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Mapping Surrogate Gasoline Compositions into RON/MON Space
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-79.pdf1 May 2019: Table 1: Physical dimensions of the CFR engine for RON and MON tests. ... Table 13: Test conditions for the HCCI tests. Case CR Intake temperature Intake pressure Engine speed λNo. / -
Multi-compartment population balance model for a granulation process
https://como.ceb.cam.ac.uk/media/presentations/mk306-presentation-linz-2015.pdf1 May 2019: Test system: compartmental model. Prof. Markus Kraft mk306@cam.ac.uk. Errors at different frag. ... Test system. Test system: compartmental model. Errors at different frag. rates for each algorithm. -
Markus Kraft mk306@cam.ac.uk Reducing the Carbon Footprint of…
https://como.ceb.cam.ac.uk/media/presentations/mk306-invitedpresentation-bp-2011.pdf1 May 2019: Markus Kraft mk306@cam.ac.uk. Modelling Octane Number •Industrially, octane number determined using engine test. ... Model used to predict octane number from fuel composition. • Engine test required to predict octane number accurately. -
Slide 1
https://como.ceb.cam.ac.uk/media/presentations/mk306-invitedpresentation-oxford-2012A.pdf1 May 2019: Knock in Spark Ignition Engines. Knocking combustion in research engine Research Octane Number test simulation. ... occurred at 12.5 CAD aTDC. research octane tests. 21. Diesel and PCCI combustion. -
Algae under Uncertainty: The Future of the Algal Biodiesel Economy
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-126.pdf1 May 2019: Here, we briefly overview the primaryissues associated with the economic viability of algal biorefineries. ... scope, how these uncer-tainties affect the economic viability of such algal biorefineries. -
Microsoft PowerPoint - AldawoodEtAl_CombustSymp2008_WIPP_HCCICtrlH2
https://como.ceb.cam.ac.uk/media/presentations/ama44-poster-montreal-2008.pdf1 May 2019: Use of a fixed set of gains causes a relative instability in the response at the two ends of the test. -
Quantitative tools for cultivating symbiosis in industrial parks; a…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-152.pdf1 May 2019: 12. optimize total economic benefits. Utility networks, typically comprised of steam, water and electric, have also been studiedand optimised. ... Oliveira and Antunes[138] employed economic input-output LCA (EIO-LCA) to construct a model based -
A simple model for the aggregate structure of soot particles
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-38.pdf1 May 2019: Other definitions are possible and numerical tests of the simpler, possibly less realistic,case rgr (x) = rox (x) = c(x) are reported below. ... This gave a test of coagulation and results are shown in figure 8. -
Numerical investigation of DQMoM-IEM as a turbulent reaction closure
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-76.pdf1 May 2019: Section 4.3 demonstrates the application of the general solverto a reacting test case. ... theflow. This one-way coupling is acceptable for the constant density test case. -
Modelling Particle Mass and Particle Number Emissions during the ...
https://como.ceb.cam.ac.uk/media/presentations/4G12.pdf9 Aug 2019: Additional filtration sub-models used to describe change in filtration efficiency. Continue to test other hypotheses on particle breakthrough and further develop model. -
Simulation of Single and Multi-Component Flows Rob Harris (Sidney…
https://como.ceb.cam.ac.uk/media/presentations/hs309-Glasgow.ppt1 May 2019: A probability density function based stochastic reactor model (SRM) is applied to simulate a direct injection (DI) homogeneous charge compression ignition (HCCI) test engine. ... iii) Down-sampling parameter tests. Mean mass fraction CO for engine cycles -
CoMoGROUP Polar curved polycyclic aromatic hydrocarbons in soot…
https://como.ceb.cam.ac.uk/media/presentations/1C11.pdf9 Aug 2019: to test this, however, more exp. are also needed. Jacob Martin. -
PowerPoint Presentation
https://como.ceb.cam.ac.uk/media/presentations/4P065.pdf9 Aug 2019: comparison to UV-Visible Spectroscopy measurements. Identify best functional using a small test set. -
Slide 1
https://como.ceb.cam.ac.uk/media/presentations/2P060.pdf9 Aug 2019: Diamond 83 100 [5] 1.2. UNIAXIAL TENSILE TEST. yield stress (σf) and hardness (H):. -
Preprint Cambridge Centre for Computational Chemical Engineering ISSN …
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-190.pdf1 May 2019: 33]. The second test was to calculate the normal boiling temperature by solving the equation. -
First-principles thermochemistry for gas phase species in an…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-97.pdf1 May 2019: 2). In order to test the validity of this method we used it to calculate some enthalpies forknown species. -
Cambridge Centre forComputational Chemical Engineering University of…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-23.pdf1 May 2019: Section 3introduces a simple simulation to test the algorithm and in section 4 we simulate aflame producing silica particles. ... Test simulations were performed to show how the model deals with particle incep-tion, coagulation, surface growth and -
