heat value formula 中文意思是什麼
heat value formula
解釋
熱值公式-
In the paper, theoretic transfer heat model of hhchp is established. after comparing experimental value and estimative value, we deduce that theoretic transfer heat model accords with actual condition, so we can estimate the heat performance of hhchp by theoretic calculation formula
同時建立了蜂窩熱管平板式太陽能熱水器的理論傳熱模型，通過對實驗值和理論值的比較，得出進行簡化后的理論模型在一般情況下與實際的情況是符合的，因此可以用理論計算公式對蜂窩熱管平板式太陽能熱水器的熱性能進行估算。 -
The essay author consult the lots of national and international related information, and proceed the biomass pyrolysis experiment, predict the biomass heat value and establish the module, and establish the experiment formula through c, h of the independent variableesign, provide the evident and the convenience for calculating the rate of the energy converting and using of the biomass equipment
本文作者在查閱國內外大量相關資料的基礎上，進行了生物質熱解的實驗，並做了生物質發熱量預測及建模研究，建立了以h和c為自變量的生物質能量預測經驗公式，為生物質氣化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便。 -
This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。 -
And, the coefficient of heat conduction, temperature rise and fall in shelter chamber experiment are made, the result shows the stable plate heat conduction method is applicable, the integration of experience formula for calculation of heat and cool load and experiment analysis is suitable for design and validation of temperature in shelter chamber, the integration can nicely reflect the condition of microclimate temperature in shelter chamber, and have importance reference value for research of microclimate condition in shelter chamber. at last, in article the comparison is made between the felt techniques and foam techniques of the laminate plates, and improved manufacture techniques of composite laminate is brought forward. the experiment indicates the improved techniques can ensure the structure strength and heat preservation and insulation performance
基於軍用醫療方艙特殊的微環境使用要求，運用穩定平壁傳熱分析方法建立了軍用醫療方艙鋁塑復合夾層大板傳熱系數理論計算模型，對軍用醫療方艙鋁-聚氨酯-鋁復合夾層大板材料隔熱保溫性能進行了理論分析；運用經驗分析方法進行了冷熱負荷計算分析；並對兩計算採用傳熱系數和艙室升溫、降溫試驗進行了對比試驗研究，結果表明穩定平壁傳熱分析方法計算傳熱系數方法可行，為方艙鋁塑夾層大板的隔熱保溫結構和性能設計提供重要依據，並準確表徵艙室內部微環境溫度條件，對軍用醫療方艙艙室微環境設計提供參考。
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