本文選題：水力輸送　切入點：囊體　出處：《太原理工大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：現(xiàn)代社會有四大傳統(tǒng)以運輸為主體的交通運輸方式:公路運輸方式、鐵路運輸方式、水路運輸方式和以航空運輸方式。雖然是主流的運輸方式,但是隨著現(xiàn)代社會的飛速發(fā)展,工業(yè)產(chǎn)業(yè)的結(jié)構(gòu)不斷升級,社會發(fā)展的結(jié)果導(dǎo)致現(xiàn)存的運輸方式已經(jīng)與社會發(fā)展的速度不匹配,產(chǎn)能無法快速和有效的輸出。目前有一種新型的運輸方式,補充和完善了現(xiàn)存的交通運輸方式,它不僅符合節(jié)能環(huán)保的標(biāo)準(zhǔn),而且自身還具有許多其他運輸方式不具有的優(yōu)點,這種運輸方式為囊體管道水力輸送,這種新型運輸技術(shù)具有較為廣闊的前景。本文是基于國家自然基金項目(51109155和51179116),采取理論分析與數(shù)學(xué)方法相結(jié)合的研究方法,主要是對于影響囊體管道總成本的因素進(jìn)行研究分析,得出影響囊體管道總成本各因素的具體表達(dá)式,通過結(jié)合數(shù)學(xué)方法得到單級囊體管道的最佳管道直徑和囊體尺寸,以及多級囊體管道中兩泵站之間管道距離長度和管道直徑的表達(dá)式,進(jìn)而得出最佳囊體管道的直徑和兩泵站之間管道的距離長度的具體數(shù)值。1.本文中單級囊體管道與多級囊體管道的區(qū)別在于:單級囊體管道適合輸送距離較近,只需要一臺泵站提供動力就能滿足需求。而多級囊體管道適合輸送距離較遠(yuǎn),一臺泵有時無法滿足需求,需要多個連續(xù)的泵站提供動力。2.單級囊體管道的設(shè)計程序重點是:一個在最佳中性浮力狀態(tài)下的囊體,通過力的平衡建立相關(guān)的表達(dá)式。3.單級囊體管道中成本的組成是:資本成本(管道、囊體、泵站、泵房、囊體入口和出口機制)和經(jīng)常性費用(即操作人員工資和能源成本)構(gòu)成。其中,水泵房成本,囊體的入口和出口的成本,和操作人員的工資對貨物的運輸率是沒有影響的,它們可以被視為固定成本。因為固定成本是不可改變的,它們是不會進(jìn)入最小化的過程,因此,不包括在成本方程式中。4.單級囊體管道中,提出了特征長度這個概念,在囊體管道輸送中,囊體一個接一個的連續(xù)運輸,把一個囊體的長度加上這個囊體與緊挨著的另一個囊體之間的距離的和,稱之為特征長度。特征長度的提出是為了更好的研究管道內(nèi)一個囊體的運動狀態(tài),這種狀態(tài)在管道內(nèi)是無限循環(huán)的狀態(tài)。5.單級囊體管道輸送的設(shè)計中,假設(shè)有恒定的摩擦系數(shù),則可以設(shè)計成一個單一自由度的幾何規(guī)劃問題。隨著給定輸入?yún)?shù),就可以得出載體流體的排出量、管道直徑、囊體的尺寸、囊體的速度、泵的揚程和成本的表達(dá)式。6.多級囊體管道設(shè)計程序重點是:對管道的直徑和一個在給定的功率情況下連續(xù)兩個泵站之間的間距的確定,這樣的總成本是最小的。7.多級囊體管道中,總成本的是組成是:泵的能量成本、管道的成本和囊體的成本的總和。重點在于建立各個成本的表達(dá)式,進(jìn)而得到總成本的表達(dá)式,基于最小成本原則下,結(jié)合數(shù)學(xué)方法得出最佳囊體管道的直徑。本文得出的關(guān)于水利運輸新型技術(shù)研究成果,可作為具有參考價值的成果。即可促進(jìn)囊體水力輸送技術(shù)的發(fā)展,又可使該技術(shù)具有更為實際的應(yīng)用。更為重要的是為該水力輸送技術(shù)的后續(xù)研究提供了源源不斷的理論數(shù)據(jù)。
[Abstract]:In modern society, there are four traditional to transport as the main mode of transport: road transport, rail transport, water transport and air transport to. Although the mainstream mode of transportation, but with the rapid development of modern society, the industrial structure constantly upgrading, social development as a result of the existing mode of transport with the speed of social development does not match the output capacity to quickly and effectively. There is a new mode of transportation, supplement and perfect the existing mode of transportation, it not only conforms to the standard of energy saving and environmental protection, but also has many advantages over other modes of transport do not have, this mode of transport for hydraulic capsule pipeline transportation, the new transport technology has a broad prospect. This paper is based on the National Natural Science Foundation of China (51109155 and 51179116), take the theoretical analysis and Mathematics The research method of combining, is mainly for the factors affect the total cost of the capsule pipeline are analyzed, then the specific expression of each factor affect the total cost of the capsule pipeline, the optimal pipeline single vesicle diameter pipe and a bag body size by combining mathematical methods, the expression between the two pipeline pumping stations and multistage capsule pipeline in the distance and the diameter of the pipe, and then draw the difference between single level capsule pipeline between the best bag pipe diameter and two pumping station distance specific values of.1. this paper pipe and multistage capsule pipeline is single capsule pipeline suitable for conveying distance, only need a pump to provide power to meet needs. And multilevel capsule pipeline suitable for conveying distance, a pump sometimes can not meet the demand, design procedures require multiple continuous pumping power.2. single stage pipeline heavy bag The point is: one in the best state of the neutral buoyancy bag, through the balance of power established consisting of costs related to expression of.3. single stage capsule in the pipeline is the cost of capital (pipeline pumping station, pumping station, capsule, the capsule entrance and exit mechanism) and recurring costs (i.e. wages and operating personnel the cost of energy). Among them, the pump room cost, the bag body of the entrance and exit costs, and operating personnel wages on the cargo transport rate is not affected, they can be regarded as fixed costs. Because the fixed cost is not changed, they are not into the minimization process, therefore, does not include in the cost equation of.4. single stage capsule pipeline, put forward the concept of the characteristic length, the bag body pipeline, bag body with one continuous transport to another bag a bag body together with the length of the bag body and close to the distance And, called the characteristic length. The characteristic length is proposed to the motion state of a capsule pipeline research better within the body, the state is in the pipeline design of conveying state.5. single stage capsule pipeline infinite loop, assuming a constant friction coefficient, it can be designed into a geometric programming problem a single degree of freedom. As the input parameters, output, you can get a carrier fluid pipe diameter, the capsule body size, capsule speed, pump head and the cost of the design program expression.6. multistage capsule pipeline point is: to determine the diameter of the pipeline and a pumping station in two consecutive the power under the given distance, the total cost of this is.7. capsule in multistage unmum, the total cost is composed of: pump energy cost, total cost and the cost of the capsule pipeline. The key is to establish the cost Expression, then get the expression of the total cost, based on the principle of minimum cost, combined with the mathematical method to draw the best bag pipe diameter. The new research results about water conservancy transportation technology, can be used as the reference value of the results. The capsule can promote the development of the hydraulic transport delivery technology, and the technology has more application for real. What is more important is to provide theoretical data for further research Everfount conveying technology of the hydraulic.

【學(xué)位授予單位】：太原理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TV134

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