Design considerations for a microchannel reactor with enhanced heat exchange
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Design considerations for a microchannel reactor with enhanced heat exchange
Junjie Chen
Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China
Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com
The range of compounds that are capable of being synthesized is essentially limitless. In practice, the synthesis of a preselected compound is made possible by particular functional groups undergoing transformations that, while they are dependent on the conditions applied to the compound, are largely independent of the structure of the remaining part of the molecule. Thus, the combination of knowledge of the structure of the compound to be synthesized and knowledge of the general types of transformation that compounds undergo enables a synthesis to be planned. The general approach, cut to its barest essentials, is to examine the structure of the desired end product, for example, Z, and to deduce the structure of some (slightly simpler) compound, for example, Y, that should be capable of transformation into Z by a reaction of known type. A possible precursor of Y is sought in similar manner, and in this way the chain of compounds is extended until a compound, A, is reached that is available for the work; the necessary transformations, beginning with A and ending with Z, are then carried out. Most individual steps in the sequence result in a change in only one bond; some result in changes in two bonds at a time, but it is unusual for more extensive changes to occur. Three factors must be borne in mind when evaluating a particular synthetic plan. The first is cost, of far greater importance in industrial, large-scale synthesis than in laboratory work in which a particular synthesis may be carried out only once, as in the total synthesis of a naturally occurring compound, and which in any case is likely to be on a relatively small scale. The environmental impact of chemical syntheses has become an important consideration. Syntheses or processes that have a benign environmental impact, whether by use of safe and commonly available reagents or by minimization of environmentally harmful waste products, have become an essential feature of so-called green chemistry.
Streamwise distance (millimeters), Wall centerline temperature (degrees kelvin)
0 500.833
0.00025 500.875
0.0005 500.984
0.00075 501.151
0.001 501.398
0.00125 501.596
0.0015 501.59
0.00175 501.381
0.002 501.019
0.00225 500.671
0.0025 500.451
0.00275 500.322
0.003 500.264
0.00325 500.192
0.0035 500.016
0.00375 499.729
0.004 499.362
0.00425 499.035
0.0045 498.826
0.00475 498.699
0.005 498.636
0.00525 498.571
0.0055 498.439
0.00575 498.235
0.006 497.976
0.00625 497.75
0.0065 497.616
0.00675 497.551
0.007 497.543
0.00725 497.54
0.0075 497.484
0.00775 497.371
0.008 497.215
0.00825 497.081
0.0085 497.016
0.00875 497.008
0.009 497.051
0.00925 497.101
0.0095 497.108
0.00975 497.065
0.01 496.98
0.01025 496.909
0.0105 496.89
0.01075 496.918
0.011 496.991
0.01125 497.073
0.0115 497.114
0.01175 497.108
0.012 497.064
0.01225 497.028
0.0125 497.035
0.01275 497.082
0.013 497.172
0.01325 497.27
0.0135 497.329
0.01375 497.346
0.014 497.326
0.01425 497.309
0.0145 497.329
0.01475 497.386
0.015 497.483
0.01525 497.587
0.0155 497.656
0.01575 497.684
0.016 497.677
0.01625 497.673
0.0165 497.701
0.01675 497.763
0.017 497.862
0.01725 497.969
0.0175 498.043
0.01775 498.079
0.018 498.082
0.01825 498.086
0.0185 498.121
0.01875 498.187
0.019 498.289
0.01925 498.399
0.0195 498.479
0.01975 498.523
0.02 498.536
0.02025 498.55
0.0205 498.591
0.02075 498.662
0.021 498.767
0.02125 498.88
0.0215 498.965
0.02175 499.017
0.022 499.04
0.02225 499.065
0.0225 499.113
0.02275 499.188
0.023 499.296
0.02325 499.412
0.0235 499.502
0.02375 499.561
0.024 499.595
0.02425 499.628
0.0245 499.683
0.02475 499.76
0.025 499.865
0.02525 499.978
0.0255 500.068
0.02575 500.13
0.026 500.169
0.02625 500.207
0.0265 500.261
0.02675 500.333
0.027 500.427
0.02725 500.526
0.0275 500.604
0.02775 500.658
0.028 500.692
0.02825 500.722
0.0285 500.765
0.02875 500.818
0.029 500.885
0.02925 500.95
0.0295 500.998
0.02975 501.026
0.03 501.035
Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com, Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China
创建时间：
2024-07-15
