作者: legacy 時(shí)間: 2025-3-21 21:30
Another Attempt to Answer Our Questionng phases, including the constant surface water activity period, the period with decreasing surface water activity, the penetration period where the surface water concentration is in equilibrium with the surrounding gas phase and the central water concentration has still hardly changed and finally t作者: slipped-disk 時(shí)間: 2025-3-22 03:13
Another Attempt to Answer Our Questionendent and diluted character of solar radiation. This involves problems requiring different means for their solution /heat Storer, auxiliary energy source, large collector surfaces, control system/ and so the investment cost are considerable..For the economical utilization of solar energy for drying作者: dilute 時(shí)間: 2025-3-22 07:21
Another Attempt to Answer Our Question dominant. Foaming and incorporation of an emulsified oil phase or surfactants all have substantial effects on volatiles loss. These effects can be interpreted through transport analyses..Particle inflation during drying requires entrainment or nucleation of an air bubble as a first step, and is the作者: 專心 時(shí)間: 2025-3-22 11:35
Junxia Guo,Qiyun Cao,Rilian Zhao,Zheng Lisolution of a system of three partial derivative, equations which are non-linear due to the variation of the phenomenological coefficients with moisture content..Such a model is resolved in a one-dimensional case and allows us to check the validity of the theoretical assumptions. The computed values作者: Confidential 時(shí)間: 2025-3-22 13:48 作者: Confidential 時(shí)間: 2025-3-22 17:44
Junxia Guo,Qiyun Cao,Rilian Zhao,Zheng Lig solution methods are inadequate..This paper presents a one-dimensional numerical solution technique for the transport of water, water vapor, and an inert gas through a porous medium. The fundamental equations follow from the application of volume averaging theory. These transient equations are fin作者: Suggestions 時(shí)間: 2025-3-22 22:04 作者: concert 時(shí)間: 2025-3-23 03:24
Opportunities for Fundamental Research in Dryinged or about to be available instruments to measure and “see” the water molecule for a substrate (advanced electron microscopes), and high-speed, high-capacity computers (supercomputers)..The water molecule hp a diameter of 2 ? and a bond length of 0.9 ?. Water molecules are on a substrate which has 作者: 溫和女孩 時(shí)間: 2025-3-23 08:36
Short-Cut Calculation for Non-Isothermal Drying of Shrinking and Non-Shrinking Particles and of Hollng phases, including the constant surface water activity period, the period with decreasing surface water activity, the penetration period where the surface water concentration is in equilibrium with the surrounding gas phase and the central water concentration has still hardly changed and finally t作者: Palter 時(shí)間: 2025-3-23 10:04 作者: Platelet 時(shí)間: 2025-3-23 13:51 作者: Painstaking 時(shí)間: 2025-3-23 19:58
Importance of Gas Phase Momentum Equation in Drying above the Boiling Point of Watersolution of a system of three partial derivative, equations which are non-linear due to the variation of the phenomenological coefficients with moisture content..Such a model is resolved in a one-dimensional case and allows us to check the validity of the theoretical assumptions. The computed values作者: Oligarchy 時(shí)間: 2025-3-24 00:02 作者: Foolproof 時(shí)間: 2025-3-24 06:06
Numerical Modeling of the Drying of Porous Materialsg solution methods are inadequate..This paper presents a one-dimensional numerical solution technique for the transport of water, water vapor, and an inert gas through a porous medium. The fundamental equations follow from the application of volume averaging theory. These transient equations are fin作者: archaeology 時(shí)間: 2025-3-24 10:18 作者: Chivalrous 時(shí)間: 2025-3-24 13:11
Conference proceedings 1985nterest have been released for general publication in international journals. Several will no doubt appear in Drying Technology - An International Journal. Many others will find their way into other standard engineering journals as well. Over 120 papers from 30 countries were included in the Proceed作者: Consequence 時(shí)間: 2025-3-24 18:29 作者: Concerto 時(shí)間: 2025-3-24 22:55 作者: Myofibrils 時(shí)間: 2025-3-24 23:58
