Effect of heat transfer law on the finite time exergoeconomic performance of a generalized irreversible carnot heat engine

... (35) and (36) are the relations between profit rate and efficiency of the irreversible Carnot heat engine based on the radiative heat transfer law The relationships between the profit rate and ... total heat transfer surface area of the two heat exchangers is taken as a constant , that is F1 + F2 = FT (12) And a ratio ( f ) of heat exchanger area...

Ngày tải lên: 09/09/2015, 10:32

... paper analyzes the exergoeconomic performance of a generalized irreversible Carnot heat engine with a complex heat transfer law, including generalized convective heat transfer law and generalized ... result of the generalized irreversible Carnot heat engine with generalized radiative heat transfer law If n = , it is the result of...

Ngày tải lên: 09/09/2015, 10:06

... results of irreversible Carnot heat engine with linear phenomenological heat transfer law [54, 57] If n = , they are the results of irreversible Carnot heat engine with radiative heat transfer law ... optimal ecological performance of the Carnot heat engine with heat resistance and heat leakage ( m ≠ 0, n ≠ 0, q > 0, Φ = ), and optimal ec...

Ngày tải lên: 05/09/2013, 15:28

... 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

... Ceperly P H Gain and efficiency of a traveling wave heat engine J Acoust.Soc Am., 1982, 7(3): 1239-1243 [3] Yazaki T, Iwata A, mackawa T and Tominaga A Traveling wave thermoacoustic engine in a looped ... / F1 and FT = F1 + F2 Here, the total heat transfer surface area FT of the two heat exchangers is assumed to be a constant (3) There is a constant rate of heat...

Ngày tải lên: 05/09/2013, 16:10

... Maher A. R Sadiq Al-Baghdadi A CFD study of hygro-thermal stresses distribution in tubularshaped ambient air-breathing PEM micro fuel cell during regular cell operation International Journal of Energy ... differential between the fuel cell stack and the operating environment make thermal management a challenging problem in PEM fuel cells As the am...

Ngày tải lên: 05/09/2013, 14:58

... system.32 B The Law on Prevention and Control of Water Pollution and Regulations The LPCWP is China’s main national law focused on water pollution As amended in 2008, this law “is enacted for the purposes ... to the LPCWP, polluting industries are subject to a variety of rules and regulations Nationally, these include the Implementing Rules o...

Ngày tải lên: 18/02/2014, 04:20

... detect a change in postural control associated with the performance of a secondary cognitive task The ability to stand as still as possible was evaluated under single task (standing still) and dual ... measures like ApEn are useful as indices of relative constraint, because in theoretical terms they are interpreted as a characterization of the dynamic interac...

Ngày tải lên: 19/06/2014, 10:20

... with attack and release time constants τraise and τdecay The differences between the maxima and minima are calculated to obtain the current dynamic range of the signal (4) The decision for a speech ... vectors containing speech samples will be added to the noise data matrix in (5), which leads to cancellation of parts of the speech signal On the other hand, if t...

Ngày tải lên: 21/06/2014, 08:20

... Concept of the law on equality among enterprises The law on equality among enterprises in Vietnam does not exist as an independent institution but is present in many legislations The law on equality ... proportional to benefit and violation is proportional to liability Contents of the law on equality among enterprises include: - Regulations on th...

Ngày tải lên: 17/07/2014, 10:21

... ultrasonography (Aloka, Japan) When no ovulation was confirmed, the cows received a 2nd injection of PGF analogue 11 days after the 1st PGF analogue injection Next, the 12 cows were randomly allocated ... with GnRH analogue days after ovulatory synchronization by Ovsynch- based treatments on the pregnancy rate in postpartum multiparous Japanese black cows Ma...

Ngày tải lên: 07/08/2014, 20:24

... part of the explanation However, cambial activity also interferes by long-term effects through variation in the conducting capacity of the main stem References Discussion and Conclusion The control ... control of secondary xylem differentiation by shoot growth in the bearing stem below is not easy to explain It differs markedly according to the complex domina...

Ngày tải lên: 09/08/2014, 02:21

... to contribute to the betterment of society 2.2 The definition of CSR The definition of corporate social responsibility is not abstruse According to Business for Social Responsibility (BSR), corporate ... is the CSR? -  The definition of CSR The theories of CSR What is the finance performance?  What is the relationship between CSR and finance performan...

Ngày tải lên: 13/03/2014, 14:20

... equations,” Transactions of the American Mathematical Society, vol 359, no 2, pp 637–648, 2007 [2] S Junca and M Rascle, “Strong relaxation of the isothermal Euler system to the heat equation,” ... towards those of (1.6) for arbitrary large initial data in BV (R) space Marcati and Milani [3] showed the derivation of the porous media equation as the limit of the i...

Ngày tải lên: 22/06/2014, 19:20