Search Results - subject:"Off design"

Active regulation for improving the off-design conditions of distributed combined cooling, heat and power system

Shao, Youyuan; Sui, Jun; Huang, Simin; Chen, Jiechao; … - In: Energy Reports 6 (2020) 1, pp. 850-855

indicates that the off-design conditions are the root cause of the performance reduction of system. An active regulation method …

Persistent link: https://www.econbiz.de/10012652194

Active regulation for improving the off-design conditions of distributed combined cooling, heat and power system

Shao, Youyuan; Sui, Jun; Huang, Simin; Chen, Jiechao; … - In: Energy reports 6 (2020) 1, pp. 850-855

indicates that the off-design conditions are the root cause of the performance reduction of system. An active regulation method …

Persistent link: https://www.econbiz.de/10012178301

Dynamic Simulation and Exergo-Economic Optimization of a Hybrid Solar–Geothermal Cogeneration Plant

Calise, Francesco; Capuano, Davide; Vanoli, Laura - In: Energies 8 (2015) 4, pp. 2606-2646

includes specific algorithms to evaluate the off-design system performance. The overall simulation model of the solar …

Persistent link: https://www.econbiz.de/10011227995

Performance of a 250 kW Organic Rankine Cycle System for Off-Design Heat Source Conditions

Fu, Ben-Ran; Hsu, Sung-Wei; Lee, Yuh-Ren; Hsieh, Jui-Ching - In: Energies 7 (2014) 6, pp. 3684-3694

to study its off-design performance and the operational control strategy. R245fa was used as the working fluid. Under the … design conditions, the net power output is 243 kW and the system thermal efficiency is 9.5%. For an off-design heat source …, off-design operation of the system was examined for a heat source flow rate which varied by –39.0% to +78.0% from the …

Persistent link: https://www.econbiz.de/10011030848

Experimental investigation of an organic Rankine cycle with multiple expanders used in parallel

Yun, Eunkoo; Kim, Dokyun; Yoon, Sang Youl; Kim, Kyung Chun - In: Applied Energy 145 (2015) C, pp. 246-254

A novel organic Rankine cycle (ORC) with multiple expanders used in parallel (PE-ORC) is proposed for the efficient recovery of waste heat in applications in which there are typically large variations in the amount of heat produced, such as in heavy vehicles and in distributed energy systems...

Persistent link: https://www.econbiz.de/10011263262

Assessment of off-design performance of a small-scale combined cooling and power system using an alternative operating strategy for gas turbine

Han, Wei; Chen, Qiang; Lin, Ru-mou; Jin, Hong-guang - In: Applied Energy 138 (2015) C, pp. 160-168

at the design point. However, the CCP system usually runs under off-design conditions because the users’ demand varies … of gas turbine and absorption refrigerator. The off-design performance of the CCP system is compared under different … improve the off-design performance of CCP system. …

Persistent link: https://www.econbiz.de/10011116096

Design and performance prediction of radial ORC turboexpanders

Fiaschi, Daniele; Manfrida, Giampaolo; Maraschiello, … - In: Applied Energy 138 (2015) C, pp. 517-532

In this paper, a zero-dimensional model for the design of radial turbo-expanders for ORC applications is discussed, with special reference to the estimation of losses and efficiency; a comparison between different fluids (R134a, R1234yf, R236fa, R245fa, Cyclohexane, N-Pentane) is presented and...

Persistent link: https://www.econbiz.de/10011116142

Design and thermodynamic analysis of a hybrid energy storage system based on A-CAES (adiabatic compressed air energy storage) and FESS (flywheel energy storage system) for wind power application

Zhao, Pan; Dai, Yiping; Wang, Jiangfeng - In: Energy 70 (2014) C, pp. 674-684

inlet pressure mode, whereas the FESS is controlled by constant power strategy. Then, the off-design analysis of the …

Persistent link: https://www.econbiz.de/10010810638

A detailed MILP optimization model for combined cooling, heat and power system operation planning

Bischi, Aldo; Taccari, Leonardo; Martelli, Emanuele; … - In: Energy 74 (2014) C, pp. 12-26

variables, highly nonlinear performance curves describing their off-design behavior, and limitations or penalizations affecting …

Persistent link: https://www.econbiz.de/10010931347

Simulation study on lignite-fired power system integrated with flue gas drying and waste heat recovery – Performances under variable power loads coupled with off-design parameters...

Han, Xiaoqu; Liu, Ming; Wang, Jinshi; Yan, Junjie; Liu, … - In: Energy 76 (2014) C, pp. 406-418

improvement of plant thermal efficiency reduced to 1.36% at 50% full load. Moreover, the influences of drying system off-design …

Persistent link: https://www.econbiz.de/10010939838