Identifying optimal operating points in terms of engineering…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-118.pdf1 May 2019: Valves 4. Injection System Common rail. 2.1 Operating Point. To simplify the overall test matrix, tests were carried out at fixed engine speed of 1500rpmand for a fixed injected fuel ... EGR mass [fr.] 0 to 0.5. 5. Figure 1: Experimental test points. -
Slide 1
https://como.ceb.cam.ac.uk/media/presentations/mk306-invitedpresentation-delft-2012.pdf1 May 2019: Knock in Spark Ignition Engines. Knocking combustion in research engine Research Octane Number test simulation. ... occurred at 12.5 CAD aTDC. research octane tests. 21. Diesel and PCCI combustion. -
c4e-frame.dvi
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-12.pdf1 May 2019: n-decane 1218 4825 [3] www.ensic.u-nancy.fr/DCPR/Anglais/GCR/softwares.htm. Table 2: Initial conditions for the test system. ... We found that for the test system considered, both packages performbest for RTOL = 0. -
A predictor-corrector algorithm for the coupling of stiff ODEs to a…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-58.pdf1 May 2019: 3.1 Error Measures. 10. 3.2 Test System. 11. 3.3 Algorithm Parameters. ... Figure 4 shows the transient behaviour of particle number density in the test system fordifferent time-step sizes. -
Coupling a stochastic soot population balance to gas-phase chemistry…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-39.pdf1 May 2019: 14. Figure 2 shows the time evolution of the test variables for the batch reactor. ... 4.2 PSR. The PSR test case is an extension of the batch case. -
An assessment of the viability of alternatives to biodiesel transport …
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-216.pdf1 May 2019: Vermuë, and R. H. Wijffels. Microalgal pro-duction - A close look at the economics. ... M. L. Laurens. Microalgae as biodiesel & biomassfeedstocks: Review & analysis of the biochemistry, energetics & economics. -
Modelling gas-phase synthesis of single-walled carbon nanotubes on…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-44.pdf1 May 2019: 6. 2.2 Particle Coagulation and Sintering. 9. 2.3 Parameters. 11. 3 Test Case 12. ... 22] state that they exhibit similar thermodynamic behaviour,and was varied to test its influence. -
Simulationm and Life Cycle Assessment of Algae Gasification Process…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-144.pdf1 May 2019: 2 World Economic Forum91-93 route de la CapiteGeneva, CH-1223 ColognySwitzerland. Preprint No. ... Kraft. “Thefuture viability of algae-derived biodiesel under economic and technical uncertain-ties”. -
PowerPoint Presentation
https://como.ceb.cam.ac.uk/media/presentations/ama44-presentation-detroit-2013.pdf1 May 2019: IAT = 75oC1500 rpmPRF60. 0.05. 0.35. 7.0. Operating range. Engine Test Cell. ... Operating Window. Engine Test Cell. Effects on Emissions - I. Effects on Emissions - II. -
A c4e preprint by the Computational Modelling Group
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-150.pdf1 May 2019: The growth and development of Jurong Island currently does and will continue toplay a very important role to the overall economic growth of Singapore. ... The proposed EIP expertsystemâĂŹs aim is to answer important questions from stakeholders -
Cambridge Centre forComputational Chemical Engineering University of…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-15.pdf1 May 2019: group is h(x, yni )dt (c.f. Eq. (8)), the probability that the test droplet collides with. ... approx-imately equal to the number of collisions that a test droplet undergoes beforeit leaves the cell. -
Simulating combustion of practical fuels and blends for modern engine …
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-94.pdf1 May 2019: a series of RON/MONexperimental tests were conducted by Shell for various tri-component blends. ... 10] Standard test method for motor octane number of spart-ignition engine fuel. -
Weighted particle methods for the Smoluchowski coagulation equation
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-47.pdf1 May 2019: For these tests the LPDA as described in 1.2 wasused throughout, including for the DSA calculation used to provide a reference solution.The first flame based test compared the accuracy ... As a test case for the distribution the flame JW1.69 [15] wasused. -
A c4e preprint by the Computational Modelling Group
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-110.pdf1 May 2019: 6. 2.3 Other Approaches. 6. 2.4 Adapted Smoke Point Test. 7. ... investigate any further inherent weaknesses in the test. 2 Characterization of Sooting Propensity. -
Evaluating Smart Sampling for Construction of Multidimensional…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-185.pdf1 May 2019: This evaluation is per-formed using a diverse test bed of analytical functions. ... Additionally, we use two test cases from the article by Xu et al. -
Cambridge Centre forComputational Chemical Engineering University of…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-22.pdf1 May 2019: 11. 5 Numerical Investigation of the Mass-Flow Algorithm 14. 5.1 The Test Simulation. ... 14. 5.2 Results of the Test Simulation. 15. 6 Simulated Systems 18. -
GKC-frame-001.dvi
