Development of a novel flow control system with arduino microcontroller embedded in double effect absorption chillers using the LiBr/H2O pair

KL Cézar, AGA Caldas, AMA Caldas… - International Journal of …, 2020 - Elsevier
The purpose of this work is the development and implementation of a flow control strategy
for the LiBr/H2O saline recirculation system in double effect absorption chillers to guarantee …

A novel method and operation strategy for the improved performance of an absorption heat transformer

Y Jing, F Liu, J Sui, T Liu - Applied Thermal Engineering, 2020 - Elsevier
Recently, waste heat recovery in industry applications of absorption heat transformers has
developed rapidly. Due to the instability of the heat source and constantly changing heat …

Numerical modeling of falling-film plate generator and rectifier designed for NH3—H2O absorption machines

M Wirtz, B Stutz, HT Phan, F Boudehenn - Heat and Mass Transfer, 2022 - Springer
This study presents the numerical development of a generator–rectifier combined
component (called a “combined-generator”) composed of plate heat exchangers, designed …

Design, development and construction of Hall effect-based turbine meter type to measure flow in low-cost lithium bromide salt: Proposed flowmeter and first results

AMA Caldas, AGA Caldas, CAC Dos Santos… - International Journal of …, 2020 - Elsevier
The objective of this work is the design, construction and testing of a conventional turbine-
type flow meter for liquids, especially for low-cost lithium bromide (LiBr) saline solution. This …

Thermodynamic modeling and performance optimization of a solar-assisted vapor absorption refrigeration system (SAVARS)

B Huirem, PK Sahoo - International Journal of Air-Conditioning and …, 2020 - World Scientific
A thermodynamic steady-state model for a single-effect lithium bromide–water (LiBr-H2O)-
based vapor absorption refrigeration system of 17.5 kW capacities has been presented …

Transient behavior assessments of a single-effect ammonia-water absorption heat pump system: Development of an efficient experimentally validated numerical …

B Dehghan, M Aprile, L Pistocchini, T Toppi… - International Journal of …, 2021 - Elsevier
In this study, the long-term transient response of a single-effect ammonia-water gas-fired
absorption heat pump prototype is investigated both numerically and experimentally. For the …

Modelling and analysis of a compression/resorption heat pump system with a zeotropic mixture of acetone/CO2

P Dávila, M Bourouis, JF Nicolalde… - Applied Thermal …, 2023 - Elsevier
Industrial processes represent one of the most energy-consuming activities, which are
related to fossil fuel utilization and the growing environmental problems. In this way, the heat …

Numerical and experimental investigation of the dynamic performance of absorption heat transformers under different solution conditions

Y Jing, F Liu, T Liu, J Sui - International Journal of Refrigeration, 2021 - Elsevier
An experimental investigation and dynamic simulation of vertical falling-film LiBr/H 2 O
absorption heat transformer systems have been reported in this paper. The established 20 …

Transient Experiments on a Prototype Pump with an Atypical Open Impeller for Different Discharge Valve Openings.

X Sun, H Huang, Y Zhang, L Tong… - Fluid Dynamics & …, 2024 - search.ebscohost.com
In order to obtain the transient characteristics of a low-speed centrifugal pump during the
start-up and shutdown stages, dedicated experimental tests were conducted with eight …

[PDF][PDF] Innovative small capacity gas driven ammonia-water absorption heat pump prototype for space heating and domestic hot water production

L Pistocchini, G Villa, C Paulin… - … proceedings 14th IEA …, 2023 - re.public.polimi.it
Gas driven absorption heat pumps are a viable alternative for efficient space heating and
domestic hot water production in residential and light commercial buildings with high …