Short-Cut Calculation for Non-Isothermal Drying of Shrinking and Non-Shrinking Particles and of Holl rectangular bodies, cylinders, spheres and hollow cylinders and spheres. The implication on drying rate of changes in volume of the gas bubble in hollow spheres is taken into account..Starting point are the experimentally observed isothermal drying rates versus fraction water removed of a slab of t作者: 神刊 時(shí)間: 2025-3-25 03:25
Moisture Transport Mechanisms during the Drying of Granular Porous Mediawith warm, dry air is considered. The gas-phase momentum transport problem is examined from the point of view of the ., and the analysis supports prior approximations of the momentum transport process. The liquid-phase moisture transport process is then re-examined in the light of past theoretical a作者: Bravura 時(shí)間: 2025-3-25 09:34 作者: 愛管閑事 時(shí)間: 2025-3-25 14:30
Steam Dryinges and disadvantages of such drying are discussed. Knowledge of equilibrium moisture content and drying rates is necessary when designing equipment for drying in superheated vapour, and some aspects of these are presented. A short discussion on large scale application of steam drying is included.作者: PIZZA 時(shí)間: 2025-3-25 17:48 作者: SPER 時(shí)間: 2025-3-25 23:28 作者: 蒸發(fā) 時(shí)間: 2025-3-26 03:07
Vacuum Contact Drying of Free Flowing Mechanically Agitated Particulate Materialrate curves can be predicted from physical properties alone provided that the actual contact time of the material at the hot surface is known. For mechanically agitated particulate material the actual contact time has been correlated to the time scale of the agitator by the “penetration model”. Only作者: 無彈性 時(shí)間: 2025-3-26 05:50
Theory of Constant-Rate Expression and Subsequent Relaxation mechanical dewatering uses much less energy than evaporative drying, and is being investigated at the CSIRO Division of Energy Technology initially as a means for dewatering Victorian brown coal (lignite) which is 2/3 water as mined..The expression process depends on the permeability, compressibili作者: reserve 時(shí)間: 2025-3-26 08:30 作者: 初學(xué)者 時(shí)間: 2025-3-26 13:28 作者: 警告 時(shí)間: 2025-3-26 19:17 作者: committed 時(shí)間: 2025-3-26 22:53
Numerical Modeling of the Drying of Porous Materialsd and vapor phases. The difficulties encountered in attempting to solve such problems have led most researchers to simplify their models in one of two ways: either 1) moisture migration is ssumed to proceed only in the liquid phase towards a drying surface where it then evaporates, or 2) evaporation作者: 課程 時(shí)間: 2025-3-27 04:36
Theoretical Prediction of Moisture Transfer by Convective Drying for a Flat Platehe prediction of the moisture content at any point of the flat plate and at any moment of time for periods of constant and falling rates of drying were obtained. From these equations, the total moisture flux, the amount of liquid removed from the plate, and the values of the drying rates during the 作者: Expand 時(shí)間: 2025-3-27 08:44
An Analysis of Drying Rate Mechanism in Complex Solidstion of this model is that the capillary flow mechanism controls the liquid motion inside the solid body and evaporation takes place at the surface only. The analytical solution is possible by using Laplace Transformation technique for the simplified boundary conditions. The resultant drying equatio作者: 角斗士 時(shí)間: 2025-3-27 11:39 作者: 絕緣 時(shí)間: 2025-3-27 15:06
Drying of Granular Particles in a Multistage Inclined Fluidized Bed with Mechanical Vibrationatical model for the drying rate of the particles in the multistage IFB is presented from the standpoint of simultaneous heat and mass transfer, with taking the effect of mechanical vibration added vertically into consideration..Steady-state distributions for the temperatures and concentrations of t作者: 桶去微染 時(shí)間: 2025-3-27 19:27
n Kyoto, July 9-12, 1984, under the sponsorship of the Society of Chemi- cal Engineers, Japan. This book includes full texts of the ten keynote lectures and several papers which were presented in the technical sessions in the 4th IDS. As editors we had the arduous and unpleasant task of selecting pa作者: PAEAN 時(shí)間: 2025-3-27 21:57 作者: ANT 時(shí)間: 2025-3-28 03:48 作者: 恩惠 時(shí)間: 2025-3-28 07:49 作者: 光明正大 時(shí)間: 2025-3-28 10:39
