica gel, LiCl with water, methanol multifunction adsorption system

Impact of Alkali‐Metal Impregnation on MIL‐101 (Cr) Metal‐Organic Frameworks for CH₄ and CO₂ Adsorption Studies

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Effects of adsorbent mass and number of adsorber beds on the performance of a waste heat-driven adsorption cooling system for vehicle air conditioning applications

Cited by 49 publications

References 72 publications

Experimentally Measured Thermal Masses of Adsorption Heat Exchangers

Experimentally Measured Thermal Masses of Adsorption Heat Exchangers

Experimental and theoretical performance analysis of the silica gel, LiCl with water, methanol multifunction adsorption system

Impact of Alkali‐Metal Impregnation on MIL‐101 (Cr) Metal‐Organic Frameworks for CH4 and CO2 Adsorption Studies

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Product

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About

Impact of Alkali‐Metal Impregnation on MIL‐101 (Cr) Metal‐Organic Frameworks for CH₄ and CO₂ Adsorption Studies