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Stability of time‐delay systems

- J. G. Landis, D. D. Perlmutter
- Mathematics
- 1 March 1972

A direct method is presented for determining both local and regional stability of systems described by nonlinear differential-difference equations. Prediction of stability is with respect to a… Expand

1,264 170

A random pore model for fluid‐solid reactions: I. Isothermal, kinetic control

- S. Bhatia, D. D. Perlmutter
- Chemistry
- 1 May 1980

For fluid-solid reactions, a random pore model is developed which allows for arbitrary pore size distributions in the reacting solid. The model can represent the behavior of a system that shows a… Expand

930 35

Effect of the product layer on the kinetics of the CO2‐lime reaction

- S. Bhatia, D. D. Perlmutter
- Chemistry
- 1983

The kinetics of reaction between CO2 and lime is investigated in the range of 673 to 998 K with a view to examining the effects of product layer deposition and variations in the limestone calcination… Expand

507 34

A random pore model for fluid‐solid reactions: II. Diffusion and transport effects

- S. Bhatia, D. D. Perlmutter
- Chemistry
- 1 March 1981

The prior random pore model for kinetically controlled fluid-solid reaction (Bhatia and Perlmutter, 1980) is generalized to include transport effects arising from boundary layer, intraparticle, and… Expand

364 17

The effect of pore structure on fluid‐solid reactions: Application to the SO2‐lime reaction

- S. Bhatia, D. D. Perlmutter
- Chemistry
- 1 March 1981

The effect of varying pore structures on the kinetics of fluid-solid reactions is investigated through the random pore model developed in prior papers (Bhatia and Perlmutter, 1980, 1981). By… Expand

153 5

The oxidation of bituminous COAL—II experimental kinetics and interpretation

- A. Kam, A. Hixson, D. D. Perlmutter
- Chemistry
- 1976

Abstract An experimental kinetic study was made on the oxidation of bituminous coal and the results were used to test the mathematical model presented in Part I. Satisfactory agreement was observed… Expand

51 4

Thermal decomposition of metal nitrates and their hydrates

- J. Mu, D. D. Perlmutter
- Chemistry
- 1 August 1982

Abstract A study is reported of the controlled decompositions of various metal nitrates and their common hydrates, carried out in a thermogravimetric analyzer, a differential scanning calorimeter,… Expand

73 2

The oxidation of bituminous coal—I Development of a mathematical model

- A. Kam, A. Hixson, D. D. Perlmutter
- Chemistry
- 1976

Abstract A general rate expression based on a proposed dual-path reaction model is developed for the oxidation of coal under mild conditions such as are useful in pretreatment for gasification. The… Expand

67 2

Unified treatment of structural effects in fluid‐solid reactions

- S. Bhatia, D. D. Perlmutter
- Chemistry
- 1 March 1983

By considering reaction and diffusion through a product layer and concomitant movement of pore and reaction surfaces, a general rate equation is derived for fluid-solid reactions. Application to the… Expand

38 2

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