Using Life-cycle Analysis to Assess Energy Savings Delivered by Building Insulation

Горшков, А. С.; Vatin, Nikolai; Nemova, Darya; Shabaldin, Alexandr; Melnikova, Liubov; Kirill, Paramonov

doi:10.1016/j.proeng.2015.08.240

Cited by 37 publications

(12 citation statements)

References 12 publications

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“…Working fluid must have a high thermal conductivity to ensure efficient heating and cooling in the heat exchanger. An important requirement for the working fluid is thermal stability in the high temperature range, since many organic compounds undergo chemical transformation upon heating, which lead to a change in the properties of the fluid [22][23][24][25][26][27][28][29]. More than that, fluid should not be flammable, toxic or pollute the environment.…”

Section: Methodsmentioning

confidence: 99%

Determination of the optimal working fluid for the turbine recovering combustion engine exhaust gases heat

et al. 2019

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Microsteam turbine implementation for combustion engine exhaust gases heat recovery and subsequent acquisition of additional power is being investigated in many developed countries of the world. The results of such studies have already found application in some trucks. But this type of turbines is very weak in the Russian market. Turbine installation behind the combustion engine works under conditions of low volumetric flow of work fluid. This leads to a decrease in the height of the blade and vane wheels flow passage and an increase of the relative values of the gaps in the seals which are the reasons for the growth of the working fluid leakages. High degree of pressure reduction when selecting single-stage turbine leads to a supersonic velocity in the flow passage and an increase of the losses due to powerful shock waves. The efficiency of the turbine installation under these operating conditions is low and requires additional investigations. In this work, the working fluids which can give the greatest efficiency of the turbine installation were investigated. It was shown that not only thermodynamic but also hazardous and economic parameters must be taken into consideration. Working fluid with the high thermodynamic efficiency was compared with the one that profitable from economic point of view. The most appropriate substance was chosen and implemented in the microsteam turbine. The turbine stage which allows increasing economy and ecological compatibility of the combustion engine was developed and optimized by analytical methods.

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Section: Methodsmentioning

confidence: 99%

Determination of the optimal working fluid for the turbine recovering combustion engine exhaust gases heat

et al. 2019

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“…Now in world and domestic practice is widely used in competition form of realization of investment projects, particularly at the design stage. In the midst of a deep crisis in the country's economy and, consequently, the lack of budgetary funds, a very important task is to make the best use of them [18]. This goal can only be achieved with the implementation of investment projects on a competitive basis, provided the optimum use of allocated funds.…”

Section: Introductionmentioning

confidence: 99%

Management of energy efficient measures by buildings’ thermorenovation

Zemītis

Terekh

2018

MATEC Web Conf.

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The system of integral indexes for estimation of economic efficiency of warm isolations of dwelling and civil buildings is resulted in the article. For the management by energysavings measures during realization of investment projects in the conditions of financial limitations effectively to apply economic-mathematical methods. Application of method of the dynamic programming at the choice of effective measures on the heatcover of barriering constructions of buildings allows to get the mixed optimum strategy of the use of the limited investments.

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“…The existing mathematical models [1][2][3][4] give possibility to estimate the discounted payback period of investments for reducing energy consumption of housing and utilities infrastructure objects. This estimation may include different approaches for improving an energy performance of buildings as geothermal heat pump [5] and energy performance of domestic hot water systems [6].…”

Section: Introductionmentioning

confidence: 99%