Réfrigération par cycle à absorption-diffusion: comparison des performances des systèmes NH3H2O et NH3NaSCN

Bourseau, Patrick; Bugarel, R.

doi:10.1016/0140-7007(86)90092-7

Cited by 67 publications

(11 citation statements)

References 4 publications

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“…High-pressure liquid refrigerant (2) from the condenser passes into the evaporator through an expansion valve V1 that reduces the pressure of the refrigerant to the low pressure level as in the evaporator. The liquid ammonia vaporizes in the evaporator by absorbing heat from the material being cooled and the resulting low partial pressure vapor (3) passes to the absorber, where it is absorbed by the strong solution (8) coming from the generator through the generator absorber exchanger (GAX) and form the weak solution (4). The weak solution is pumped to the solution heat exchanger and then the generator, and the solution is boiled in the generator.…”

Section: Thermodynamic Propertiesmentioning

confidence: 99%

“…Tyagi [4,5] and Aggarawal et al [6] provided a review on ammonia-salt absorption refrigeration systems. Thermodynamic and physical properties for the NH 3 -LiNO 3 and NH 3 -NaSCN solutions have been presented by Infante Ferreira [7], whereas interesting comparisons between NH 3 -H 2 O; NH 3 -LiNO 3 and NH 3 -NaSCN absorption systems may be found in the works of Bourseau and Bugarel [8] and Sun [9].…”

Section: Introductionmentioning

confidence: 99%

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Performance investigation of a thermal‐driven refrigeration system

Zhu

Wang

2008

Int. J. Energy Res.

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SUMMARYThermal-driven refrigeration systems have attracted increasing research and development interest in recent years. These systems do not cause ozone depletion and can reduce demand on electricity. The main objective of this work is to perform tests and theoretical analyses of a thermal-driven refrigeration system using a new sorbent-sorptive pair as the working pair. The active component of the sorbent used in this study is sodium thiocyanate (NaSCN). Ammonia ðNH 3 Þ is chosen as sorptive. Based on the thermodynamic properties of the working solution, a mathematical model is introduced to analyze the system characteristics and performance. A series of experimental data is collected to establish the relationships among different system parameters. The results are compared with those of other thermaldriven refrigeration systems. It is shown that the advantages provided by this system over others include lower generator and evaporator temperatures and a higher coefficient of performance (COP).

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Section: Thermodynamic Propertiesmentioning

confidence: 99%