Current Trends in Cuba on the Environmental Impact and Sustainable Development

Camaraza-Medina, Yanán

doi:10.18280/ti-ijes.640116

Cited by 5 publications

(6 citation statements)

References 3 publications

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“…The selection of the condensation system requires having a primary group of input data, which are summarized in Table 1. The quick selection graph is an alternative for the quick choice of operating parameters for pre-established conditions of the TPP, this method is a quick and moderately effective, but allow to obtain the effectiveness of the ACC in a first intend [5]. Diagram of the temperature variation is a rapid solution for the selection of most adequate operation intervals in the ACC, (see Figure 2).…”

Section: Basic Methodology For the Selection Of The More Adequate Conmentioning

confidence: 99%

“…Of the 25 planned BPPs, a total of 17 are located in areas of operation with a deficit of access to water, so the use of ACC can be an effective solution for the start-up of these facilities. Cuba is not distant of the global crisis of water, therefore, it is essential to give an adequate use, this has motivated that has been considered to medium term the use of technology ACC in the projects planned of BPP [5].…”

Section: Introductionmentioning

confidence: 99%

“…02 − 0.434 • ) • • 0.226• (26)where: e is Euler constant, A and B are constants variables that depend of the volume of emission of greenhouse effect gases. Variables A and B, are computed as[5]:…”

mentioning

confidence: 99%

See 2 more Smart Citations

New Procedure for Thermal Assessment of an Air Cooled Condenser Coupled to Biomass Power Plant

Camaraza-Medina¹,

Sánchez-Escalona²,

Retirado-Mediaceja³

et al. 2020

IJSDP

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In the present times, the use of air cooled condenser (ACC) has become generalized where the installation of power plants is required and access to condensation water is difficult. At present it is known that performing the thermal evaluation of an ACC is a complex task, since the existing methods do not consider all the elements that directly influence the performance of the ACC. A very widespread method is that attributed to Kröger, however its use does not provide adequate results for high values of environmental temperature, which is a limitation to be applied in tropical countries like Cuba. This document provides an analysis method that includes the effect of environmental variables and that allows reasonable results to be obtained for high values of ambient temperature. The new proposal follows the logical sequence of the Kröger method, but considering a new procedure for the determination of the mean heat transfer coefficients and pressure drops, required for the thermal evaluation of ACC.

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Section: Basic Methodology For the Selection Of The More Adequate Conmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

New Procedure for Thermal Assessment of an Air Cooled Condenser Coupled to Biomass Power Plant

Camaraza-Medina¹,

Sánchez-Escalona²,

Retirado-Mediaceja³

et al. 2020

IJSDP

Self Cite

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show abstract

“…Although the thermal comfort estimation in this investigation established that the comfort band has a width of 30 to 35 ℃. However, the maximum people preferred a small range, ranging between 33-34℃ [28].…”

Section: Neutral Temperature (Tn) and Comfort Range (Tcr) Of Respondents In The Non-ac And Ac Pantry Carsmentioning

confidence: 99%

Thermal Comfort Study in Indian Railway Pantry Cars Kitchen

Alam¹,

Muthiah²,

Salve³

2020

I2M

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Plenty of research studies in thermal comfort have been conducted in varied areas viz. schoolrooms and houses, industrial workplaces. However, limited studies have been witnessed in areas of commercial kitchens such as hotels, restaurants, and hostel mess kitchen. Current studies pertaining to thermal comfort have been organized into two different types of railway pantry cars kitchen available in India, between August and September 2018. The chef's activities are almost identical in these two pantry cars, but the insulation value of the clothing is slightly different, then it is a curiosity to know that their comfort temperature is the same or different. A little different sum of chefs (respondents) comfort in the research of each pantry car kitchens. In both pantry car kitchen, similar monitoring equipment was used. An implication of this study demonstrates that chef's comfort temperatures and comfort range of temperature were found to be similar in both the pantry car kitchen. While it has also been found that the comfort temperature value of both types of pantry car kitchen chef's is slightly less than the value of the comfort temperature on the comfort study in different areas.

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“…(26) e is de Euler constant value, while A and B are constants values, conditioned to the emission of greenhouse effect gases. Values of constant A and B are obtained as[13]:…”

mentioning

confidence: 99%

Proposal Method for Assessment Evaluation of Air Cooled Condenser Used in a Biomass Power Plant of Cuba

Camaraza-Medina¹,

Escalona²,

Retirado-Mediaceja³

et al. 2020

IJES

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At present day, the use of Air Cooled Condenser (ACC) in power plants is a trend in regions with difficult access to water. In the available literature the performance analysis of the ACC is a difficult task, because not have an only method that includes all of the elements related to the ACC's use and his effect on the power plant. The Kröger's method is recognized as the more effective for the thermal analysis of the ACC, but this procedure not offer satisfactory results for elevated values of environmental temperature, as it is the case of Cuba. In the present work is developed a unique method of analysis that considers the effect of the environmental variables on the ACC, allowing obtaining its final effect on the condenser facilities. The new proposal follows the same logical order shown in the Kröger's method, since it is the one with the greatest acceptance and dissemination among researchers and specialists working in this field. In this new method are considered news procedures for the estimation of the average heat transfer coefficient, pressure drop and thermal assessment.

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Current Trends in Cuba on the Environmental Impact and Sustainable Development

Cited by 5 publications

References 3 publications

New Procedure for Thermal Assessment of an Air Cooled Condenser Coupled to Biomass Power Plant

New Procedure for Thermal Assessment of an Air Cooled Condenser Coupled to Biomass Power Plant

Thermal Comfort Study in Indian Railway Pantry Cars Kitchen

Proposal Method for Assessment Evaluation of Air Cooled Condenser Used in a Biomass Power Plant of Cuba

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