Int. J. Energy Res.
 1997
DOI: 10.1002/(sici)1099-114x(199703)21:3<209::aid-er245>3.0.co;2-6
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Exergetic Evaluation of Gas Turbine Cogeneration Systems for District Heating and Cooling

P. S. Pak
1
,
Yutaka Suzuki
2

Abstract: SUMMARYA cogeneration system (CGS) generating both power and heat for district heating and cooling is required to be able to cope efficiently with its heat demand change. In this paper, two types of gas turbine CGSs were investigated: (1) a CGS using a dual fluid cycle; and (2) a CGS using a combined cycle. Exergy flows at various points of each CGS have been evaluated when its heat demand is changed. The following have been shown through simulation studies: (a) the higher the heat supply ratio, the higher the… Show more

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Cited by 6 publications

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“…The CC releases the stack gas at a much higher temperature of 178 • C. One way of increasing the operative flexibility of CC is realized via partial steam bleed-off from the low-pressure stage of the steam turbine and subsequent condensation [29]. Similar to TopCycle, the so extracted heat can be utilized in district heating applications.…”
Section: Comparison Results Of the Reference CC And Topcyclementioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
“…The CC releases the stack gas at a much higher temperature of 178 • C. One way of increasing the operative flexibility of CC is realized via partial steam bleed-off from the low-pressure stage of the steam turbine and subsequent condensation [29]. Similar to TopCycle, the so extracted heat can be utilized in district heating applications.…”
Section: Comparison Results Of the Reference CC And Topcyclementioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
“…Both energy and exergy efficiency were used to assess the performance of DCS with CCHP system [47,48]. Three DCSs integrated with CCHP systems were compared, which use electrical chillers, single-effect absorption chillers and double-effect absorption chillers respectively.…”
Section: Integration With Cchp Systemsmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
“……”
mentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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