Another Attempt to Answer Our Questionnd experimental studies, and we conclude that the traditional concepts of relative permeability and capillary pressure saturation relations must be modified in order to obtain agreement between theory and experiment.作者: 注意到 時(shí)間: 2025-3-28 15:11
Xavier Chamberland-Thibeault,Sylvain Hallédashpot in series. Results from the theory are shown to explain the main features of the observed behaviour of brown coal and other materials..The paper provides a basis for determining the properties of materials from which liquid needs to be expressed, and facilitating the design and operation of suitable presses.作者: 固定某物 時(shí)間: 2025-3-28 20:21
Xavier Chamberland-Thibeault,Sylvain Halléis concluded that experimental results are in good aggreement with the theoretical values of coal. But in the case of sunflower seed, it is observed that the theory and experimental results do not aggree very well which is due to the complex structure of sunflower seeds.作者: 金絲雀 時(shí)間: 2025-3-29 01:02 作者: cauda-equina 時(shí)間: 2025-3-29 06:54 作者: 熟練 時(shí)間: 2025-3-29 10:58 作者: 協(xié)奏曲 時(shí)間: 2025-3-29 15:12 作者: Coeval 時(shí)間: 2025-3-29 15:58 作者: CRAFT 時(shí)間: 2025-3-29 21:29 作者: avenge 時(shí)間: 2025-3-30 03:02 作者: 泥土謙卑 時(shí)間: 2025-3-30 04:23 作者: 下船 時(shí)間: 2025-3-30 11:16
Modelling Continuous Convection Dryers for Particulate Solids — Progress and Problemsatter is divided into feedstock characteristics and equipment characteristics. Our present ability to formulate reliable feedstock models and equipment models for fluid bed dryers, pneumatic conveying dryers, rotary dryers and spray dryers is then assessed.作者: Affable 時(shí)間: 2025-3-30 14:04
The Mathematical Modelling of Drying Process Based on Moisture Transfer Mechanism The model exposes the phenomenon of receding of the evaporation zone into the dried body, and takes into account the dried body shrinkage..The presented model as well as Krischer’s and Berger and Pei’s models have been solved numerically and the solutions have been compared with experimental results.作者: Alveolar-Bone 時(shí)間: 2025-3-30 20:24
Another Attempt to Answer Our Questionhips. Drying can be modeled utilizing fundamental phenomena, in contrast to most of the previous work in which these phenomena were used to explain empirical relationships..New instruments and techniques provide an opportunity for advancing the knowledge of fundamental research in drying. The comput作者: 法律的瑕疵 時(shí)間: 2025-3-30 23:34 作者: 法官 時(shí)間: 2025-3-31 04:32 作者: amputation 時(shí)間: 2025-3-31 06:23
Another Attempt to Answer Our Questionconsider the viewpoints of energy economy..In the course of these considerations the renewable energy sources came into the focus of interest and the possibilities in solar energy have also been rediscovered..Setting out from the incontestable advantages of solar energy there was an enthusiastic ups作者: 不利 時(shí)間: 2025-3-31 12:57
Another Attempt to Answer Our Questiones and disadvantages of such drying are discussed. Knowledge of equilibrium moisture content and drying rates is necessary when designing equipment for drying in superheated vapour, and some aspects of these are presented. A short discussion on large scale application of steam drying is included.作者: 創(chuàng)作 時(shí)間: 2025-3-31 14:27 作者: LATER 時(shí)間: 2025-3-31 18:40
Another Attempt to Answer Our Questionatter is divided into feedstock characteristics and equipment characteristics. Our present ability to formulate reliable feedstock models and equipment models for fluid bed dryers, pneumatic conveying dryers, rotary dryers and spray dryers is then assessed.作者: APO 時(shí)間: 2025-3-31 23:01
Another Attempt to Answer Our Questionrate curves can be predicted from physical properties alone provided that the actual contact time of the material at the hot surface is known. For mechanically agitated particulate material the actual contact time has been correlated to the time scale of the agitator by the “penetration model”. Only
