Estimation of the energy efficiency of cryogenic filled tank use in different systems and devices

Blagin, E.V.; Dovgyallo, A.I.; Nekrasova, S.O.; Sarmin, Dmitry; Uglanov, D.A.

doi:10.1016/j.applthermaleng.2015.09.052

Cited by 14 publications

(10 citation statements)

References 12 publications

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“…It is proposed to use thermoelectric generator modules (TGM) to realize the low-temperature potential of LNG, which are now widely used. The power generated by such generators ranges from a few milliwatts to several kilowatts and is ultimately determined by the economic feasibility of choosing this method of energy conversion [6]. At present, the line of modern thermoelectric generators provides the possibility of obtaining electric power with an efficiency of up to 15% (depending on the temperature levels of hot and cold junctions).…”

Section: Low-potential Energy Convertersmentioning

confidence: 99%

Increasing the Efficiency of Storage of Cryoproduct through the Introduction of Technical Solutions

Zaika¹,

Aksenova

Shatokhin

et al. 2018

MATEC Web Conf.

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In various systems of aerospace engineering, transport, as well as in energy complexes for various purposes, cryogenic liquids are now widely used. Liquefied natural gas (LNG) is an environmentally friendly energy source that has several advantages over petroleum products. LNG using reduces the weight and size characteristics of tanks for storage and transportation. Reducing the loss of cryoproducts using low-potential power machines to ensure efficient storage of cryoproducts. Significant problems associated with the loss of its low-potential energy (caused by heat from the environment). There is a need to improve solutions to compensate for losses and expenses. This study examined the possibility of reducing the loss of cryoproducts when stored in tanks and transportation systems. Details were studied: assessment of losses of the cryoproduct and its capabilities for low-temperature energy, calculation of the loss compensation loop, calculation of the contour for generating additional energy based on a heat power plant, analysis of low-potential power plants, compensating losses of cryoproducts during storage. The main results of the research are the proposal to organize the LNG Storage, calculate the loss compensation loop and the supplementary energy circuit.

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Section: Low-potential Energy Convertersmentioning

confidence: 99%

Increasing the Efficiency of Storage of Cryoproduct through the Introduction of Technical Solutions

Zaika¹,

Aksenova

Shatokhin

et al. 2018

MATEC Web Conf.

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“…So, it is proposed to use the so-called cryogenic filling balloon (patent of Samara state aerospace University № 2163699, Russia) as a part of the throttle cooling system [3,4]. Its feature is cryogenic filling, which allows for the same volume of the balloon and the mass of the refilled working fluid to increase the time of operation of the throttle system by 1,5 times.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Operation of Throttle Micro-cooler at Nitrogen Use with Near-critical Parameters

et al. 2018

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Abstract. The work of a throttle cooling system with a standard balloon and a throttle cooling system from a cryogenic filling balloon is considered. A comparison between the geometric and hydraulic characteristics of the micro heat exchangers of the two systems is made. The prospects of using the latest system for cooling of photodetector devices (PD) of the infrared range of navigation and research systems for aerospace applications are also shown.

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“…A comparison of the calculation and experimental results dependencies [1,2] with the results of numerical modelling is presented on figure 5. As it can be seen from the plot, pressure rises quicker on the initial stage of the gasification (up to 0.9 MPa for 30 minutes).…”

Section: Figure 3 Nitrogen Evaporation Boundarymentioning

confidence: 99%

“…This amount of nitrogen corresponds to one-third filling of tank. Temperature of external wall is set equal to 293 K. Temperature of inner wall is set variable corresponding to calculation results [1,2]. In initial moment of time temperature of the Dewar inner wall is set 2 K higher than evaporation temperature for given pressure.…”

Section: Numerical Modelingmentioning

confidence: 99%

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Numerical Modelling of Evaporation Process in Cryogenic Systems

Шиманов¹,

Uglanov²,

Sarmin³

et al. 2017

MATEC Web Conf.

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Abstract. This article deals with a problem of evaporation numerical modeling in cryogenic systems of constant volume. Particularly, a method of nitrogen evaporation modeling in cryogenic fueling tank was considered. Userdefined functions of nitrogen thermodynamic properties in temperature range of 70...400 K and pressure range of 0.1...30 MPa. The result of this research is calculation algorithm which allows to model processes of phase change in cryogenic systems with constant volume. A comparison obtained between results of numerical modeling with experimental and analytical data is presented. Deviation of results from experimental data is 5-10%.

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Estimation of the energy efficiency of cryogenic filled tank use in different systems and devices

Cited by 14 publications

References 12 publications

Increasing the Efficiency of Storage of Cryoproduct through the Introduction of Technical Solutions

Increasing the Efficiency of Storage of Cryoproduct through the Introduction of Technical Solutions

Analysis of Operation of Throttle Micro-cooler at Nitrogen Use with Near-critical Parameters

Numerical Modelling of Evaporation Process in Cryogenic Systems

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