A 3D NUMERICAL INVESTIGATION ON THE CHARGED PARTICLE BEHAVIOR IN WIRE-TO-PLATE DBD ELECTROSTATIC PRECIPITATORS

Orçun Ekin

doi:10.17780/ksujes.1726825

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TELDEN-PLAKAYA DBD ELEKTROSTATİK ÇÖKTÜRÜCÜLERDE YÜKLÜ PARTİKÜL DAVRANIŞININ 3-BOYUTLU NÜMERİK MODELLEME İLE ARAŞTIRILMASI

Öz

Tel-levha tipi bir elektrostatik çökeltici üzerindeki dielektrik bariyer deşarj etkilerini temsil eden sayısal bir model oluşturulmuştur. İlk kez, zamana bağlı, çoklu parçacık yörünge modeli uygulanmış ve alan ve difüzyon yükleme mekanizmalarının etkileri altında farklı mikron ve alt mikron çaplarına sahip küresel parçacıkların çökelme karakteristikleri incelenmiştir. Sistemin dielektrik bariyer deşarj akımları ve uzay yükü karakteristiklerinin modellenmesinde 100 metre ve 1 metre frekansları dikkate alınmış, elektriksel parametreler ve çökelme verimliliğinde ortaya çıkan değerlerde önemli farklılıklar bulunmuştur. Çapları 0.3µm ile 5µm arasında değişen parçacıklar, 0.5m/s veya 1m/s serbest akış hızlarına sahip elektrostatik çökelme kanalına enjekte edilmiştir. Yapılan elektriksel simülasyonlar, 100Hz ve 1Hz senaryoları için 10.7mC/m3 ve 12,9mC/m3 tepe uzay yükü yoğunluğu değerleri göstermekte olup, bu da sırasıyla birim hacim başına 8,193N/m3 ve 87,654N/m3 elektrohidrodinamik kuvvet değerleri vermektedir. Elektriksel alan ve elektrohidrodinamik özelliklerin bu sonuçlarına göre, mikron altı (0,3µm çapındaki) parçacıklar, 100Hz ve 1kHz durumlar için her bir elektrik çevriminin sonunda 400 ve 261 toplam yük sayısı sergilemektedir. Parçacık çökelme sonuçları, model yapılandırmasını nitel olarak doğrularken, elektriksel özellikler konuyla ilgili mevcut literatürle karşılaştırılarak doğrulanmıştır.

Anahtar Kelimeler

A 3D NUMERICAL INVESTIGATION ON THE CHARGED PARTICLE BEHAVIOR IN WIRE-TO-PLATE DBD ELECTROSTATIC PRECIPITATORS

Abstract

A numerical model was developed to represent the effects of dielectric barrier discharge on a wire-to-plate electrostatic precipitator. For the first time, a time-dependent, multiple-particle trajectory model was implemented, and the precipitation characteristics of particles with micron- and submicron-diameters under field and diffusion charging mechanisms were investigated. 100 Hz and 1kHz frequencies were considered in modeling dielectric barrier discharge currents and the system's space charge characteristics, with significant differences in electrical parameters and precipitation efficiency. Particles with diameters varying from 0.3µm to 5µm, injected into the precipitation channel that has free flow velocities of 0.5m/s or 1m/s. The conducted electrical simulations show peak space-charge densities of 10.7 mC/m3 and 12.9 mC/m3 for 100Hz and 1kHz scenarios, which, in turn, yield electrohydrodynamic force values of 8,193N/m3 and 87,654 N/m3, respectively. Based on these results for the electrical field and electrohydrodynamic properties, submicron (0.3µm diameter) particles display accumulated charge numbers of 400 and 261 at the end of each electrical cycle for the 100Hz and 1kHz meter cases. The particle precipitation results qualitatively confirm the model configuration, whereas the electrical characteristics are validated against the available literature.

Keywords

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

Makine Mühendisliğinde Sayısal Yöntemler

Bölüm

Araştırma Makalesi

Yazarlar

Orçun Ekin ^*
0000-0002-6779-885X
Türkiye

Yayımlanma Tarihi

3 Aralık 2025

Gönderilme Tarihi

25 Haziran 2025

Kabul Tarihi

10 Ekim 2025

Yayımlandığı Sayı

Yıl 2025 Cilt: 28 Sayı: 4

DOI

https://doi.org/10.17780/ksujes.1726825

IZ

https://izlik.org/JA78JL82RS

Kaynak Göster

RIS / Bibtex

APA

Ekin, O. (2025). A 3D NUMERICAL INVESTIGATION ON THE CHARGED PARTICLE BEHAVIOR IN WIRE-TO-PLATE DBD ELECTROSTATIC PRECIPITATORS. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, 28(4), 1843-1860. https://doi.org/10.17780/ksujes.1726825