Switching losses occurring on the anti-parallel diode can be calculated using the following formula (33)Pswd=[Eond+Eoffd].fsw≈Eond.fsw Where Eons represents turn-on energy loss in IGBT, Eoffs represents turn-off energy loss in IGBT, Eond represents turn-on energy loss in the diode, Eof...
15.Formula Derivation and Verification of Calculating Core Additional Loss Factor计算铁心附加损耗系数的公式推导及其验证 16.Calculation of AC loss for HTS transformer on EMU电动车组高温超导变压器交流损耗计算 17.Derivation and Discussion of a General Formula on Oil Evaporation Loss油品蒸发损耗通用计算公式...
a01 All Other Contents Clause 02 Alteration and Repair Clause 03 Automatic Reinstatement of Loss Clause 04 Average Relief Clause 05 Capital Additions Clause 06 Cost of Rewriting Records Clause 07 Deterioration of Food Stock Clause 08 Extra Charges Clause 09 Escalation Clause 10 Fire Extinguishing Expe...
After making many assumptions regarding [Σ]Rth for the case in hand, I'd say the average heat loss to the still air surroundings for a [Δ]T = 40 deg F, would be about 4 [±] 0.5 Btu/(h.ft2). I have the feeling that this ballpark figure results in a loss...
The loss of oxygen leads to the formation of Fe 2+ ions on the account of Fe 3+ ions for charge compensation. These Fe 2+ ions act as donor centers =-=[24]-=-. On the other hand, the transition temperatures, T�, between the second and third regions have values that agree well...
For an n+poly-Si gate, the two-electron transfer results in an energy gain of 0.8 eV (2 × 0.4 eV), and the total energy loss is reduced from 1.2 eV (bulk value) to 0.4 eV. Despite the energy reduction due to the electron transfer, the reaction for an n+poly-Si gate is still...
Because of this similarity it is possible to represent the ratio R of the heat loss by conduction to that by evaporation by the formula R=.46Tw-Ta/Pw-PaP/760 where Ta and Pa are the original temperature and vapor pressure of the air passing over the lake, and Tw and Pw are the ...
In addition, the TG curve of com- pound 2 is similar to 1, and the weight loss of 17.7% for 2 is mainly attributed to the decomposition of imidazole and partial collapse of the skeleton (theoretical 15.64%). Proton Conductivity. Proton conductivity of two com- pounds was investigated ...
It was found that the o-to-t transition was accompanied by 0.32 wt% weight loss on heating, as shown in the thermogravimetric (TG) results (black line in Fig. 1c). The weight loss was caused by an increase in the oxygen vacancy concentration (blue squares in Fig. 1c). The ...
We derive the macroscopic Fourier's Law of heat conduction from the exact gain-loss time convolutionless quantum master equation under three assumptions fo... LA Wu,D Segal - 《Physical Review E Statistical Nonlinear & Soft Matter Physics》 被引量: 43发表: 2008年 FOURIER'S LAW OF HEAT COND...