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(1) Voidage is a relatively simple matter to determine experimentally.

(2) Finally, the measured comprehensive voidage is 4.7%. They are divided into 4 level reservoir beds.

(3) Experimental results show that the voidage measurement error of the new method is less than 8% and the real-time performance can satisfy the field requirement.

(4) Both of voidage and particle colliding force are key parameters in gas-solid fluidized beds.

(5) It indicates that the change of voidage has great influence on the water stability of SMA mixture.

(6) The constructed model of the voidage measurement is the linear combination of the 66 measurement capacitances provided by the ECT.

(7) To the solution mining in-sit[sentence dictionary], the voidage of dissolved glauberite is a crucial factor.

(8) The simulation results show that local voidage calculated by bubble and emulsion model is observably lower in the bubble nose region, compared with that calculated by area weighted averaging.

(9) When pulsation amplitude increases, air voidage increases a bit, but bed pressure drop increases.

(10) A new design method based on voidage of coarse aggregates for grading of permeable bituminous surface course is presented in this paper.

(11) Under the same bed temperature the average voidage will increase with a rise in apparent gas speed.

(12) A pressure parameter was introduced in transforming the model for voidage distribution into the model for pressure distribution.

(13) In order to take into account the influence of the heterogeneous structure on local voidage(sentencedict.com), a local voidage model for simulations of bubbling fluidized beds was presented.

(14) Based on 12-electrode Electrical Capacitance Tomography (ECT) system and Ant System Algorithm (ASA), a new method is proposed for the voidage measurement of the oil-gas two-phase flow.

(15) Focusing on the mass population balance model, the effect of granule size distribution on the packing voidage will be discussed in detail.

(16) The major effect factors of heat accumulating has temperature, float coal thickness, air leak intensity and voidage.

(17) According to the study on conventional fluidized bed, a correlation for predicting bed voidage at minimum fluidization and minimum fluidization velocity, giving agreement with experi.

(18) Secondly, we expand the scope of detectable flow parameters by using image method in dilute phase flow regime, and achieve measurement of volume voidage.

(19) A new method of multiple regression has been developed for calibrating the optic fiber for precise measurment of bed voidage in gas solid systems.

(20) A comparison of VFB and CFB indicates that VFB has lower minimum fluidization velocity, higher bed voidage and more steady fluidization because big bubbles can not be formed in the bed.

(21) The influence of the heterogeneous structure on the local voidage in the dense region was characterized by introducing the lower bound of local voidage and the heterogeneous influence coefficient.