Search Results - "SAGHAFI, A"

Global bifurcation and chaos analysis in nonlinear vibration of spur gear systems by Farshidianfar, A., Saghafi, A.

“…The global homoclinic bifurcation and transition to chaotic behavior of a nonlinear gear system are studied by means of Melnikov analytical analysis. It is…”
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An analytical study of controlling chaotic dynamics in a spur gear system by Saghafi, A., Farshidianfar, A.

“…In order to design and develop an optimal gear transmission system, it is important to control the occurrence of various types of nonlinear phenomena such as…”
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CO2 storage and gas diffusivity properties of coals from Sydney Basin, Australia by SAGHAFI, A, FAIZ, M, ROBERTS, D

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Estimating greenhouse gas emissions from open-cut coal mining: application to the Sydney Basin by Saghafi, A.

“…A new site-specific (Tier 3) method has been developed to determine greenhouse gas emissions from open coal mining. The Tier 3 method presented here is based…”
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The influence of petrological properties and burial history on coal seam methane reservoir characterisation, Sydney Basin, Australia by Faiz, M., Saghafi, A., Sherwood, N., Wang, I.

“…Gas content of coals continuously change throughout their burial histories as a result of the changing state of equilibrium of the coal–gas system caused by…”
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CO2 storage potential of South African coals and gas entrapment enhancement due to igneous intrusions by SAGHAFI, A, PINETOWN, K. L, GROBLER, P. G, VAN HEERDEN, J. H. P

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Optimization of a Composite Double-Walled Cylindrical Shell Lined with Porous Materials for Higher Sound Transmission Loss by using a Genetic Algorithm by Ramezani, H., Saghafi, A.

“…A study on the optimization of sound transmission loss (TL) across a double-walled cylindrical laminated composite shell whose walls sandwich a layer of porous…”
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Unbiased Weibull Modulus Estimation Using Differential Cumulative Entropy by Yari, GH, Saghafi, A.

“…Recently, Liu ( 2007 ) defined a new entropy which measures the distance between a prescribed and an empirical survival function. In this article, we use this…”
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Development of the first coal seam gas exploration program in Indonesia: Reservoir properties of the Muaraenim Formation, south Sumatra by Sosrowidjojo, I.B., Saghafi, A.

“…The Late Miocene Muaraenim Formation in southern Sumatra contains thick coal sequences, mostly of low rank ranging from lignite to sub-bituminous, and it is…”
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Improved linear regression method for estimating Weibull parameters by Saghafi, A., Mirhabibi, A.R., Yari, G.H.

“…In the linear regression method for estimating parameters of a Weibull distribution, multiple flaw distributions may be further evidenced by derivation form…”
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Potential for ECBM and CO2 storage in mixed gas Australian coals by Saghafi, A.

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Identification and control of chaos in nonlinear gear dynamic systems using Melnikov analysis by Farshidianfar, A., Saghafi, A.

“…In this paper, the Melnikov analysis is extended to develop a practical model of gear system to control and eliminate the chaotic behavior. To this end, a…”
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Enhancing of erythromycin production by Saccharopolyspora erythraea with common and uncommon oils by HAMEDI, J, MALEKZADEH, F, SAGHAFI-NIA, A. E

“…The enhancing effect of various concentrations of 18 oils and a silicon antifoam agent on erythromycin production by Saccharopolyspora erythraea was evaluated…”
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The effect of nanofibrous membrane thickness on fracture behaviour of modified composite laminates – A numerical and experimental study by Saghafi, H., Ghaffarian, S.R., Brugo, T.M., Minak, G., Zucchelli, A., Saghafi, H.A.

“…Delamination is the most frequent failure mode in laminated composite materials and it may cause catastrophic failure in critical engineering structures. One…”
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Potential for ECBM and CO sub(2) storage in mixed gas Australian coals by Saghafi, A

“…Coal seams in Australia often contain large volumes of gas and in many cases mixed gas conditions prevail where coal seam gas (CSG) consists of a mixture of…”
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Evaluation of vapor–liquid equilibrium of ethane binary systems using UNIQUAC-based mixing rules and its extension to multicomponent systems by Saghafi, A, Moshfeghian, M

“…In order to investigate the ability and accuracy of the UNIQUAC-based SRK EOS for prediction of high-pressure vapor–liquid equilibrium (VLE) the UNIQUAC…”
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Potential for ECBM and CO 2 storage in mixed gas Australian coals by Saghafi, A.

“…Coal seams in Australia often contain large volumes of gas and in many cases mixed gas conditions prevail where coal seam gas (CSG) consists of a mixture of…”
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Potential for ECBM and CO2 storage in mixed gas Australian coals: Asia Pacific Coalbed Methane Symposium: Selected papers from the 2008 Brisbane symposium on coalbed methane CO2-enhanced coalbed methane by SAGHAFI, A

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Active vibration isolation of machinery and sensitive equipment using H∞ control criterion and particle swarm optimization method by Farshidianfar, A., Saghafi, A., Kalami, S. M., Saghafi, I.

“…Isolating the sensitive equipment from vibrating base or the foundation from machinery vibration is of practical importance in a number of engineering fields…”
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Volterra-like Banach Algebras and their Second Duals by Pym, J., Saghafi, A.

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