Experimental Study on the Saturated Liquid Density and Bubble Point Pressure for R1234ze(E) + R290

Zhang, Haiyang; Zhong, Quan; Gong, Maoqiong; Li, Huiya; Dong, Xueqiang; Shen, Jun; Wu, Jianfeng

doi:10.1021/acs.jced.6b00327

Cited by 18 publications

(1 citation statement)

References 41 publications

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“…Zhong et al 31 established the Helmholtz state equation for the mixture R290/R1234ze(E). And Zhang et al 32 studied the saturated liquid density and bubble point pressure of the mixture R290/R1234ze(E) in different components experimentally. Based on those studies, the refrigerants R290 and R1234ze(E) were chosen to be combined in a certain mass ratio to form a new refrigerant mixture, and the research result was analyzed and presented in this paper in order to find an energy‐saving, environmental friendly, safe, and efficient refrigerant as a substitute for R22.…”

Section: Introductionmentioning

confidence: 99%

Feasibility of using near‐azeotropic refrigerant mixture R290/R1234ze(E) as substitute for R22

Wang

et al. 2020

Env Prog and Sustain Energy

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The flammability and explosiveness are the disadvantages of the application of R290 practically as an alternative refrigerant of R22. However, adding flame‐retardant R1234ze(E) to R290 can make up for those shortcomings. The refrigerant mixture R290/R1234ze(E) with mass ratio 55%:45% (coded RC01) was proposed to replace R22. The data of RC01 were obtained by calculating using the refrigerant software REFPROP9.1. The environmental impact indexes, temperature glide characteristics, thermodynamic and thermophysical properties, theoretical thermodynamic cycle performances, safety, and lubrication properties of RC01 were analyzed and compared with that of R22, R410A, R407C, R290, R1234ze(E), respectively. The results show that the RC01, with the ozone depletion potential of 0 and global warming potential of 12, is a near‐azeotropic refrigerant whose glide temperature is approximately 0, and it has better thermodynamic and thermophysical properties as well as theoretical thermodynamic cycle performances. The RC01 also has good lubrication characteristics and low flammability. So it is technically feasible to replace R22.

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Section: Introductionmentioning

confidence: 99%

Feasibility of using near‐azeotropic refrigerant mixture R290/R1234ze(E) as substitute for R22

Wang

et al. 2020

Env Prog and Sustain Energy

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The Magnetic Suspension Balance: 40 Years of Advancing Densimetry and Sorption Science

Yang,

Kleinrahm,

McLinden

et al. 2023

Int J Thermophys

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This paper reviews the 40-year evolution and application of the magnetic suspension balance (MSB) and discusses some challenging issues of the technique. An MSB, as defined herein, is a magnetic suspension coupling (MSC) connected to an analytical balance. With an MSC, an object can be weighed in a different environment than the balance itself, making it possible for contactless weighing. Over the past 40 years, the MSB has been commonly used in research areas requiring accurate object weighings, notably gas density measurements by MSB-based densimeters and gas adsorption measurements by MSB-based sorption analyzers. More than 15 MSB-based densimeters have been built to date; these are generally called two-sinker densimeter and single-sinker densimeter. They have produced highly accurate density data of many pure fluids and fluid mixtures. These data serve as the basis for the development of reference equations of state, which play an essential role in various industrial and scientific areas. Moreover, such systems are central to the metrology program of many countries. The MSB technique is also very successful in adsorption science: more than 85 MSB-based sorption analyzers have been set up in over 20 countries. The number of new MSB-based sorption analyzers, and peer-reviewed publications resulting from them, are both increasing exponentially since 2004. They have produced highly reliable gas adsorption data at high pressures for many applications, mainly in the energy and environmental sectors. Although further development of innovative instruments based on the MSB is threatened by the proprietary nature of MSB technology, the development will continue, e.g., toward cryogenic measurements and a more compact design.

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Thermodynamic and economic analysis of refrigerant mixture R290/R1234ze used in an ORC-EERC system for low temperature heat sources

Liang

Sun

et al. 2023

Applied Thermal Engineering

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Experimental Study on the Saturated Liquid Density and Bubble Point Pressure for R1234ze(E) + R290

Cited by 18 publications

References 41 publications

Feasibility of using near‐azeotropic refrigerant mixture R290/R1234ze(E) as substitute for R22

Feasibility of using near‐azeotropic refrigerant mixture R290/R1234ze(E) as substitute for R22

The Magnetic Suspension Balance: 40 Years of Advancing Densimetry and Sorption Science

Thermodynamic and economic analysis of refrigerant mixture R290/R1234ze used in an ORC-EERC system for low temperature heat sources

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