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-9.pdf1 May 2019: 5 Test Case. Consider the case where coalescence and breakage occur according to:. ... 25. A Solution of Test Case. To solve the equation:. c(x, t). -
Stochastic solution of population balance equations for reactor…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-127.pdf1 May 2019: For the test particle mechanism, constant inception, surface growth rates will be assumed(with NSG = 1). ... Using the test case described in the previous section, the stochastic solutions using theDSA and the SWA were generated. -
The Random Cloud Model
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-173.pdf1 May 2019: t = t τ;end. 12. 5 Test case: particle in a potential well. ... A particle number system. Process dynamics. Numerical algorithm. Test case: particle in a potential well. -
Degree of crosslinking in combustion carbons Preprint Cambridge…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-205.pdf1 May 2019: Reactive. MD. Uniaxial. tensile test. 1. Contents. 1 Introduction 3. 2 Methodology 6. ... M. Hess, and L. L. Ban. A test object and criteria for high res-olution electron microscopy. -
A c4e preprint by the Computational Modelling Group
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-186.pdf1 May 2019: 10. 3.2.3 Test Particle Coagulation & Outflow. 10. 3.3 The Algorithm. ... Figure 3 illustrates the convergence of the test particle mass density to the field. -
Dual-Fuel Effects on HCCI Operating Range: Experiments with Primary…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-125.pdf1 May 2019: Exhaust back pressure valve. THC. NOx. CO. CO2. O2. Figure 1: The single-cylinder research engine test setup used in the current study. ... 2 Experimental Setup. Figure 1 shows a schematic of the engine test facility used in this work. -
Cambridge Centre forComputational Chemical Engineering University of…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-34.pdf1 May 2019: During these tests wefound in addition that the influence of 5% trapped residual gas (internal exhaust gasrecirculation) on CA50 and emissions was small (i.e. ... Infurther tests we established that ignition timing and combustion duration are bothmuch -
Numerical study of a stochastic particle algorithm solving a…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-93.pdf1 May 2019: 30. B Values of model parameters in test case. Table 1: Values of model parameters. ... Efficiency issues. Conclusions. The kinetic equation. Values of model parameters in test case. -
The Linear Process Deferment Algorithm: A new technique for solving…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-26.pdf1 May 2019: 4.3.2 Particle Distribution Accuracy. 18. 4.4 Deterministic Surface Growth. 20. 4.4.1 Tests. ... We refer to this method as AS (analytic splitting). 4.4.1 Tests. -
GK5-frame-001.dvi
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-5.pdf1 May 2019: In our test case silica powder is generated from theprecursor SiH4 by high temperature reactions. ... the test case describedabove. -
A c4e preprint by the Computational Modelling Group
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-154.pdf1 May 2019: 4.1 Test system. 15. 4.2 Performances of the stochastic methods at different fragmentation rates. ... 47). and the rate parameters used for this test system are summarised in Table 2. -
Deep Kernel Learning Approach to Engine Emissions Modelling
https://como.ceb.cam.ac.uk/media/preprints/c4e-preprint-243.pdf12 Nov 2019: Output SurrogatePercentage w/in 20% of exper. RSMETraining Blind test Total Training Blind test. ... Experiment [ppm]. Mod. el [p. pm]. IdentityTraining data (90%)Blind-test data (10%)20% error. -
Cambridge Centre forComputational Chemical Engineering University of…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-21.pdf1 May 2019: We test this method onspatially homogeneous relaxation of a gas of hard spheres, but this method has amore general area of applicability and can be used for any other population balanceproblem. -
Web Based Experiment CET1
https://como.ceb.cam.ac.uk/media/presentations/as631-presentation-saopaulo-2005.pdf1 May 2019: Extended activity. • Test of knowledge. • Challenge. • Report. -
Microsoft PowerPoint - AldawoodEtAl_CombustSymp2008_WIPP_HCCICtrlH2
https://como.ceb.cam.ac.uk/media/presentations/sm453-poster-montreal-2008.pdf1 May 2019: Use of a fixed set of gains causes a relative instability in the response at the two ends of the test. -
A c4e preprint by the Computational Modelling Group
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-124.pdf1 May 2019: 3. 2 Experimental methodology. The ASTM D1322 smoke point test [2] uses a standardized apparatus involving a wick-fed laminar diffusion flame. ... The smoke point test burner was used as simple, known andstandardized way to test different liquid fuels in -
Application of stochastic weighted algorithms to a multidimensional…
https://como.ceb.cam.ac.uk/media/preprints/c4e-Preprint-120.pdf1 May 2019: A test problem using a silica particle model and the transitionregime coagulation kernel will extend the numerical studies conducted in [31]. ... 4 Numerical studies. A simple test-case was defined in [31] at which the numerical convergence studies
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