Experimental and techno-economic analysis of transcritical CO2 heat pump water heater with fin-and-tube and microchannel heat exchanger

Y Wang, S Zong, Y Song, F Cao, Y He, Q Gao - Applied Thermal …, 2021 - Elsevier
Previously, the conventional fin-and-tube heat exchanger is usually chosen as the
evaporator in the air source heat pump. Recently, with the higher heat transfer efficiency, the …

Experimental investigation of water adsorption in MIL-101 (Cr)-coated microchannels

F Ege, DG Pahinkar - Chemical Engineering Journal, 2023 - Elsevier
A novel wash-coating technique was developed to coat a porous layer of MIL-101 (Cr)
adsorbent on the inner walls of fused silica microchannels. The optimum adsorbent slurry …

Adsorbents, working pairs and coated beds for natural refrigerants in adsorption chillers—state of the art

P Boruta, T Bujok, Ł Mika, K Sztekler - Energies, 2021 - mdpi.com
Adsorption refrigeration systems are promising, sustainable solutions for many cooling
applications. The operating range and the performance of an adsorption cooling cycle are …

Entropy generation minimization of an advanced two-bed adsorption refrigeration system

S Yagnamurthy, PR Chauhan, BB Saha… - … Communications in Heat …, 2022 - Elsevier
This article presents the thermodynamic assessment of an advanced adsorption chiller with
an aim towards entropy generation minimization through the selection of appropriate …

Analysis of Designs of Heat Exchangers Used in Adsorption Chillers

T Bujok, P Boruta, Ł Mika, K Sztekler - Energies, 2021 - mdpi.com
In the face of increasing demands with regard to the share of renewable energy sources in
the energy mix, adsorption chillers are becoming a potentially important part of the energy …

Genetic algorithm based multi-objective optimization of an adsorption cooling system with passive heat recovery mechanism

PR Chauhan, BB Saha, SK Tyagi - International Communications in Heat …, 2024 - Elsevier
The present study comprehensively examines the thermodynamic performance of an
adsorption refrigeration system considering the effect of wetness fraction and hot flushing. A …

Synthesis and Characterization of MIL–101 (Cr) Adsorbent Coating on Microchannel Walls for Water Adsorption Heat Pumps

N Chauhan, F Accornero, AI Sultana… - Industrial & …, 2022 - ACS Publications
A novel approach is developed for washcoating metal–organic framework MIL-101 (Cr), a
high-performance water adsorbent, uniformly on a cordierite honeycomb microchannel …

Ethanol-enhanced wash-coating of zeolite 13X on microchannel walls for CO2 capture

MSR Bondugula, F Ege, DG Pahinkar - Separation and Purification …, 2024 - Elsevier
Minimizing the energy demand for capturing carbon dioxide (CO 2) from air and post-
combustion sources is critical to mitigate the effects of climate change. Adsorbent-coated …

Fabricating porous adsorbent coatings using resin curing method: A comprehensive experimental investigation

F Ege, D Hocheimy, N Chauhan… - Journal of …, 2024 - Elsevier
This study investigates a novel stereolithography-based technique using ultraviolet (UV)
light and photopolymer resin to fabricate porous and robust MIL-101 (Cr) adsorbent layers. A …

Integrated substrate and adsorbent layer additive manufacturing for asymmetrically operating minichannel adsorbent bed

F Ege, DG Pahinkar - Applied Thermal Engineering, 2025 - Elsevier
Adsorption heat pumps (AHP) have conventionally used packed bed design, making their
operation sluggish leading to difficulty in using heat for the adsorbent regeneration. While …