RU99123252A - METHOD FOR DETERMINING THE FILTER RESOURCE - Google Patents
METHOD FOR DETERMINING THE FILTER RESOURCEInfo
- Publication number
- RU99123252A RU99123252A RU99123252/12A RU99123252A RU99123252A RU 99123252 A RU99123252 A RU 99123252A RU 99123252/12 A RU99123252/12 A RU 99123252/12A RU 99123252 A RU99123252 A RU 99123252A RU 99123252 A RU99123252 A RU 99123252A
- Authority
- RU
- Russia
- Prior art keywords
- filter
- resource
- bench tests
- determined
- determining
- Prior art date
Links
- 238000000034 method Methods 0.000 claims 2
- 239000000356 contaminant Substances 0.000 claims 1
- 239000011860 particles by size Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
Claims (1)
где T - ресурс фильтра, час;
Q - номинальный расход фильтруемой среды, м3/час;
φ - объемная доля загрязнений в фильтруемой среде, определяемая в процессе стендовых испытаний, безразмерная величина;
S - площадь поверхности фильтровальной перегородки фильтра, м2;
λ - толщина фильтровальной перегородки фильтра, м;
ρч - плотность вероятности распределения частиц загрязнений по размерам, определяемая в процессе стендовых испытаний, м-1;
ρп - плотность вероятности распределения пор фильтровальной перегородки фильтра по размерам, м-1;
Фпред.доп - предельно допустимый коэффициент отсева фильтра, безразмерная величина.A method for determining a filter resource when considering as a limit state a decrease in the dropout coefficient below the maximum allowable, including bench tests, characterized in that the bench tests are not brought to the limit state, and the filter resource is determined from the ratio
where T is the filter resource, hour;
Q is the nominal flow rate of the filtered medium, m 3 / h;
φ is the volume fraction of contaminants in the filtered medium, determined in the process of bench tests, dimensionless quantity;
S is the surface area of the filter filter septum, m 2 ;
λ is the thickness of the filter filter, m;
ρ h - the probability density of the distribution of pollution particles by size, determined in the process of bench tests, m -1 ;
ρ p - probability density of the distribution of pores of the filter filter septum in size, m -1 ;
F pred.dop - the maximum allowable filter dropout coefficient, dimensionless quantity.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU99123252A true RU99123252A (en) | 2001-10-10 |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2520488C1 (en) * | 2013-02-25 | 2014-06-27 | Федеральное автономное учреждение "25 Государственный научно-исследовательский институт химмотологии Министерства обороны Российской Федерации" | Method to monitor lifetime of filtering element |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2520488C1 (en) * | 2013-02-25 | 2014-06-27 | Федеральное автономное учреждение "25 Государственный научно-исследовательский институт химмотологии Министерства обороны Российской Федерации" | Method to monitor lifetime of filtering element |
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