Exergoeconomic optimization of an irreversible regenerated air refrigerator with constant temperature heat reservoirs

... refrigeration cycle The model of an irreversible regenerated air (Brayton) refrigerator with constant- temperature (hot reservoir temperature TH and cold reservoir temperature TL ) heat reservoirs to be considered ... (linear heat transfer law is applied between the heat reservoir and the working fluid) and the theory of heat exchangers, the rate of heat t...

Ngày tải lên: 09/09/2015, 10:17

... (58), (67) and (68), for given S1 and S , one can drive the maximum cooling load and corresponding COP of the irreversible quantum Carnot refrigerator with heat resistance and heat leakage analytically ... performance of harmonic and spin-1/2 quantum refrigeration cycles, many authors studied the performance of quantum refrigerator using ideal quantum Bose a...

Ngày tải lên: 05/09/2013, 15:28

... generalized heat transfer law including generalized convective heat transfer law and generalized radiative heat transfer law has been derived [11] The heating load and coefficient of performance of a ... The objective of this work is to obtain the cooling load and the maximum cooling load of a refrigerator with internal and external irreversibilities working...

Ngày tải lên: 05/09/2013, 15:28

... Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: heat conductance allocation and pressure ratio optimization Int J Energy and Environment, ... performed the performance analysis and optimization for various cogeneration plants by using finite-time thermodynamics Bojic [19] investigated...

Ngày tải lên: 05/09/2013, 14:58

... Yang B, Sun F Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 1: thermodynamic model and parameter analyses Int J Energy and ... ) ratio of the specific heats temperature ( K ) heat conductance ( kW / K ) hot-side heat conductance allocation heat conductance allocation of the...

Ngày tải lên: 05/09/2013, 14:58

... endoreversible intercooled regenerative Brayton CHP plant coupled to constant-temperature heat reservoirs A thermodynamic model of an endoreversible intercooled regenerative Brayton CHP plant coupled to variable-temperature ... consumer-side heat exchangers, the regenerator and the pressure ratio of the compressor Chen et al [44] and Yang et al [4...

Ngày tải lên: 05/09/2013, 14:59

... Conclusion Finite time exergoeconomic performance of an irreversible universal steady flow heat pump cycle model with variable-temperature heat reservoirs, and the losses of heat transfer and internal ... U L = and x = y = , equations (30) and (33) become the COP and finite time exergoeconomic performance of an irreversible variable-temperature h...

Ngày tải lên: 05/09/2013, 15:28

... perform this optimization for each instance of (15) These optimizations could easily be performed in parallel for greater scalability     (13)    subject to the constraints w P(w | t) = and ... non-convex optimization problem for which we invoke a publicly available constrained optimization tool, ALGENCAN (Andreani et al., 2007) To carry out its optimization, ALGENCAN re...

Ngày tải lên: 07/03/2014, 22:20

... synthesis enhanced by T7 RNA polymerase Prior to the preparation of 15N-labelled samples of hCypA and analysis by NMR spectroscopy, the performance of the cell-free expression system was explored ... 2004 Cell-free synthesis of 15 N-labelled proteins (Eur J Biochem 271) 4087 Optimization of other conditions for in vitro protein synthesis Fig Cell-free...

Ngày tải lên: 16/03/2014, 18:20

... thickness of the electron transport layer in order to prevent contact between the active layer and the ITO electrode with the lowest series resistance We optimized the seed layer thickness to 130 ... performance compared with that of a device consisting of a ZnO seed layer without ZnO NRs The optimization of the electron transport layer in the p...

Ngày tải lên: 21/06/2014, 08:20

... animation and image-based rendering of models [5] Image-based facial animation can achieve more realistic animations, while 3Dbased approaches are more flexible to render the talking head in any view and ... drives the talking head The speech-driven talking head uses phoneme information from original sounds Text-driven talking head is flexible and can be used in many appli...

Ngày tải lên: 21/06/2014, 20:20

... DESIGN OPTIMIZATION OF SMALL- SCALE UNMANNED AIR VEHICLES NG TZE HUI THOMAS (B.Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY IN ENGINEERING DEPARTMENT OF MECHANICAL ... this thesis, new design methodologies have been developed for the design of small- scale unmanned air vehicle (UAV) and micro air vehicle (MAV) It is well known...

Ngày tải lên: 14/09/2015, 10:33

... reduction in NOX emission and increase in smoke, CO and HC emissions [3-5] Pradeep & Sharma [3] investigated the effects of hot EGR along with JB100 (100% Jatropha biodiesel) on engine performance and ... CO and unburned HC emissions The aim of the current study is to investigate the effect of EGR on performance parameters and exhaust emissions...

Ngày tải lên: 05/09/2013, 16:11

... instead of Ms,t and we replace vi x with ui x , ui x with D∗a ui x , and q x with QD x Remark 2.21 In the case of L∞ fractional derivative, we will use the notation Ms,t instead of β α Ms,t and ... monotonicity of the means Journal of Inequalities and Applications Main Results Theorem 2.1 Let ui ∈ U v, K i 1, , and r x ≥ for all x ∈ a, b Also let I ⊆ R be an int...

Ngày tải lên: 21/06/2014, 07:20

... enicrop tsniaga noitceted ydobitna eht rof ASILE na nI yticificeps gnivorpmi rof dna snoitcaer dnuorgkcab hgih gnivomer rof dengised saw DO detcerroc rof alumrof a ,suhT yticificeps wol dna dnuorgkcab ... hcae fo llew/lµ 001 gnidda yb detaoc erew )ASU ,lanoitanretnI cnuN eglaN( setalp retitorcim llew-69 fo swor llew-8 etanretlA )6.9 Hp ,reffub etanobracib Mm 05( reffub gnitaoc a ni lm/gµ 0.1...

Ngày tải lên: 07/08/2014, 18:21