선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
제안 방법
- A computational model was also developed to investigate the distribution of electric potential and flow velocity inside the ESP to give a better understanding of the ESP operation. Numerical simulation was performed to obtain the solutions to the model.
- A high voltage power supply was used to generate high electric field strength between collecting plates and discharge electrodes. In this study, a high voltage, pulsed, positive power supply was used to generate varying impulse peak voltages and impulse frequencies to the corona discharge electrodes. The pulsed power supply had many advantages when compared with the conventional DC high voltage, including: higher peak voltage without excessive breakdown, and therefore better particle charging; control of the corona current independently of precipitator voltage by varying pulse frequency and pulse amplitude, which gives a controllable particle charging rate; a higher overall power input and improved precipitator efficiency can be achieved, and the particle migration velocity is higher because of the stronger average electric field that can be sustained under pulsed conditions [15].
- A small and simple ESP for the removal of particulate matter from the exhaust gases of a small incinerator was developed and investigated. Its electrical characteristics and collection efficiency were analytically and experimentally evaluated. For particles larger than 400 nm, 100 % capture efficiency was predicted.
- A computational model was also developed to investigate the distribution of electric potential and flow velocity inside the ESP to give a better understanding of the ESP operation. Numerical simulation was performed to obtain the solutions to the model. The commercial computational fluid dynamic software package, CFDRCTM was used.
- The present study is among the first to tackle this shortcoming, focusing on design, construction, and installation of a simple, compact and cost effective ESP with DC pulsed power supply capable of removing particulate matter from the stack gases of a small municipal incinerator. The ESP was modeled theoretically and tested experimentally.
대상 데이터
- Ten collection plates are made of steel, 1 m high × 1 m wide × 3 mm thick.
- The overall dimension was 1 m×1 m×1 m. The discharge electrodes are made of stainless steel rods, 2 mm in diameter and 1.1 m in length. Ten collection plates are made of steel, 1 m high × 1 m wide × 3 mm thick.
이론/모형
- Measurements of the particle concentrations upstream and downstream of the ESP were performed by the gravimetric method. For particulate sampling, an isokinetic tube was used to measure the concentration of the particulates.
- 8. The collection efficiency of the ESP was calculated by the Deutsch-Anderson equation for wire-to-plate type collectors (Eq. 6). The data presented covers particulate matter in the size range between 0.
- The commercial computational fluid dynamic software package, CFDRCTM was used. This software is based on the finite volume method. Fig.
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